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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what is the correct meaning of the word concept? the teacher explained …
idea
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the area of the shaded region is 0.2744.
$0.2744$
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the area of the shaded region is 0.2744. part 4 of 4 (d) the area of th…
0.3853
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question 1-6 petra is a personal trainer at a gym and wants to track th…
The function is an appropriate fit and represents a positive, linear association between hours of exercise and weight loss.
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a defunct website listed the \average\ annual income for florida as $35…
A. The term average is often used in statistics to represent the mean.
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which meaning of lapse most closely matches its meaning in the followin…
C. verb | to come to an end, because of a lack of use or renewal
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3) below is an ogive of the commute times of a random sample of teacher…
a) Locate 50% on the y - axis (cumulative relative frequency), draw a horizontal line to the ogive, then a vertical line to the x - axis. The x - value is the median commute time.…
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find each of the shaded areas under the standard normal curve using a t…
$0.0059$
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2) the following data represents a sample of senior students in a high …
a) The range is 50. Interpretation: It shows the difference between the highest and lowest number of books read in the sample. b) The standard deviation is approximately 20. Inter…
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unit 1: one variable data l6 practice - measures of center and spread 1…
a) Mean: $\approx116.67$, represents the average calories per serving. Median: $125$, is the middle - value of the ordered data. b) Mean: $91$, represents the average calories per…
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how do you warn the vehicle behind you that you intend to leave traffic…
Tap the brake, Use your turn signal Median barriers, Guard rails, Brake away signs, Rumble strips, Controlled access
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the owners of a coffee shop are gauging interest in the new baker items…
0.48
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y = 5x + 22 62 = 5x + 22 40 = 5x x = 8 logan noticed that his basil pla…
The number of days that the plant has been growing.
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overall assignment score: 85% fifteen items or less: the number of cust…
(a) $\mu_X = 2.25$ (b) $\sigma_X\approx1.2196$
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(type an integer or a decimal. do not round. use a comma to separate an…
D. The jersey numbers are nominal data and they do not measure or count anything, so the resulting statistics are meaningless.
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prepare your role: vocabulary. identify puzzling or unfamiliar words. y…
To answer this, one would need to consider the character's goals, actions, and circumstances in relation to the ideals of the American Dream such as upward social mobility, succes…
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find the (a) mean, (b) median, (c) mode, and (d) midrange for the data …
47
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find the (a) mean, (b) median, (c) mode, and (d) midrange for the data …
29
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find the (a) mean, (b) median, (c) mode, and (d) midrange for the data …
$39.3$
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a defunct website listed the \average\ annual income for florida as $35…
C. The term average is often used in statistics to represent the mean.
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11 multiple choice 1 point retirement account distributions discretiona…
11. B. Unearned Income 12. C. Earned Income
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2. short answer: explain in your own words what “popular sovereignty” m…
2. Popular sovereignty is the principle that the power of a government stems from the people, who are the ultimate authority in political matters. 3. C. The happiness of the people
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a colleges baseball roster consists of 11 pitchers, 3 catchers, 8 infie…
$\frac{616}{312455}$
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the table below shows the highest temperatures recorded in august for s…
3. 11 4. 4) I, II, and III
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the table below shows the highest temperatures recorded in august for s…
1. (3) 11 2. 4) I, II, and III
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do you think satire is an effective way to critique something? how effe…
Satire can be an effective way to critique something through irony and humor, but its success in criticizing societal issues varies based on audience perception and context.
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choose one of the following writing prompts. write about a time when yo…
No specific answer is provided as it is a writing prompt asking the writer to choose one of the prompts and craft a written response following the given guidelines.
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read the following passage and then answer the question below. georgia …
C. an opportunity for Johnson to get feedback on her plays.
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choose one of the following writing prompts: write about a time when yo…
There is no single - correct answer as it depends on the writer's choice of prompt and their personal views and experiences. If choosing the first prompt: A writer might share an …
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the organizers of a convention are drawing lots to pick the host city f…
The probability that Cleveland or Dallas is picked is $\frac{2}{9}$. Since the options are not clearly visible in the image, if we assume the options are in fraction form and one …
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davids family was puzzled by the short and cryptic note he left on the …
mysterious
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1 - 3 mean, median, mode, range, standard deviation, and variance part …
Mean: $155.00$ Median: $150.00$ Range: $200.00$ Variance: $2981.82$ Standard Deviation: $54.61$
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topic: measures of center progress: the movement of the progress bar ma…
(The correct box - and - whisker plot is the one that has the minimum value at \(6\), \(Q_1\approx9\), median \(\approx21\), \(Q_3\approx28\), and maximum value at \(30\). Since t…
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show what you know- how to stay safe online reading questions \even a 1…
B. unintentionally
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1. the following ideals are the values upon which america was founded. …
For example, if we pick equality: Laissez - faire economic policy brings America further from achieving it. The lack of government intervention can lead to unequal distribution of…
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1 multiple choice 1 point what does distribute mean to do? divide multi…
1. B. multiply 2. C. \(10 + 10y\)
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fill in the blank question the meaning of the prefix is web, or tissue.…
reticulo -
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question 9 why should you have an emergency action plan? (select all th…
All of the above options are correct. - Seconds can mean the difference between life and death from exertional heat stroke. - EAPs reduce the likelihood you will be sued if a stud…
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1. pop music is a of popular music that originated in its modern form d…
1. Genre 2. Catchiness; accessibility 3. a. Michael Jackson, b. Madonna, c. Stevie Wonder, d. Beyoncé 4. T 5. a. Repeated choruses and hooks, b. Songs written in verse - chorus st…
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fill in the blank question the prefix adip- means need help? review the…
fat
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which word element means glue? -glia -cyt hyal- strat-
O -glia
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youtube: \what is pop\? by the best gams oer c. power pop d. synth pop …
Pop music is a genre of popular music that is typically characterized by catchy melodies, accessible lyrics, and a focus on commercial appeal. It includes sub - genres such as Pow…
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what is the meaning of the prefix epi-? o upon o below o side o center
A. upon
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9. what is the \three act structure\? a) a type of camera b) a narrativ…
9. B. A narrative structure 10. A. A set of guidelines for film content 11. The phenomenon where viewers derive more meaning from the interaction of two sequential shots than from…
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9. what is the \three - act structure\? a) a type of camera b) a narrat…
9. B. A narrative structure 10. A. A set of guidelines for film content 11. The phenomenon where viewers derive more meaning from the interaction of two sequential shots than from…
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what is the most common purpose for composition in art? a. it helps the…
A. It helps the artist create a meaningful experience
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back, this bent atlas of the medieval world who now struck terror throu…
B. As populations recovered from wars, famines, and plagues, the cost of labor came down; lords could derive rent from their tenants and pay a low price for hired help.
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symbolism is a an expression, practice, or usage of cultural characteri…
D. the art of using symbols, or having symbolic meaning
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which phrase describes the system of federalism established by the unit…
the division of powers between the national government and the states
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cultural areas a\tb\tc\td\te\tf arctic\tpacific coast\tplains\tplateau\…
Metis: People of mixed Indigenous and European (usually French) descent in Canada. Inuit: Means "the people" in Inuktitut, Indigenous people of the Arctic regions.
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c) the experiment is ethical d) the results are significant 57. validit…
57. b) The test measures what it's supposed to measure 58. b) Survey 59. b) Draw conclusions and make predictions 60. b) Summarize and describe data 61. a) An inactive substance g…
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part iv - research & statistics (20 questions) 46. which type of resear…
46. c) Naturalistic observation 47. b) Case study 48. a) Independent variable 49. b) Dependent 50. b) Positive correlation 51. b) Correlation 52. c) Experiment 53. b) Random sampl…
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which of these statements is best supported by the passage below (parag…
The people of the town have come to expect—and even rely on—the refusal.
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are these complete sentences, or is one of them a fragment? dr. maria f…
Fragment
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1. what is most closely the meaning of superseded as it is used in the …
D. (verb) taken the place of; succeeded
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at the start of the school year, pledmont high surveyed new students ab…
A. 7
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a sample of high school graduates was asked to identify a person who ha…
A. 8
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on monday, forest avenue school surveyed some students about the types …
B. 5
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lily asked 200 students to select their favorite sport and then recorde…
A. 10
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lucy randomly surveyed 25 students in her school about the number of bo…
151
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read the sentence. we knew algerlynn must be angry because her features…
B. furious
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where does government get its power? when should government be changed …
1. From the consent of the governed. 2. When there is a long train of abuses and usurpations aiming at absolute Despotism. 3. To emphasize the seriousness of reasons for revolutio…
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sarah wants to make a graph that shows the relationship between time an…
A. Line graph
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which graph is used to show how data changes over time? pie chart bar g…
C. Line graph
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stephanie wants to make a graph that shows how all the flowers in her g…
C. Pie chart
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weight of kitten over time weight (kg) age of kitten (months) which var…
B. Age of kitten
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which graph is used to compare data organized into categories? bar grap…
A. Bar graph
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analyzing a students argument for an in - class demonstration, a teache…
No, the student is not correct. Each coin - flip is an independent event and the probability of getting tails on the 6th flip is 0.5, the same as it would be for any single flip o…
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based on the video link above, once youve got your trusty field noteboo…
As a notetaker, I make outlines. In the field, I'll record observations about people, their interactions, cultural practices, environmental details, and the social - environmental…
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calculating the probability of independent events consider a situation …
\(\frac{1}{6}\)
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a bag contains a variety of different - colored marbles. if $p(red)=\fr…
The events are independent because \(P(\text{red})\cdot P(\text{green}) = P(\text{red and green})\).
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read the excerpt from dr. martin luther king jr.s \i have a dream\ spee…
mountain of despair
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title of choice poem: \poem for a lady whose voice i like\ nikki giovan…
After reading the poem once or twice, my initial thoughts are the poem is tender because the language conveys a soft affection. My favorite line is "Your voice is a song in my ear…
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question 1 1 pts the first step in controlling is to: take corrective a…
establish performance standards
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title of choice poem: her dreams nikki giovanni after reading the poem …
After reading the poem once or twice, my initial thoughts are that it is evocative because of the vivid imagery. My favorite line is "She dreams of a world without boundaries" bec…
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read each question carefully and follow all instructions exactly. show …
1a. 0.2453 1b. 0.3113 1c. 0.1981 1d. 0.3585 1e. 0.6364 2b. 0.3906 2c. 0.8594 2d. 0.625 2e. Yes, because P(G2|G1) = P(G2) = 5/8.
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part ii: now, apply learning and ideas from \how to read a poem\ as you…
After reading the poem once or twice, my initial thoughts are engaging because the imagery is rich. My favorite line is "The whole idea of it makes me feel like I'm coming down wi…
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identify the sampling techniques used, and discuss potential sources of…
B. Cluster sampling is used, since the disaster area is divided into grids, and some of those grids are selected and everyone in those grids is interviewed.
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identify the sampling techniques used, and discuss potential sources of…
What type of sampling is used? C. Stratified sampling is used, since the field is divided into subplots and a random sample is taken from each subplot. What potential sources of b…
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identify the sampling techniques used, and discuss potential sources of…
C. Stratified sampling is used, since the field is divided into subplots and a random sample is taken from each subplot
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9. no calculator. simplify each expression. 4² + 1 = 6⁻¹ = 2(3² - 5) = …
9. $4^2 + 1=17$, $6^{-1}=\frac{1}{6}$, $2(3^2 - 5)=8$ 10. $x=-8$ 11. 16 12. C) 5, 7, 10, 12, ... 13. 5 14. Incomplete table, can't answer fully
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9. no calculator. simplify each expression. 4² + 1 = 6⁻¹ = 2(a² - 5) = …
1. $4^{2}+1 = 17$ 2. $6^{-1}=\frac{1}{6}$ 3. $2(x^{2}-5)=2x^{2}-10$ 4. $x=-8$ 5. $mx + b=16$ 6. C. $5,7,10,12,\cdots$ 7. 5 8. $h(0)=8$ 9. $x = 2$ 10. Domain: $[-3,3]$, Range: $[-4…
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42. read the definition. then choose the sentence in which the underlin…
42. A. Erica said that she was too tired to practice after school. 43. C. The defendant was being tried for capitol murder.
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many ancient civilizations believed that dreams were __________. a. mea…
C. messages from the spirit world
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the graph to the right shows the number of students in each sport at a …
Identify the level of measurement of the data listed on the horizontal axis in the figure: Nominal Identify the level of measurement of the data listed on the vertical axis in the…
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the graph to the right shows the number of students in each sport at a …
Nominal
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the list of books that your friend read for school for the past five mo…
D. Nominal. The data are categorized using names, labels, or qualities, but the data cannot be ranked or arranged in order.
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the lengths (in centimeters) of 22 ford automobiles are listed. identif…
A. Ratio. The data can be ordered and differences between data entries are meaningful, and the zero entry is an inherent zero.
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determine whether the variable is qualitative or quantitative. explain …
The variable is qualitative because model numbers are labels.
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assume that the average rating in each of the three classes is 5 (which…
Without the actual histograms, we can't give a specific answer. But conceptually, the class with data points most closely clustered around the mean has the smallest standard devia…
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consider 1,500 m running track - and - field events. which variable wou…
We expect high school times to have a larger standard deviation because of the great variety in abilities of high school athletes compared to Olympic athletes. This variety might …
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complete the table to determine the standard deviation for the density …
$0.5115$
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select the two sentences that use the word correctly. after you have ma…
1. Mermaids were believed to have the power to bewilder passing sailors. 2. The surprising election results seemed to bewilder all the pollsters. 3. The changing habitat may bewil…
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50% of the shows have a rating greater than: 11 15.5 14 17 impossible t…
1. First question: C. 14 2. Second question: Impossible to tell
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suppose a survey of 540 women in the united states found that 70% are t…
Choose the best statement of the descriptive statistic in the problem: D. 70% of women in the sample are the primary investor in their household. Choose the best inference from th…
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the enrollment at a local charter school has been increasing linearly. …
The average rate of change = 37 The enrollment at the charter school has been increasing at a rate of 37 students per year.
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suppose a survey of 540 women in the united states found that 70% are t…
D. 70% of women in the sample are the primary investor in their household
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identify the population and the sample. describe the sample data set. a…
all law firms in the country
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determine whether the data set is a population or a sample. explain you…
A. Sample, because the collection of salaries for 5 baseball players is a subset of all baseball players on the team.
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what message is spiegelman trying to convey in the panel? the good stam…
By being presentable and appearing able - bodied, the individuals still had hope they could escape a terrible fate.