Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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a bag has 2 red balls, 2 blue balls, and 1 green ball. you win $5 for r…
9
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ma.7.dp.2.1: i can determine all possible outcom simple experiment is f…
b. 0.05
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what is expected value of the spinner? spinner image with sections labe…
3.7
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the tipping point made by the police, they are important too. but there…
(for "EMERGENCE" - Contextual Meaning): The process of something new (a trend, behavior, or phenomenon) starting to appear or become noticeable. (Adjust based on which word you pr…
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the tipping point made by the police, they are important too. but there…
To solve this vocabulary - in - context task, we'll analyze each word using the text from "The Tipping Point". ### For the word "CLASSIC" #### Step 1: Surrounding words/phrases Fr…
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12. a disc jockey has to choose three songs for the last few minutes of…
\( 9P3=\frac{9!}{(9 - 3)!} \) (the third option)
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10. if a race has 10 competitors and you want to know the number of way…
A. The number of permutations of 10 taken 3 at a time.
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propaganda (part 4) - can be identified by looking for the following: -…
1. The first box: bias 2. The second box: literal 3. The third box (under literal): inferential 4. The fourth box: factual
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question 7 the excerpt into two parts for the word irrelevantly. st,\ s…
unrelatedly (the option corresponding to "unrelatedly" among the given choices)
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9. a spinner has equal regions labeled 0, 5, 10. what is the expected v…
5 (corresponding to the option "5")
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6. a committee of 3 students is to be chosen from 10 students. how many…
120
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question 6 ways the setting of the train impacts the plot of the story.…
"Irrelevantly" means in a manner that is not related or helpful to the current topic or situation (i.e., the girl’s comment about loving the West was said in a way that was unrela…
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5. tyler has 28 songs on his computer. he is transferring eight songs t…
\( 28C8 \)
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next gen personal finance career econ: scarcity, college, and income th…
- Attending school (classes) - Doing homework - Sleeping - Eating meals - Watching television - Doing laundry - Exercising - Hanging out with friends ### Question 2a
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1. ______ is the sum of the values of a random variable with each value…
A. Expected value
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the slightly raised his right hand, bound at the wrist by the shining b…
interrupted (the option with "interrupted" text)
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oh, the outrage over apps such as tiktok and instagram for it is on the…
B. It shows the reader that the Gen Xers consider themselves defenders against the takeover of technology.
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oh, the outrage over apps such as tiktok and instagram for it is on the…
A. The author uses irony to show that many people who are angry about technology use it when they want.
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questions 1–3 are based on the following passage. \on the twelfth of ma…
A. Spanish and French colonizers cooperated to overpower local tribes
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why is it important to learn about bad graphs? choose the correct answe…
D. So that we can critically analyze a graph to determine whether it is misleading
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fill in the blank. when drawings of objects are used to depict data, fa…
pictographs.
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questions 1–3 are based on the following passage. on the twelfth of may…
C. The establishment of control over the Mississippi Valley by the French
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fill in the blank. in a graph, if one or both axes begin at some value …
a nonzoro axis (Note: Likely a typo, intended to be "a non - zero axis")
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impact of communication on society • includes: • bridges a gap between …
- bridges a gap between $\boldsymbol{\text{cultures}}$ and communities - creates and shares meaning through $\boldsymbol{\text{words}}$, customs or dress - is the $\boldsymbol{\te…
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the graph to the right uses cylinders to represent barrels of oil consu…
The cylinder graph distorts the data. It uses 3 - D cylinders, so the visual comparison (based on area/volume) misrepresents the ratio of the two countries' oil consumption (only …
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questions 1–3 are based on the following passage. on the twelfth of may…
C. French settlers and Native Americans became rivals over natural resources
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questions 1–3 are based on the following passage. on the whole, of all …
D. Mutual dependence between French settlers and Native Americans
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the graph to the right compares teaching salaries of women and men at p…
First, the original graph does not depict the data fairly. It creates a misleading impression that the salary difference between men and women is larger than it actually is (becau…
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the graph to the right compares teaching salaries of women and men at p…
1. Impression: D. The graph creates the impression that men have salaries that are slightly higher than that of women 2. Fair Depiction: B. No, because the vertical scale does not…
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4. indicate whether the decimal form of each number terminates or repea…
### Question 4 | Number | Terminates | Repeats | |--------|------------|---------| | \(-\frac{5}{7}\) | | ✔️ | | \(\frac{11}{2}\) | ✔️ | | | \(-\frac{3}{5}\) | ✔️ | | | \(\frac{10…
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which of the following is not true about statistical graphs? choose the…
A. They utilize areas or volumes for data that are one - dimensional in nature.
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fill in the blank. we utilize statistical ____ to look for features tha…
graphs
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if we have a large voluntary response sample consisting of weights of s…
A. No, a graph cannot help to overcome the deficiency. If the sample is a bad sample, there are no graphs or other techniques that can be used to salvage the data sampling techniq…
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determine which table represents the information found in the bar graph…
A. | Color | People | |-------|--------| | blue | 1,000 | | green | 6,000 | | orange| 5,000 | | yellow| 10,000 | | red | 9,000 |
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how are the numbers of unprovoked shark attacks worldwide for the last …
D. A time - series graph would be most effective, since the data are listed in order over a period of several years.
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listed below are the numbers of unprovoked shark attacks worldwide for …
D. The spread of the data is very small, so it would be nearly impossible to see any differences when represented graphically
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question 11 of 40 at howard high school, 53% of all students participat…
D. 51% To find the conditional probability \( P(\text{music} | \text{sports}) \), we use the formula for conditional probability: \( P(A | B) = \frac{P(A \cap B)}{P(B)} \). Let \(…
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4. what are three possible meanings of the word possession? what is its…
To answer these questions, we would need the text of paragraph 6 (and potentially the surrounding text for context). Since the paragraph itself is not provided, here's how you cou…
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use quadratic regression to find the equation for the parabola going th…
\( y = \boxed{-3}x^2 + \boxed{-14}x + \boxed{12} \)
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the data in the table represents the predicted price of a gallon of mil…
\( y = ab^x \)
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which elements do you think need to go in a fire prevention plan? means…
- Means of reporting fires and other emergencies (should be included) - Evacuation procedures and emergency escape route assignments (should be included) - Procedures for employee…
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which group of words best helps the reader understand the meaning of th…
C. exaggerate so much
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the poet’s choice of soothing words was meant to evoke a sense of peace…
call forth
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stating evidence that supports a conclusion which evidence supports the…
B. Some of the tales discuss wars and other conflicts of the time, C. Many of the stories tell about the horrifying and brutal treatment of children, E. The tales often reveal the…
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which phrase best helps the reader understand the meaning of the word d…
C. had been honest
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read the paragraph, then choose the word that best completes the senten…
C. primitive
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your own research: use the internet to find five statistics about this …
To complete this task, we'll assume the job is "high school English teacher" (as per the example) and find five relevant statistics: ### Statistic 1: **STATISTIC (fact):** The ave…
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question 3 the article says: so why do we have those little bits of bon…
B. puzzle
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which statement best explains the difference between hard and soft skil…
a. Hard skills = what you know, Soft skills = how you interact
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5.6.3 test (cst): applications of probability a football coach is tryin…
Probability of winning with regular defense: \( \frac{38}{50} = 0.76 \) Probability of winning with prevent defense: \( \frac{29}{50} = 0.58 \) Conclusion: The probability of winn…
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question 3 the article says: the answer could tell us why modern humans…
B. old
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this venn diagram shows sports played by 10 students. let event a = the…
To find \( P(A \text{ or } B) \), we use the principle of inclusion - exclusion for probability: \( P(A \cup B)=P(A)+P(B)-P(A \cap B) \) 1. First, determine the number of students…
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1-2 travel expenses exam a certain rail company uses a method called de…
If the question is about fare at or below $55$, the number of passengers is $43$. (If the actual price in the full question is different, use the corresponding cumulative frequenc…
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a certain rail company uses a method called demand pricing for setting …
59
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question 3 of 25 alexa and bart are arguing about who will do the dishe…
A. Put each person's name on a separate piece of paper in a bag. Randomly draw a name. The person whose name is chosen does the dishes. C. Roll a number cube. If the number rolled…
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question 10 of 10 at a competition with 8 runners, 2 medals are awarded…
D. 56 To determine the number of ways to award 2 different medals (first and second place) to 8 runners, we use permutations (since the order matters: first place is different fro…
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question 8 of 10 there are 9 students in a class. the teacher chooses 2…
D. 36 To determine the number of ways to choose 2 students out of 9 when order does not matter, we use the combination formula \( C(n, k)=\frac{n!}{k!(n - k)!} \), where \( n = 9 …
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1. the prefix means abnormally small. 2. the prefix means nature or phy…
micro - ### 2.
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determining possible survey questions determine the possible survey que…
- What is the average number of days per week that you color with markers? - What is your favorite type of pet?
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the heights of 200 adults were recorded and divided into two categories…
A. | | 6' or over | Under 6' | Total | |----------|------------|----------|-------| | Male | 12 | 86 | 100 | | Female | 3 | 97 | 100 | | Total | 15 | 185 | 200 |
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5.4.3 quiz: two-way frequency tables a taste test asks people from texa…
A. Yes, they are independent because \( P(\text{California}) \approx 0.55 \) and \( P(\text{California|brand A}) \approx 0.55 \).
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5.4.3 quiz: two-way frequency tables a medical company tested a new dru…
B. \( P(\text{side effects|child}) = 0.42 \), \( P(\text{side effects|adult}) = 0.12 \); Conclusion: Children have a much greater chance of having side effects than adults. (Calcu…
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sorting statistics the following groups can be measures with statistics…
1. Number of children who played in a local park the months of June, July, and August 2. Number of people who bought bananas at the Springfield Market on Saturday 3. Number of peo…
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5.4.3 quiz: two-way frequency tables a survey asked 60 students if they…
First, let's analyze the given data: - Total students: 60 - Students who play an instrument: 35 - Students in band: 30 - Students not in band: 30 Now let's check each option: ### …
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question 3 of 10 a survey asks teachers and students whether they would…
D. No, they are not independent because \( P(\text{student}) = 0.80 \) and \( P(\text{student|Viking}) \approx 0.94 \).
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question 10 of 10 which situation involves a conditional probability? a…
C. The probability that you make a second free throw given that you made the first free throw
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question 13 which quotation indicates the meaning of languid in paragra…
B. "glide slowly"
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question 10 what is the meaning of \deprecating\ as it is used in parag…
D. disapproving
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stem and leaf plots notes worksheet exercise: science gets your heart b…
| Stem | Leaf | |------|------| | 4 | 8 | | 5 | 5 | | 6 | 0, 1, 2, 3, 4, 5, 6, 6, 8 | | 7 | 0, 0, 1, 1, 2, 4, 4, 5, 6, 7, 7, 8, 9 | | 8 | 1, 6 |
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part ii – constructed response 1. the table below shows the age of chic…
### Part II - Constructed Response #### 1. a. Scatter Plot To draw the scatter plot: - **X - axis (Horizontal)**: Label it "Age in Years (x)". The values of \( x \) are \( 3, 2, 7…
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1-35. read the math notes box for this lesson and review the informatio…
82
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question 3 of 10 you roll two number cubes. let event a = you roll an e…
D. Independent, because the outcome of the first roll doesn't affect the outcome of the second roll.
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question 2 of 10 a and b are mutually exclusive events. p(a) = 0.60 and…
C. 0.90
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unit 3 session 3 the arithmetic mean 2. a group of 20 students earned a…
B. 39.0 ### Question 3
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8. people were asked whether they owned a pet and if they visited the z…
A. 50 people who own a pet visited the zoo, B. 30 people who do not own a pet visited the zoo, D. 140 people were surveyed
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7. a linear regression was performed and the information about the data…
C. The data shows a weak positive correlation because the \( r \)-value is close to 0.
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6. which of these scatter plots has a good line of best fit? a. scatter…
C
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for numbers 4a – 4d, circle true or false for each statement based on t…
TRUE ### 4b
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m. fortier had played first violin in the orchestra ever since – well, …
C. intermittently
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part i – selected response 1. how would you describe the association in…
C. Negative association ### Question 2a
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2. an athletic trainer at the university of missouri hypothesizes that …
The null hypothesis (\(H_0\)) is: There is no difference in the average ounces of water consumed between football players and soccer players (i.e., the average ounces of water con…
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directions: examine the data sets given in the problems below and answe…
The mean number of hours of sleep is 6. ### Part c
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4. julie has 27 grapes to divide evenly among 3 friends. she thinks the…
Julie is correct. The factor pairs of 27 include \( (3, 9) \) (since \( 3\times9 = 27 \)). This means 3 is a factor of 27, so dividing 27 grapes evenly among 3 friends (each frien…
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question 4 (mandatory) (10 points) before you start the interview, ask …
D. you can record it ### Question 5
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im nobody! i by emily 18 emily dickinson (1830-1886) was an american ma…
B. It is better to maintain a private identity than seek fame and recognition. ### Question 2
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text-dependent questions for the following questions, choose the best a…
To answer these text - dependent questions, we need the actual poem that these questions are based on. Without the poem, we can't provide specific answers. For example, for questi…
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3. dickinson is famous for isolating herself from society. in the conte…
To Dickinson, being alone (in the context of her poem, e.g., "I'm Nobody! Who are you?") is not mere physical isolation but a deliberate, enriching state. In her work, solitude is…
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directions: brainstorm your answers to the following questions in the s…
- "Somebody": A person seeking public recognition, fame, and social approval (e.g., a public - facing figure following norms of visibility). - "Nobody": A person avoiding public a…
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directions: brainstorm your answers to the following questions in the s…
In Dickinson’s “I’m Nobody! Who are you?”, “somebody” refers to a publicly recognized, perhaps fame - seeking individual (e.g., “How public - like a Frog—/ To tell one’s name—the …
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lesson 1 practice problems 1. write a survey question for which you wou…
How many hours do you study per day? ### Sub - question 2: Write a survey question for categorical data
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multiple-choice question what does offside mean? the puck must cross th…
A. the puck must cross the blue line before any player on your team
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value: 3 what do you think tocqueville meant when he described urban ar…
b. Meaning, the poor filthy areas were populated by people who worked in factories, making others wealthy.
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now that you have read and examined the document, interpret the meaning…
b. Impressed by the success of factory wealth.
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match the items. a. new engines required stronger steel which meant the…
1. Textile - b. Improved through inventions like the mechanized loom and Spinning Jenny; it helped push the need for the steam engine. 2. Steam Engines, Iron, Steel - a. New engin…
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7) choose the best answer. which data would be a better representation …
A. data where the standard deviation is close to 0
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4) choose the best answer. which statement is true? the size of standar…
The greater the standard deviation, the greater the variation. ### Question 5
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define the term statistical significance. a measure that shows how much…
a measure of how meaningful the data is ### Question 2: Which THREE things does statistical significance tell us about data?
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as the internet became more widespread, social media platforms grew exp…
C. increased very quickly (assuming the options are labeled A, B, C, D with C being "increased very quickly")
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in which way does a speech differ from other forms of persuasive writin…
C. A speech is meant to be delivered orally, often to a live audience.
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in the novel, the protagonist gets ensnared in a web of deceit. this me…
A. becomes trapped or caught up in the deceptive situation.