统计与概率
数据分析、概率分布、假设检验与统计方法。
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each of seven basketball players shot 5 free throws during practice. th…
Above 0: X Above 2: X X X X Above 4: X X
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typography basics worksheet 1. typography is both the art and science o…
2. Font 3. Serifs; trust 4. Serifs; modern 5. Equal; code (or tables) 6. Handwriting; personal 8. 32; root 9. More; body 10. Cap - height; x - height
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more empathy and inspired you to become a better digital citizen. now, …
C. Create a short presentation that includes global statistics and facts, your personal reflections, and diverse perspectives on the issue.
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rearrange the sentence below to remove any wordy sections. do not chang…
Advise students to select a career - path before starting college.
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rearrange the sentence below to remove any wordy sections. do not chang…
The benefits of allowing animals to visit hospitals outweigh the drawbacks.
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complete the paragraph about elections shaping policy. move one answer …
1. primary election 2. general election 3. mandate 4. referendum
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question 3 suppose that 20 students take a statistics exam worth 100 po…
A typical score is within 5 points of the mean.
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question 5 (2.5 points) listening with a “third ear” means to listen wi…
Question 5: 2) False Question 6: 1) True
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question 2 1.75 pts a large retirement community wants to host a birthd…
0
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question 1 which of the following quantitative data sets would you expe…
The collection of heights, measured in inches, of all 12th - grade students in a high school.
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a classroom of students has their heights measured (in inches) for stat…
The mean and SD will be increased by the mistake.
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antonyms are words that have opposite meanings. example: hot → cold dir…
1. a) Coarse 2. b) Complicated 3. e) Busy 4. e) Humble 5. c) Separate 6. d) Senior
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2. a coin is flipped ten times, and turns up heads six times. a) based …
a) 0.6 b) No. A small number of trials (10 flips) is not enough to conclude unfairness as randomness can cause deviation from the theoretical 0.5 probability for a fair coin. c) I…
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stripes of colored rock make the \wave\ even more unusual. the stripes …
the outward side of something
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verbal irony noun the use of language to mean something different or op…
Verbal irony is the use of language to mean something different or opposite from its literal meaning, often for creating humor, suspense or tension.
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question 4 2 pts a classroom of students has their heights measured (in…
The median and IQR will be unaffected by the mistake.
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the phrase in the meantime is not an effective transition in sentence 2…
C. However
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the value of the y - intercept a in the least squares regression line $…
$a = 489.984$; $\hat{y}=489.984+(14.823)x$
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data on y = time to complete a task (in minutes) and x = number of hour…
The sum of the squared vertical deviations from the line $y = 12.5-0.5x$ would be larger than the sum of the squared vertical deviations from the least squares regression line $\h…
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how can understanding that a system of linear equations has infinitely …
B. It allows the analyst to understand that under certain conditions, data trends can follow a predictable pattern.
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find the mean, median, and mode of the following data: (round to 1 deci…
Mean = $22.9$ Median = $19.0$ Mode = $12$
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the amount of money spent each year on science, space, and technology i…
$r = 0.3104$ weak ($|r|\lt0.5$)
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which of these is an example of allusion? a the chair groaned, complain…
B. Just because you got a hole - in - one in miniature golf doesn't mean you're Tiger Woods!
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dramatic irony noun a literary device in which the audience knows somet…
In the play, the audience knew the letter was a forgery while the protagonist was completely oblivious, creating a great deal of dramatic irony.
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one autumn morning, crow found some meat on the forest floor and carrie…
After unsuccessfully pursuing Kasaykasay, Crow returns home to find his meat missing. Hawk admits taking it as a tired - and - weak Crow is unable to respond.
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find the mean, median, and mode of the following data: (round to 1 deci…
Mean = 23.8 Median = 23.5 Mode = 17
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find the mean, median, and mode of the following data: (round to 1 deci…
19
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which of the following contributed in a meaningful way to the formation…
The religious settlements and military fortifications established in the region by Spain
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use the previously determined values $sum(x - \bar{x})(y - \bar{y}) = 1…
$14.822873$
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find the mean, median, and mode of the following data: (round to 1 deci…
Mean = $24.2$ Median = $19.0$ Mode = $17$
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what effect does eliminating the highest value, 180, from the data set …
The mean and median both decrease.
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5 from unit 1, lesson 9 a. what is the five - number summary for the da…
Minimum: $0$, $Q_1:2$, Median: $5$, $Q_3:6$, Maximum: $11$ ### 5b
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calculate the sum $sum (x - \bar{x})(y - \bar{y})$.
$1567.26$
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question 12 1 pts when a deed of trust is foreclosed through court acti…
Question 12: The trustor has a one year redemption period Question 13: No redemption or reinstatement rights
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refer to the values of (x - \\(\\bar{x}\\)) and (y - \\(\\bar{y}\\)) in…
$200.178$ $-6.792$ $180.608$ $555.698$ $1568.26$
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a student has the following averages. homework: 94.6% midterm: 65% quiz…
Sum of weights = 1, Sum of grade - weight products = 65.94
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a student has the following averages. homework: 94.6% midterm: 65% quiz…
The student's grade is 65.94. The heavily - weighted final exam has a significant impact on the overall grade. Since the final exam has a weight of 55%, a relatively low score of …
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4 from unit 1, lesson 10 select all the distribution shapes for which t…
D. skewed right
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a student has the following averages. homework: 94.6% mid - term: 65% q…
The sum of the weights is 1 and the sum of the grade - weight products (which is the student's final grade) is 65.94.
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a student has the following averages. homework: 94.6% midterm: 65% quiz…
The sum of the weights is 1.00 and the sum of the grade - weight products (which is the final weighted grade) is 65.94.
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what do you mean by character development in a text? character developm…
Character development refers to changes or growth in a character's traits, personality, beliefs, or actions throughout a story.
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building citizenship 1. determining meaning explain what the power to r…
The power to regulate interstate commerce is the government's authority to control and oversee commercial activities that cross state boundaries, including trade in goods and serv…
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3 four amateur miniature - golfers attempt to finish 100 holes under pa…
D. skewed right
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question 12 3 pts in the book night, eliezer focuses on his facination …
- Question 12: True - Question 13: True - Question 14: Religion can be seen as a system of beliefs, practices, and values related to the worship of the divine, pursuit of spiritua…
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students performed in a play on a friday and a saturday. for both perfo…
The equation $265a + 115s=2430$ represents the total money collected from selling all adult and student tickets over both the Friday and Saturday performances. It is the sum of th…
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15 what does it mean for a story to be newsworthy? c) it has a lot of d…
15. B) It is important or interesting enough to be in the news 16. A) Thinking very carefully and deeply about something
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use the table below to compute $(x - \\bar{x})^2$, using the previously…
For $(-3.3)^2$: $10.89$ For $(-0.3)^2$: $0.09$ For $(3.2)^2$: $10.24$ For $(6.7)^2$: $44.89$ For $\sum(x - \bar{x})^2$: $105.8$
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class 4 - wld hs/cu/ge... dashboard message center confer 7 bias in a n…
7. D. Shows their own opinion instead of just telling the facts 8. C. Your thoughts and feelings about the topic
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1. what is the probability of drawing each of the following from a stan…
a) $\frac{1}{2}$ b) $\frac{1}{4}$ c) $\frac{1}{13}$ d) $\frac{3}{13}$ e) $\frac{1}{26}$
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(b) find the equation of the least - squares regression line. for the l…
\(\bar{x}=10.3\), \(\bar{y}=642.66\)
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a student has the following averages. homework: 94.6% midterm: 65% quiz…
| Category | Grade | Weight | Grade * Weight | |--|--|--|--| | Homework | 94.6 | 0.05 | 4.73 | | Quizzes | 87.1 | 0.05 | 4.36 | | Mid - term | 65 | 0.35 | 22.75 | | Final exam | 6…
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the following data were gathered for 110 workers in two departments. of…
$0.61$
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the following data were gathered for 110 workers in two departments. of…
(a) 0.39 (b) 0.25
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the following data were gathered for 110 workers in two departments. of…
$0.39$
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lesson 11 practice problems 1 in science class, clare and lin estimate …
Lin was better at estimating the mass of the objects because Lin has a lower MAD (225 grams) compared to Clare's MAD (275 grams), which means Lin's estimates were on average close…
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a student has the following averages: homework: 94.5% midterm: 65% quiz…
The student's final grade is $76.94$. The heavily - weighted final exam has a significant impact on the final grade as its weight is $55\%$.
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the probability that a visit to a primary care physicians (pcp) office …
A. 0.03
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select the correct answer. read this excerpt from an essay. which point…
B. second - person point of view
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a student has the following averages. homework: 94.5%, quizzes: 87.5%, …
76.85
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the probability that a visit to a primary care physicians (pcp) office …
# Explanation: ## Step1: Define probabilities Let \(A\) be the event of lab - work and \(B\) be the event of referral to a specialist. We know that \(P(\overline{A}\cap\overline{B…
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10. in the old days, state banks issued these, which acted like money 1…
10. Banknotes 11. Commerce 1. Baltimore
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the probability that a company will make a profit this year is 0.77. (a…
(a) 0.23 (b) $\frac{23}{77}$
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suppose that 11% of a certain batch of calculators have a defective cas…
$0.74$
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what does it mean for a set to be \closed\? (1 point) an expression bel…
An operation performed on members of that set will result in a member of the same set.
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given p(a∪b)=0.4 and p(a∪b)=0.7. determine p(a) choose one of the follo…
D. $P(A)=0.1$
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investigating variability the standard deviation would ________ if outl…
- The standard deviation would decrease if outliers were removed because the data in the distribution would display lower variability. - The standard deviation would increase if o…
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the numbers 1, 2, 3, 4, and 5 are written on slips of paper, and 2 slip…
$\frac{7}{20}$
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6. the data set represents the responses, in degrees fahrenheit, collec…
The dot - plot is created by following the above steps, with dots placed above the appropriate values on the number line to represent the frequency of each value in the data - set…
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the table shows the numbers of ice - cream cones sold for different out…
Yes $y = 1.5x+12$ 114
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the numbers 1, 2, 3, 4, and 5 are written on slips of paper, and 2 slip…
$\frac{1}{10}$
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average time for field trips time (h) 0 1 2 3 4 5 art museum theme park…
Nature Preserve
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identifying the standard deviation the standard deviation is _ comparin…
Library B shows more variability than Library A. The standard deviation is larger when the data set is more spread out. The standard deviation is smaller when the variability is s…
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two dice are rolled. find the probability of the following event. the f…
$\frac{11}{36}$
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a pair of dice is rolled. find the probability of rolling a) a sum not …
a) $\frac{5}{12}$ b) $\frac{11}{12}$ c) $\frac{1}{2}$
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a pair of dice is rolled. find the probability of rolling a) a sum not …
$\frac{5}{12}$
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vocabulary: standard deviation is a measure of the variability, or spre…
1. squared deviations 2. population standard deviation 3. column header 4. One Variable Analysis 5. summary/statistics button
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what type of correlation does the following dataset appear to have? pos…
No Correlation
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what type of correlation does the following dataset appear to have? neg…
Positive Correlation
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what type of correlation does the following dataset appear to have? neg…
Positive Correlation
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what type of correlation does the following dataset appear to have? pos…
No Correlation
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what type of correlation does the following dataset appear to have? neg…
Negative Correlation
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what type of correlation does the following dataset appear to have? no …
Negative Correlation
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13) \the end of law is not to abolish or restrain, but to preserve and …
rule of law is necessary to have freedom. keep the executive and legislative branches of government separate.
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2. what does the word \peak\ mean as used in paragraph 8? a. the highes…
A. the highest point
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in a direct democracy leaders are elected to represent the will of the …
C. the government must should strive to make the country a peaceful place.
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1. which statement best expresses a theme of the text? a. roller coaste…
D. Fear should not stop you from doing what is important to you.
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which best describes how a proxy war differs from a traditional war? th…
The opposing powers in a proxy war use others to fight on their behalf.
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analyze the correlation between roman expansion policy and trade in the…
D. As the Romans conquered territory, they gained access to trade resources, which encouraged more expansion.
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in extralegal, the prefix extra - means \beyond the usual extent.\ know…
Neither legal nor illegal. It means beyond the normal legal scope.
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a pair of dice is rolled. find the probability of rolling (a) a sum not…
(a) $\frac{1}{12}$ (b) $\frac{13}{18}$ (c) $\frac{1}{2}$
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egypt nationalized the suez canal during the suez crisis. what does thi…
The Egyptian government took control of the canal.
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a. synonyms are words that have almost the same meaning. write a word f…
A. 1. astonished 2. youth 3. alarmed 4. fly B. 1. fly 2. astonished 3. alarmed 4. thundered C. 1. fly 2. thundered 3. astonished 4. alarmed
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around 1900, the british empire ruled almost ________ of the land surfa…
1. A. 25% 2. B. nationalism
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to better understand interstate commerce, break down the phrase. inters…
1. Interaction: It refers to the action or influence of people or things on one another, happening between them. 2. Interpersonal: Pertains to relationships or communication betwe…
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which of the following best explains the meaning of thesis statement? (…
a statement that gives the writer's opinion on a subject
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which of the following words means \the policy or action by which one n…
1. D. imperialism 2. C. They needed new markets where they could sell their manufactured goods.
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unit 9 study guide you will fill this out by hand & turn in on the day …
- Experimental group: Group receiving treatment. - Independent variable: Variable being manipulated. - Dependent variable: Variable being measured. - Random assignment: Reduces co…
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4. the dot - plot displays the number of bushes in the yards for houses…
Mode = 7, 11 Median = 8
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a pair of dice is rolled. find the probability of rolling (a) a sum not…
(a) $\frac{5}{12}$ (b) $\frac{5}{6}$ (c) $\frac{29}{36}$ (a) 36
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1c5. displaying quantitative data with graphs(stem plots) practice name…
The proportion of candy bars in the sample that weigh less than the advertised weight is $\frac{6}{17}\approx0.353$.