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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the speed limits on various highways around the city are shown in the t…
55
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this quiz will test your knowledge on statistical measures. value: 5 wh…
9.3
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5. federalism means that the government is divided into three branches:…
5. b. False 6. b. False 7. a. True 8. a. True 9. b. False 10. a. True
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the students in social studies class are studying immigration and learn…
D. 7
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value: 2 the table shows the quiz scores from two different classes. wh…
d. The standard deviation of the scores for the 2nd period class is about 13.00, and the standard deviation of the scores for the 4th period class is about 16.20. So the data are …
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1. martin luther was a catholic monk who protested concerning issues an…
1. Martin Luther 2. his 95 Theses 3. England 4. Peace of Augsburg 5. New Testament 6. 1534 7. To declare legally invalid 8. Missionary work, education, counter - Reformation 9. Sc…
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value: 2 five students recorded how long it took them to run 1 kilomete…
B. 4 minutes
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question 9 2 pts which of the following is not a common meaning of a pr…
D. Surgical procedure
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what is the median temperature for the data shown in the table? tempera…
C. $27.3^{\circ}C$
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bridget is growing seven plants for her science project. here are the h…
D. 10 centimeters
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last week betty practiced her guitar for 45 minutes on monday, 25 minut…
B. 33 minutes
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the table shows the number of pools sold by the allied pool company ove…
D. 13.7 pools
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read the passage from the farewell speech. i do assure you there is no …
emphasizes the speaker's respect and affection for the audience.
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read the excerpts from samuel johnsons preface to a dictionary of the e…
B. make an effort or attempt, or to try.
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quiz 6.4.1 - adding probabilities this quiz will test your knowledge on…
A. 11/12
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read the passage from hamlet. act i, scene iii. hamlet: ... but tell wh…
- canoniz'd bones - hearsed in death - ponderous and marble jaws
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instructions read the question carefully and select the best answer. wh…
D. He seems to care as much about his position and reputation as he does about Betty's health.
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quiz 6.4.1 - adding probabilities this quiz will test your knowledge on…
C. 5/7
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quiz 6.4.1 - adding probabilities this quiz will test your knowledge on…
A. 3/4
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quiz 6.4.1 - adding probabilities this quiz will test your knowledge on…
C. 8/11
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quiz 6.4.1 - adding probabilities this quiz will test your knowledge on…
B. 1/6
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quiz 6.4.1 - adding probabilities this quiz will test your knowledge on…
d. 9/13
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quiz 6.4.1 - adding probabilities this quiz will test your knowledge on…
A. 7/10
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the following text is adapted from the 1886 novella the strange case of…
A. captivated
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quiz 6.4.1 - adding probabilities this quiz will test your knowledge on…
B. 0
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read this excerpt from the dark game. another thing that changed very l…
by including more detailed information about who did fieldwork for the Union and how it was done
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instructions: complete the chart by dragging and dropping the correct m…
exposed - adjective - with no protection or shield - The plants were left exposed to the harsh wind. formidable - adjective - causing fear or dread; intimidating - The mountain - …
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the table shows the number of coins in a change dish. if malcolm select…
$0.059$
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a jar contains 11 green marbles, 7 red marbles, and 6 blue marbles. a m…
C. 11/92
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a jar contains 11 green marbles, 6 red marbles, and 9 blue marbles. a m…
A. 33/325
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suppose a number cube labeled from 1 to 6 is rolled and the spinner bel…
C. $\frac{3}{10}$
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aim: why are phillis wheatley texts important in learning about the ew …
It is important to study the works of slaves while learning about the "New World" because their writings offer a first - hand perspective on the experiences of enslaved people in …
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value: 3 pats pizza shack offers customers the choices of crust, sauce,…
b. 1/24
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suppose a fair coin is tossed and the spinner below is spun one time. w…
d. 3/10
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match the terms to their descriptions ________ are requirements that wi…
1. Mandatory Standards 2. Responsibility 3. Fairness 4. Respect 5. Aspirational Standards
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probability of independent and dependent events this quiz will test you…
B. 1/6
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probability of independent and dependent events this quiz will test you…
A. 0.02
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read the excerpt from act i, scene i of romeo and juliet. romeo: well, …
She does not want to fall in love with anyone.
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is this sequence arithmetic or geometric? 9, 36, 144, 576,... question …
Question 28: B. Geometric Question 29: B. the first term Question 30: True
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revising & editing (1)the unesco speech is persuasive because laura bus…
A. This quote is important because it proves that the Bush was once a teacher. ### 9.
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historic/founding document passage 1 is adapted from platos book ix of …
31. C. the dangerous pleasures and vices that lead to corruption. 32. C. practicing his powers of rationality. 33. C. Paragraph 3, Sentence 2 ("Then the...commit"). 34. C. a set o…
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the table below shows the frequency - distribution of the rainfall on 5…
A. No, it is not symmetric.
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a pact among three countries during world war ii contained the followin…
Germany, Italy, and Japan
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jim owns a diner. he recorded how many meals his customers ordered yest…
Relative frequencies: Breakfast is 40%, Lunch is 30%, Dinner is 30%. Bar - graph with x - axis labeled "Meal" (Breakfast, Lunch, Dinner) and y - axis labeled "Relative Frequency (…
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to adapt something means to it. change duplicate examine write
change
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aaron says he wants to advocate for youth. what does that mean?
It means speaking up for and supporting the rights, well - being, and opportunities of young people, which may include promoting beneficial policies, providing development resourc…
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match the correlation coefficients with the scatterplots shown below. s…
Scatterplot A: $r = 0.67$ Scatterplot B: $r=-0.33$ Scatterplot C: $r=-0.79$ Scatterplot D: $r = 0.88$
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a transportation company sold 70 tickets on sunday, 10 tickets on monda…
Set the length of the Wednesday bar to 30 on the horizontal axis representing the number of tickets.
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midterm cumulative test of 50 students going on a class - trip, 35 are …
0.74
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ten words in context in the space provided, write the letter of the mea…
1. C. a con - artist 2. B. to support 3. A. to spread 4. A. to separate 5. A. not active 6. C. to raise
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read the excerpt from a chunk of a country. once these disparate parts …
A. something powerful and threatening
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midterm cumulative test possible points: 5 the table shows the results …
$0.389$
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the weights of 2 - pound bags of best dog food are approximately normal…
99.7%
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based on the meanings of the word parts, what is the definition of stra…
C. devise a plan
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based on the meanings of the word parts, what is the definition of the …
B. renewed, reformed, recreated
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the context of a piece of writing is the o environment in which it was …
A. environment in which it was written
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what is the mean of the normal distribution shown below? -3 -2 -1 0 1 2…
B. 0
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1 based on the meaning of the word parts, what is the definition of dis…
D. feeling of disappointment about someone you used to admire
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the annual salaries of all employees at a financial company are normall…
D. 5
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the average miles per gallon of a particular automobile model are appro…
68%
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the set of life spans of an appliance is normally distributed with a me…
D. 2
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read the excerpts from roosevelts \four freedoms\ speech and lincolns \…
preserving freedom far into the future
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the mean of the temperatures in the chart is 24° with a standard deviat…
C. $22^{\circ}$
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identify the lower class limits, upper class limits, class width, class…
Lower class limits: 25, 35, 45, 55, 65, 75, 85 Upper class limits: 34, 44, 54, 64, 74, 84, 94 Class width: 10 Class midpoints: 29.5, 39.5, 49.5, 59.5, 69.5, 79.5, 89.5 Class bound…
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the lengths of a lawn mower part are approximately normally distributed…
B. 68%
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the weights of boxes of candies produced in a factory are normally dist…
18 oz
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what is the difference of the means of the distributions? 15 30 45 60
30
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a words denotation is its literal meaning. its figurative meaning any a…
A. its literal meaning
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identify the lower class limits, upper class limits, class width, class…
25, 35, 45, 55, 65, 75, 85
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name _ date _ statistics test a part i - multiple choice - complete eac…
# Explicación: ## Paso 1: Ordenar los datos Ordenamos los 12 puntajes dados: $10, 16, 19, 21, 26, 28, 32, 38, 40, 40, 57, 65$. ## Paso 2: Encontrar la mediana (med) Como $n = 12$ …
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identify the type of sampling used (random, systematic, convenience, st…
D. Random sampling
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determine which of the four levels of measurement (nominal, ordinal, in…
Ratio
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1. the heights, in inches, of 12 students are listed below. 61,67,72,62…
# Explicación: ## Paso 1: Definir valores para la altura de los estudiantes Los datos de altura son: 61, 67, 72, 62, 65, 59, 100, 79, 60, 61, 64, 63. Un valor atípico (outlier) es…
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state whether the data described below are discrete or continuous, and …
A. The data are continuous because the data can take on any value in an interval
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statistics finite number system operations part two: the multiplicative…
7
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determine whether the given value is a statistic or a parameter. a book…
B. The given value is a statistic for the work because the data collected represents a sample.
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the histogram shows a citys daily high temperatures recorded for four w…
left - skewed
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a magazine ran a survey about a web site for downloading music. readers…
D. The sample is a voluntary response sample, so there is a good chance that the results do not reflect the population
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each histogram represents a set of data with a median of 29.5. which se…
The second histogram.
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rainwater is measured so it is a discrete quantity. true false
False
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grace is looking at a report of her monthly cell - phone usage for the …
100
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the students in marlys math class recorded the dimensions of their bedr…
The histogram is right - skewed, so the mean is greater than the median.
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techno is a root word that means \scientific\ or \skillful\. which is t…
special methods
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now no one is going to make you talk - possibly no one can. but bear in…
She values speaking up for oneself. She is concerned about others. She has high expectations of others.
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the answer to #8 - 10 are based on the following information: the box -…
# Explicación: ## Paso 1: Interpretar el diagrama de caja y bigotes El diagrama de caja y bigotes muestra los valores de percentil 25 (Q1), percentil 50 (mediana) y percentil 75 (…
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the graph represents the normal distribution of recorded weights, in po…
9.5 lbs, 10.4 lbs, 10.9 lbs
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case study practice - state v. ham who has valid consent? andrew ham wa…
1. Andrew's mother likely could not provide valid consent to search his room, and rent - payment is relevant. 2. You should call your family. 3. Record availability depends on law…
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the histogram shows the weekly rates charged by different daycares for …
nearly symmetrical
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bryant collects a set of 20 values that represent the lengths of worms …
B. 6
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the graph represents the distribution of the lengths of play times, in …
Most of the songs were between 3 minutes and 3.8 minutes long.
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ms. monroe mixes 200 cubes of 4 different colors for a project. she the…
The mean number of red cubes is less than the median number of red cubes.
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ms. redmon gave her theater students an assignment to memorize a dramat…
The mean will decrease
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the graph shows the number of minutes, to the nearest five minutes, tha…
The mean will decrease, and the median will stay the same.
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colin surveyed 12 teachers at his school to determine how much each per…
The mean is equal to the median, so the data is symmetrical.
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when 9 students were asked about the number of text messages sent in a …
1. **Cálculo de la media**: - **Explicación paso - a - paso**: - **Paso 1: Sumar todos los datos** Los datos son \(89,78,62,99,49,64,81,75,90\). La suma \(S=\sum_{i = 1}^{9}x_{i}=…
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¿cuál de estas afirmaciones sería apoyada por un comunista, pero no por…
# Breve Explicación: Los comunistas, siguiendo la teoría marxista, creen que la única manera de alcanzar una sociedad sin clases es a través de una revolución violenta que derroqu…
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the table shows the heights, in inches, of players on a girls’ basketba…
C. 69
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the dot plot shows the number of text messages mr. garcia sent each day…
The graph is skewed right
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mr. li records the measures of the lengths of his students’ handprints.…
8
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look at the table on texts assigned to students. which value for a comp…
0.1