Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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use the graph below to answer the following questions. graph d line gra…
The important piece of information missing from Graph D is a descriptive title (to explain the context of the data, e.g., "Math Test Scores of Two Students Over Five Tests") and/o…
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question 1 0.5 pts the tree is 30 feet tall. ○ quantitative ○ qualitati…
A. Quantitative ### Question 2
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use the graph below to answer the following questions. graph c audience…
12 to 24 ### Question 7
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1 the graph shows the proportional relationship between grams of protei…
The constant of proportionality is \( 8 \). ### Part b:
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click the arrows to choose an answer from each menu. the scatter plot s…
First "Choose...": decreases Second "Choose...": negative
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y = -20x + 700 interpret the slope.
The slope of the line represented by the equation $y = - 20x+700$ is - 20. This means that for each unit increase in the value of $x$, the value of $y$ decreases by 20 units.
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9 multiple choice 10 points the number of minutes that it has taken you…
C. interval/ratio ### Question 10
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1 the graph shows the proportional relationship between grams of protei…
The constant of proportionality is 4. ### Part b
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8) 40, 90, 36, 68, 90, 11, 88, 54 mean : ______ median : ______ mode : …
Mean: \(59.625\) Median: \(61\) Mode: \(90\) Range: \(79\)
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understanding the different types of measurement scales (i.e., levels o…
True ### Question 7 (Multiple Choice)
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based on the spinner shown, what is the probability of the next spin la…
$\frac{3}{5}$ (corresponding to the option $\frac{3}{5}$)
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4 multiple choice 10 points a researcher studies the factors that shape…
B. discrete ### Question 5
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the students in a class collected data on the number of minutes some of…
3
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jeff has 8 red marbles, 6 blue marbles, and 4 green marbles that are th…
\(\frac{1}{3}\) (corresponding to the option with \(\frac{1}{3}\))
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1 multiple choice 10 points which level of measurement (aka scale of me…
A. nominal ### Question 2
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section 4.2 built-in functions objective 1 - using built-in functions g…
To solve the outputs of the given built - in functions, we analyze each one: ### 1. Function: `=AVERAGE(C3, C7)` - **Step 1: Identify the values in cells C3 and C7** From the tabl…
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students at javi’s school perform community service hours by volunteeri…
50%
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the dot plot below represents how long it takes students in a 9th grade…
15
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the dot plot below represents the number of goals scored by the boys so…
4
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the scatter plot below displays the ages of a group of students and the…
The scatter plot shows several clusters of data.
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sixty high school students were surveyed about the type of books they p…
\(\frac{5}{14}\) (corresponding to the option with \(\frac{5}{14}\))
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question 10(multiple choice worth 1 points) (04.03 mc) find the weighte…
2 To find the weighted average, we use the formula: \( \text{Weighted Average} = w_1x_1 + w_2x_2 \), where \( w_1 = \frac{4}{5} \), \( x_1 = 1 \), \( w_2 = \frac{1}{5} \), and \( …
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question 7 (1 point) retake question saved you find out that there was …
Bimodal
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section a.2 built-in functions objective 1 – using built-in functions g…
\( 2.5 \) ### 2. For `=AVERAGE(C3:C7)`
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american judiciary quick check explain the responsibilities of the judi…
The judicial branch is required to interpret the meaning of the laws and provide a ruling on court cases.
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the table shows how many of each type of fruit are in a fruit bowl. fru…
B. 3 to 16
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imagine that chris’s score is 3 and the mean of the class is 30. you ha…
27 (or 27.00 when considering two decimal places)
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which region has the greatest number of hazardous waste sites? estimate…
d. The Mid - Atlantic has the greatest number of hazardous waste sites at about 280 hazardous sites. (Assuming the full option d is as such, based on the graph analysis where Mid …
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the lines on a basketball are meant to help blank grip the ball. player…
players'
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when data is displayed with a scatter plot, it is often useful to attem…
C. line of best fit, used to represent the linear trend in the data
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use the graph to write an equation of the line. distance traveled (grap…
For the equation of the line: \(y=\boldsymbol{55x}\) For the interpretation of the slope: The slope of 55 means that the distance traveled (in miles) increases by 55 miles for eac…
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section a.2 built-in functions objective 1 – using built-in functions g…
2.5 ### 2. Calculating `=AVERAGE(C3:C7)`
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question 1 of 5 here are the travel times in minutes for 15 workers in …
Low Outliers \(< - 20\) minutes, High outliers \(>60\) minutes. And the answer for outliers is "No outliers".
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calculate the sample standard deviation (round to two decimal places): …
1.58
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the practice of selective incorporation means that the bill of rights w…
D. sometimes be applied to the states by the Court (assuming the last option is labeled D; if the original options had labels like A, B, C, D with the last option being D, this is…
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a graph with x - axis labeled years since 1985 (ranging from 0 to 18) a…
b. The slope indicates that the percent is falling at about 0.4% each year. The y - intercept indicates the percent in 1985 should have been about 19%.
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guided practice activity #2 – built-in functionality what are the outpu…
2.5
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3. what important pieces of information are missing from graph b? 4. in…
The graph is missing a title (to explain what the graph is about, e.g., number of M&M's by color), x - axis label (e.g., "Number of Candies"), and y - axis label (e.g., "Color of …
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which hobby was chosen as a favorite about as many times as playing the…
A. reading
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1. in graph a, what variables are the x-axis and y-axis referencing? 2.…
Green
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the table below shows the average sat math scores from 1993-2002. | yea…
b. Positive linear trend, not an exact linear fit.
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a line that is used to represent the linear trend in the data is called…
B. The smaller the error, the better the fit.
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first read: concept vocabulary identify the choice that best answers th…
C. She finds the joke unpleasant
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question 5 (1 point) imagine that you run an experiment to determine wh…
Ratio
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1. find the prime factorization of 900. 2. what is ( 6 \frac{10}{12} ) …
$2^2 \times 3^2 \times 5^2$ (or $2 \times 2 \times 3 \times 3 \times 5 \times 5$) ### Question 2: What is $6\frac{10}{12}$ reduced?
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the bar graph in the following graphic represents fictional net exports…
b. 180 billion dollars
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2. this is a learning quiz, so you can take the quiz two times. learn f…
True
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practice a continued 4. running the race isn’t enough you have to start…
s for Part B (Matching) 1. A proverb - b. sums up a simple truth. 2. Most proverbs - a. contain simple and colorful language. 3. Every culture - c. has its own proverbs. 4. To bec…
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the students in a class collected data on the number of minutes some of…
1
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which two statements are true about the situation? there are more outco…
- The coin has 2 possible outcomes, and the die has 6 possible outcomes. - The experiment has a total of 12 outcomes.
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question 2 2 pts \lose your lunch\ is a euphemism for vomit based on wo…
True
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explain whether a bar graph, double bar graph, or circle graph is the b…
C. double bar graph
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the diagram below shows the sample space for tossing a coin. tree diagr…
- One outcome is Heads, Tails, Heads. - The coin was tossed three times. - There are 8 possible outcomes.
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the following is a scatter plot of the heights and weights of the stude…
a. About 67.5 inches
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compute the standard deviation for the set of data. 13.3, 14.3, 15.3, 1…
A. \(\sqrt{2}\)
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determine whether the graph shows a positive correlation, a negative co…
The graph shows a positive correlation. The meaning is that from 1991 to 2001, as the years passed, the number of sport utility vehicles sold in the U.S. generally increased.
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the spinner below is divided into 8 congruent sections. select three st…
- Spinning a 1 is more likely than spinning any other number. - The sample space of the spinner is {1, 1, 1, 2, 3, 3, 4, 4}. - You are equally likely to spin a 3 as spin a 4.
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determine whether the graph shows a positive correlation, a negative co…
The graph shows no correlation. The option (a) is incorrect because the points do not follow a negative (or positive) linear trend—they are scattered without a consistent relation…
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jake is getting dressed for school. he has several options. the diagram…
Jake has \(\boldsymbol{6}\) possible combinations of pants and shirts to choose from. Jake has a total of \(\boldsymbol{3}\) shirts and \(\boldsymbol{2}\) pairs of pants to choose…
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determine whether the graph shows a positive correlation, a negative co…
The graph shows a positive correlation. The meaning is that as time (in minutes) passes, the number of people entering the amusement park generally increases.
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4 from unit 1, lesson 2 the histogram represents ages of 39 people at a…
The interval from 10 to 15 years (assuming the options include this, as the first interval 0 - 5 and next 5 - 10 don't reach cumulative 20, and 10 - 15 does. If the options are A:…
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ford motor 372,900 sears roebuck & company 336,100 source: scholastic k…
d. General Motors, Sears Roebuck, PepsiCo, Ford Motor, Wal - Mart (the pie - chart with these labels where Ford's segment is larger than Sears')
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from unit 1, lesson 2 the dot plot displays the lengths of pencils (in …
6
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which of the following is not an objective of the federal income tax la…
B. redistribution of wealth (Note: Wait, correction—actually, redistribution *is* an objective. Wait, re - evaluate: The question is "not an objective". Let's re - check. Stimulat…
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write down 16 different adjectives that you know. 1. ______ 2. ______ 3…
1. Happy 2. Sad 3. Tall 4. Short 5. Big 6. Small 7. Beautiful 8. Ugly 9. Fast 10. Slow 11. Smart 12. Dumb 13. Brave 14. Cowardly 15. Kind 16. Mean
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suppose you were to create a scatter plot of the data for speed and dis…
C. positive relationship; as the speed increases, the distance increases.
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compute the standard deviation for the set of data. 2, 5, 6, 8, 14 a. 1…
B. 4
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3. the probability of picking a red marble is 3/10. if there are 30 mar…
9
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read the sentence below, then answer the question. their weakened bodie…
B. The ships were called this because so many of the people on them died of hunger and disease.
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electricity electricity electricity fueloil fueloil fueloil electricity…
(Part b) | Heating Source | Frequency | Relative Frequency | |----------------|-----------|--------------------| | Electricity | 9 | 0.45 | | FuelOil | 4 | 0.2 | | Gas | 2 | 0.1 |…
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what is the best frequency table for these data? a. | pet survey | | --…
a. Pet Survey | Number of Pets | Tally | Frequency | |----------------|-------------|-----------| | 0 | |||| |||| |||| | 15 | | 1 | |||| |||| | 10 | | 2 | |||| | | 6 | | 3 | |||| …
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1. chelsea has a spinner with 7 equal sections. she spun the spinner mu…
B. The color green is more likely to occur than yellow, red, and purple combined. E. It is twice as likely to spin a yellow as it is to spin a purple.
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forty people were randomly sampled and surveyed as to the number of pet…
a. Pet Survey | Number of Pets | Tally | Frequency | |----------------|-------|-----------| | 0 | |||| |||| ||| (15) | 15 | | 1 | |||| |||| (10) | 10 | | 2 | |||| | (6) | 6 | | 3 …
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5. the table below shows the results of amber spinning a spinner with 1…
To solve this, we analyze each option using the given frequencies (Green: 7, Yellow: 9, Blue: 3, Red: 1) and the additional 80 spins (we assume the relative frequencies remain sim…
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determine whether the graph shows a positive correlation, a negative co…
The graph shows a negative correlation. As the number of minutes (time spent cycling) increases, the average cycling speed (in miles per hour) tends to decrease. The option "a. no…
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6 multiple choice 1 point the word euthanasia originates from the greek…
B. "good death" (assuming the option with "good death" is labeled as B, if the original labeling was different, adjust the label but the text is "good death")
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14. kay has a bowl of apples with the apples shown below. if kay picks …
A. \( \boldsymbol{\frac{3}{10}=\frac{t}{120}} \), D. \( \boldsymbol{\frac{3}{t}=\frac{10}{120}} \)
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forty families were surveyed and asked to record the number of hours pe…
To determine the accurate histogram, we analyze the frequency table: ### Step 1: Understand the Data The frequency table has intervals (0–9, 10–19, 20–29, 30–39, 40–49, 50–59) wit…
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question 1 points: 3 read the following quote. \the best way to destroy…
B. Inflate
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carpool carpool carpool private private private public private private …
Since data were collected for \(\boldsymbol{1}\) (one) categorical variable(s), the correct graph to make is a \(\boldsymbol{\text{Bar Graph}}\). ### Part (b)
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the bar graph in the following graphic represents fictional net exports…
c. -20 billion dollars
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use linear regression to find a function that fits the following points…
\( y = \frac{13}{5}x+\frac{6}{5} \) (or \( y = 2.6x + 1.2 \))
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the class ranks of a very small high school with 20 students are shown …
s: #### Part (a) - Fr: Relative Frequency = $\boldsymbol{0.3}$ - So: Relative Frequency = $\boldsymbol{0.25}$ - Jr: Relative Frequency = $\boldsymbol{0.2}$ - Sr: Relative Frequenc…
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6 read the following sentences: \eventually he moved to new york to bec…
A. start something
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select whether the statement is true or false. reminder: commutative me…
"Division is neither commutative nor associative." : True "Division is associative but not commutative." : False "Division is commutative but not associative." : False "Division i…
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select whether the statement is true or false. reminder: commutative me…
"Division is neither commutative nor associative": True "Division is associative but not commutative": False "Division is commutative but not associative": False "Division is both…
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the class ranks of a very small high school with 20 students are shown …
### Part (a) - Completing the Relative Frequency Table #### Explanation: Relative frequency is calculated as the frequency of a class rank divided by the total number of students.…
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13. kay has a bowl of apples with the apples shown below. what is the p…
C. 0.6
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question 21 of 22 which option is the best example of characterization …
B. A strong moral choice the main character makes under pressure
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look at the objects and read their descriptions. then answer the questi…
religion, reading
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9. the function g is a linear function. the y-intercept of the graph of…
The y - intercept of the graph of \(y = g(x)+5\) is \(2\). ### Problem 10
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12. kay has a bowl of apples with the apples shown below. which of the …
B. even chance
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5. (a) i wasnt hungry at all, so i devoured the food. ___ (b) by the ti…
To solve these problems, we analyze the meaning of each bolded word and check if its usage in the sentence is correct based on the word's definition. ### Question 5 (Word: devoure…
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edwin recorded the color of cars in the town parking lot. he summarized…
\(\frac{13}{61}\) ### Part 2: Percentage of Green Cars
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the manager of a restaurant found that the cost to produce 100 cups of …
### Part a: Find the formula for \( C(x) \) #### Explanation: A linear function has the form \( C(x) = mx + b \), where \( m \) is the slope (marginal cost) and \( b \) is the y-i…
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read the following direct quotation: \i do not feel obliged to believe …
C. In his Letter to the Grand Duchess Christina (1615), Galileo was blunt: "I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect…
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30/7 = 1 ? . ?/7
The whole number is \( 4 \) and the numerator of the fraction is \( 2 \), so the mixed number is \( 4\frac{2}{7} \), meaning the first box (whole number) is \( 4 \) and the second…
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tuesday 9-9 1. the stem-leaf plot below shows the number of cakes sold …
Since the specific statements for #4 - #7 are not provided, we can't directly determine True or False. But first, we need to list out all the data points from the stem - leaf plot…
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9. technology depot received 2 boxes of wireless headphones. each box h…
B. A shipment of 6 boxes will contain 10 more damaged headphones than a shipment of 2 boxes.
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lesson 3 practice problems 1 the box plot represents the distribution o…
The smallest value is 8 miles per hour. It represents the minimum speed of the 100 cars passing through the intersection, i.e., the slowest car was moving at 8 miles per hour. ###…