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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this question has two parts. read the sentence. then answer part a and …
Part A: 4. superiority Part B: 3. "being rudely dismissed"
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which of the following best describes the skill set needed for a busine…
A mix of statistics, psychology, and art
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the ages of jamess five cousins are listed below. 9 12 18 11 8 1) calcu…
1) $\mu = 11.6$ 2) |$x$|$x-\mu$|$(x - \mu)^2$| |---|---|---| |9|$-2.6$|$6.76$| |12|$0.4$|$0.16$| |18|$6.4$|$40.96$| |11|$-0.6$|$0.36$| |8|$-3.6$|$12.96$| | |$\sum(x - \mu)^2=61.2$…
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2. what does the word \flaunt\ mean as it is used in paragraph 12? a. s…
A. show off
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read the excerpt from \say no to gm food.\ these unknown consequences h…
C. lack
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statistics and relative frequency. the survey. some students were surve…
| Activity | Girls | Boys | Total | |---|---|---|---| | Sports | 18 | 9 | 27 | | Reading | 9 | 2 | 11 | | Friends | 13 | 9 | 22 | | Total | 40 | 20 | 60 |
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determining connotative meanings of words in the early 1700s, the avera…
swallowing
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the previous question asked about the meaning of the word \balked.\ whi…
B. Hamilton's plan favored the North, where most early factories were located, they said.
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in this excerpt, the word \balked\ most closely means a served. b objec…
B. objected
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use the following chart to help you answer the question. christianity m…
C. Both religions are monotheistic, meaning they believe in one God.
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which blog statement is an example of a claim? studies show that childr…
Raising chickens is a meaningful way to teach kids responsibility.
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how does kant distinguish between acting from duty and acting in alignm…
D. Acting from duty means doing the right thing because it is the right thing to do. Acting in alignment with duty means doing the right thing but from a motive of self - interest.
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analysis: restaurant critic directions: read the below excerpts from th…
1. Figurative language: Hyperbole ("You wait ages"). 2. Tone: Informal. Reason: Use of colloquial terms like "schtick" and a casual writing style. 3. Implication about writer's st…
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the graphs, on the right, show the percentage of jobs in a countrys lab…
49
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in general, the value of a car decreases with age. what could be the co…
B. -0.7
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4. what characterizes secondary sources? a. direct accounts b. analysis…
4. B. Analysis of original data 5. C. Expert qualifications 6. D. Field expertise
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what is the value of the correlation coefficient r of the data set? var…
B. 0.84
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what does the prefix para - mean? back or again down or away out of or …
A. Beside or beyond
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the growth of transcontinental railways and their use by large numbers …
1. B. railways that stretch across a continuous mass of land 2. C. It illustrates the seriousness of the problem.
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the prefix sub - means: back or again first or early under or below out…
Under or below
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what is the meaning of the prefix de-? above or over beside or beyond d…
B. Down or away
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read the excerpt from the odyssey. o hear me, lord, blue girdler of the…
He wants revenge for the loss of his eye. He is angered by Odysseus's taunts.
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the prefix ex - means: first or early to send to call out of or away fr…
Out of or away from
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look at the frame from one war ends another begins. read the excerpt fr…
Both demonstrate that Clara encouraged others to serve.
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in one study, it was found that the correlation coefficient between two…
There is almost no association between the variables.
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which of the following best describes the role the warrior classes play…
Warriors served the shogun throughout the country, which meant they purchased goods throughout Japan.
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which is the best estimate for the value of r in the scatter plot? vari…
-0.9
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question 1 what does the prefix re - usually mean? 1 pts down or away u…
Back or again
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isometric perspective,derives its name from the greek meaning `equal me…
True
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which of the following statements is true about the balance of payments…
E. A surplus in the financial account means there is a deficit in the current account
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question 3 of 25 which term best describes the pattern of distribution …
A. Even
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in a survey, editors of a magazine asked 200 people whether or not they…
(a) 71% (b) 16%
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what was the range of goals scored in the soccer game dataset? 6/10
3
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in a survey, 250 shoppers were asked whether they have access to a comp…
(a) 60% (b) 64%
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researchers asked 300 families whether or not they were homeowners and …
(a) 51% (b) 25%
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if a dataset has more than one mode, how is it described? multimodal bi…
Multimodal
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what is the difference between analysis and critique? select one: a. an…
A. analysis refers to the appearance or meaning of the artwork itself
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4/10 what is the median of the soccer game dataset? 6 7 8 5
$6.5$
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a research group surveyed 150 students. the students were asked how oft…
(a) \(56.67\%\) (b) \(46\%\)
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essay 1 point how does fitzgerald develop the meaning of the green ligh…
Fitzgerald develops the meaning of the green light through imagery, tying it to Gatsby's dreams and using character - related elements like actions and thoughts.
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exit ticket which answer best describes the correlation/association sho…
B. moderate positive
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question 3 3/10 how do you find the mean of a dataset? by identifying t…
By dividing the total sum of the dataset by the number of values
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document a: emancipation proclamation 1. the civil war ended in 1865. w…
1. To weaken Confederacy, gain moral support, and encourage slave defection. 2. Not immediately freed by Emancipation Proclamation; later freed by other means. 3. To disrupt South…
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based on its structure, which word most likely means \someone who takes…
D. opportunistic
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the circle graph below shows the colors of flowers in a garden. based o…
A. Red and purple, B. Yellow and white
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to barter means to o sell. o create. o trade. o earn.
trade.
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2/10 what does the range represent in a dataset? the middle value the a…
C. The difference between the highest and lowest values
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what are mean, median, and mode collectively known as? data range indic…
C. Measures of central tendency
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the kind of scale used for objects that appear larger than they are in …
e. monumental
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1. what does islam mean? 2. what does muslim mean 3. what was the name …
1. Submission to the will of God. 2. A person who follows Islam. 3. Sharia law. 4. Abu Bakr. 5. Middle - East, North Africa, parts of Europe, South Asia. 6. To decorate buildings …
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select the correct texts in the passage. which detail best supports the…
The 2001 recession briefly tempered consumer spending, but growth rates rose again as Americans spent more on durable household items, new technology, and vehicles as the housing …
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in his comments, reagan says carter has misrepresented the evidence bec…
unfavorably compared California taxes to taxes in Georgia.
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every 3 months, the government releases median weekly earnings of full …
a. $1000$ b. The value from the formula is $1010$. The value from the formula is $10$ more than the estimate from the graph.
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question 9 of 25 which type of graph would be best for showing the perc…
B. Circle graph
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question 7 of 25 the stemplot below shows the heights (in inches) of st…
D. 50 inches
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no development without change, and that to be afraid of what is differe…
Roosevelt reminds his readers that in any profession, people will use sensationalism to make money.
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what is the area under the curve for the histogram below? a. 121 b. 86 …
# Explanation: ## Step1: Identify bar - heights and widths The width of each bar is 2 (e.g., from 8 - 10, 10 - 12 etc.). The heights of the bars from left - to - right are approxi…
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question 23 of 24 what is the area under the curve for the histogram be…
# Explanation: ## Step1: Recall area formula for histogram bars The area of each bar in a histogram is height times width. Here, the width of each bar is 2 (e.g., from 8 - 10, 10 …
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which best describes the association shown in the scatter plot? variabl…
strong negative
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question 14 of 24 look at the graph and extrapolate how many baskets we…
C. 15
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8. the table on the right, from the statistical abstract of the united …
A. Mean: 111709 B. Standard - deviation: 5019
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which graph shows how data are spread out? a. line graph b. circle grap…
D. Box - and - whisker plot
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question 10 of 24 which graph would be best for the following set of da…
C. Bar graph
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king thranduil of the woodland realm is trying to rescue the kingdom fr…
B. Buy bonds
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look at the graph and interpolate how many baskets were made by the tea…
B. 29
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oscar recorded the amount of his monthly electric bill for the first 11…
E. $121$
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you poll students on whether they prefer hotdogs, chicken fingers, sala…
B. Bar graph
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excerpt from the english renaissance of art by oscar wilde currently, p…
A. He includes it as reasoning to connect a piece of evidence to his thesis statement.
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use this dictionary entry to answer the question. equi- (prefix): equal…
A. balance
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6. (03.02 lc) effective communication to government officials is focuse…
C. actionable
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choose the property that justifies each statement below. possible point…
1. Substitution 2. Transitive 3. Distribution 4. Substitution 5. Division 6. Symmetric 7. Definition of Congruence
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economists use the word marginal to mean an extra or additional benefit…
D. marginal benefit equals marginal cost.
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12. home runs 2012 here is a \back - to - back\ stemplot that shows two…
a) Boxplots are constructed using the five - number summary values calculated above for each league. b) The American League has a slightly lower minimum, a slightly higher maximum…
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question 2 points 3 which of the following statements is/are true about…
A. I and II
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select the correct answer from each drop - down menu. read the excerpt …
the narrator will pretend to enjoy Lisette's brownies.
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select the correct answer from each drop - down menu. read the excerpt …
The underlined figure of speech is an oxymoron. The reader can infer that Lisette's baking is not good, but her kind gesture makes it difficult to be honest about it.
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excerpt from what is an aquarium? by shirley hibberd the term vivarium …
A. She explains how the term aquarium grew from the word vivarium.
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ch 2 in january of 2006, a family moved to a tropical climate. for the …
$10.5$
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ch 2 a violin student records the number of hours she spends practicing…
Question 1: 6.20 hours Question 2: False
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ch 2 which group has the largest spread? textbook costs ($) married gen…
single males
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select the correct answer. if the graphs of the linear equations in a s…
C. There is no solution
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question 16 ch 2 a sample was randomly taken of the salaries of 20 empl…
25% ### Question 2: Based on this boxplot, which of the following statements is TRUE about outliers?
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select the correct answer. what does the word deteriorated mean in the …
C. worsened
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what should a writer avoid when writing a concluding statement? (1 poin…
They should avoid sharing relevant quotes and statistics.
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which federal agency calculates the consumer price index (cpi)? us cens…
B. US Bureau of Labor Statistics
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select the correct answer. glen is planning a research paper about dron…
C. What legal protection do individuals have when someone's drone enters their property?
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4. since vacation travel is a discretionary expense, consumers want to …
a. =SUM(B2:B6) b. =B3/$B$7 c. =SUM(B2:B5) d. =D6/$B$7 e. The proportion of "Poor" ratings among all ratings is 3.5%. f. The sum of "Excellent" and "Very Good" ratings is 1083.
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ch 2 which group has the smallest interquartile range (iqr)? textbook c…
married males
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while exploring a nature park, fabian and jennessis come across a creat…
Strange and disturbing; unnatural in appearance
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ch 2 a violin student records the number of hours she spends practicing…
5.76 hours
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question 11 ch 2* if a distribution is skewed to the left, the mean is …
Question 11: the mean is less than the median. Question 12: 50%
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question 9 ch 1 what is an advantage of histograms over stemplots? the …
Question 9: The dataset can be any size. Question 10: the number of people living in a household, the total household gross income, the ages of household residents
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question 7 ch 1 the purpose of pie charts and bar charts is to help the…
Question 7: help the audience grasp the distribution of the data quickly Question 8: travel time
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ch 1 look at the following histogram of salaries of baseball players. w…
right - skewed
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question 5 ch 1 an appropriate graphical way to display housing (stall,…
B. bar chart
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question 3 ch 1 the sum of the angles in a pie chart is 360 270 180 90 …
Question 3: 360 Question 4: rectangles.
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2. is the mean greater than, less than, or equal to the median? greater…
equal to
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question 1 ch 1 what is an advantage of stem - and - leaf plots (or ste…
The actual data can be extracted from them.
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practice 1b score: 32.67/50 answered: 22/25 question 23 determine what …
- Parameter: b. the number of eligible voters who actually plan to vote - Sample: f. a group of voters in the community who voted, randomly selected - Variable: a. the attendance …
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determine whether the following is an example of a sampling error or a …
Non Sampling Error