Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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assume that the amounts of weight that male college students gain durin…
C. Since the original population has a normal distribution, the distribution of sample means is a normal distribution for any sample size.
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assume that females have pulse - rates that are normally distributed wi…
$0.6255$
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elijah and aubrey have summer jobs. elijah deposits the same amount of …
b. Aubrey's equation: $y = 125x + 23$. Parallel lines mean they save the same amount per week but started with different initial amounts. c. The slopes being the same means they d…
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using the data below, eve created a conditional relative frequency tabl…
Eve's table shows that those who enjoy dancing are likely girls. Bob's table shows that boys are likely to not enjoy dancing.
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a census was conducted that determined the land area and populations of…
\(a = 1\) \(b = 1\)
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calculate the probability of drawing a blue, followed by a red marble. …
$\frac{1}{45}$
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the circle graph to the right shows each regions percent of a country. …
95
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the table shows the relationship between time spent running and distanc…
linear, because the $r$ value for the linear model is closest to 1
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a survey was conducted at a high school to study pet ownership in diffe…
6%
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here is an example for you to analyze connotation. read this sentence m…
It explains more about how Martina feels It shows how angry Martina is at Luis
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3. tracing an argument (6.t.t.3.a) which evidence best supports the cla…
3. A. Students in disruptive classrooms often have lower test scores 4. A. Adding graphs showing lower test scores in disruptive classrooms 5. B. Article 1 is serious about proble…
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name:____ date:____ per:____ 6.t.c.1.a - analyze how ideas are conveyed…
1. A. To persuade readers that disruptions hurt learning 2. A. Article 2 argues that positive environments support learning, while Article 1 focuses on the harms of disruption
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which statement accurately describes the relationship between the u.s. …
1. The U.S. Constitution, combined with laissez - faire policies, allowed John D. Rockefeller to expand his Standard Oil empire with minimal federal government interference. 2. by…
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12. the principle of - choose the correct answer - means that governmen…
Popular sovereignty
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2 use distribution to simplify the expression -3(4x - 7) your answer 3 …
2. $-12x + 21$ 3. 18 4. 2
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at sals car repair shop, each of the 8 oil change stations has a jug of…
$\frac{7}{8}$ gallon
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19. what does the word zenith mean? straight ahead the horizon where yo…
D. directly above your head
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why dont you send your grandpa a postcard? mom suggested. afternoon of …
D. Corner finds it hard to find anything to do when his parents decide to reduce the family's screen time, so he begins kicking around a soccer ball with his little brother. His p…
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pick all of the statistical questions. how many books are in the spring…
1. How many students do school librarians see in a typical school day? 2. How much time does it take you to read a book for school?
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answer the questions that follow. here are scatter - plots for four dat…
(a) Figure 1 (b) Figure 3 (c) Figure 4 (d) Figure 2
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nathan is a waiter at the firebird diner. each of the 7 booths at the d…
$\frac{5}{7}$ cup
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select the correct answer. \stare decisis\ means \let the decision stan…
B. precedent
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question 6 the news story says: to get work done, telecommuters need to…
B. Look for
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the distance between the hotel and the fine arts museum is 0.9 inches. …
The actual distance between the hotel and the fine arts museum is 2.7 km.
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select the correct answer. stare decisis means let the decision stand. …
B. precedent
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4) acing the first test (1.8): below are scores (%) of mrs. liaos stude…
a) A box - plot is drawn with minimum at $43$, Q1 at $82$, Q2 at $87.75$, Q3 at $93.5$, and maximum at $98$. b) The median score is $87.75$. The lower 25% of scores are below $82$…
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chapter 24 activity sheet: interpreting a map: the great migration, 191…
1. The southern region of the United States. 2. North and west. 3. They are all large urban centers. 4. They migrated for better economic opportunities (such as industrial jobs) a…
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identify the meaning of the variables in the point - slope form of a li…
m: the slope of the line $(x_1,y_1)$: a given point on the line $(x,y)$: any point on the line
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match each term with the correct definition. write the letter of the de…
1. b 2. e 3. a 4. d 5. c Boston Tea Party: 3 Stamp Act passed: 1 Intolerable Acts passed: 4 First Continental Congress meets: 5 Townshend Acts passed: 2
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the author writes, \i came into my own as an native american woman in h…
An essay analyzing the author's view of her Native American identity would first explain that "coming into my own" implies a newfound self - awareness and acceptance of her identi…
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1) outlier cowboys (1.8): the roster of the dallas cowboys professional…
There are no outliers.
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question 3 of 6 what does it mean when the money in your 401(k) is vest…
You can keep the money your employer contributed, even if you leave your job.
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11. which of the following is a disadvantage of private enterprise: a. …
B. Periods of unemployment
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1. the frequency table shows the test scores for mrs. rodriguez’s engli…
F. $\frac{3}{11}$
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religion: shinto shinto means \the way of the gods\ an indigenous, ____…
1. Japanese 2. founder
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the land of the rising sun japanese name for japan is or nihon written …
Japanese name for Japan is Nippon or Nihon. Written in kanji as: 日本 Means "the origin of the sun"
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the stem - and - leaf display below gives the test scores for the stude…
(a) 10 a.m.: 48, 11 a.m.: 43 (b) 10 a.m. (c) Each had the same
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minot luck9on feudal japan the land of the rising sun ・ japanese name f…
1. Nihon; "the Land of the Rising Sun" 2. volcanic activity; mountainous; flat; Terrace 3. Yayoi; Nara; Heian; Kamakura; Muromachi 4. government; Fujiwara; imperial; *The Tale of …
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the test scores of the students in four classes are summarized below. a…
(a) B. Class B (b) A. Class A
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the salaries of the employees at four companies are summarized below. a…
(a) Company A. Option Text (b) Company D. Option Text
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the dogs in a pet store were weighed. their weights (in pounds) are giv…
(a) 5 (b) 6
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cool down: roar of the crowd the scatter plot shows the maximum noise l…
1. For every 1 - thousand - person increase in the number of people in the stadium, the maximum noise level increases by 1.5 decibels. 2. The estimated maximum noise level is 120.…
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natural weather event research project in this project, you will explor…
1. $(16,-21)$ 2. $(-14,12)$ 3. Negative correlation 4. Positive correlation 5. Regression line: calculated using formulas; Correlation coefficient: calculated; Weak and positive 6…
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name: ______ class period: ______ linear regression assignment identify…
1. Positive 2. No 3. Positive 4. Weak Positive 5. Strong Positive 6. Strong Positive
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while it is possible to try to fit a linear model to any data, we shoul…
For $r = 0.8$, a linear model is likely a good fit due to strong positive correlation. For $r = 0.3$, a linear model may not be the best fit as it is a weak positive correlation. …
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jada noticed that her friends walked further and texted faster during t…
No, I do not agree with Jada.
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select the noun meaning \sick or not well.\
illness
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the following text is from charles chesnutts 1905 novel the colonels dr…
B. Well - behaved
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the following text is from charles chesnutts 1905 novel the colonels dr…
B. Well - behaved
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which excerpt from a black hole is not a hole is meant to help readers …
"If you could somehow take a close - up picture of a black hole, it wouldn't be one for the scrapbook. It would just be blank... and black."
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highlight the sentence that shows how the original purpose of underwate…
In the 1950s, the British Navy was looking for a way to help train divers during the winter; they ended up inventing a game that is now known as underwater hockey.
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to elaborate means to give additional information. read paragraph 4. se…
1. The next time you want a flatbread with your meal, you could try lahoh, an African flatbread sweetened with sugar and honey. 2. or you could opt for hotteok, which are Korean p…
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griddle me this question: why did the pancake run away? answer: it was …
1. The next time you want a flatbread with your meal, you could try lahoh, an African flatbread sweetened with sugar and honey, or you could opt for hotteok, which are Korean panc…
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5f draw the relationships date in each grouping of eight words below, d…
1. Straight lines: admonish - forewarn, bystander - witness. Squiggly lines: clean - grimy, unimportance - magnitude. 2. Squiggly lines: alive - deceased, recognized - anonymous. …
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answer the following about diction: 1. the year was 2081, and everybody…
1. It implies a long - awaited state of equality reached by 2081. 2. Social, economic, physical, intellectual are some additional ways they could be equal.
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the following table shows the data collected from students in grades 3 …
A. Dogs were the type of pet chosen most often by the students at the elementary school.
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read the excerpt from act iii of hamlet. to sleep: perchance to dream; …
dying
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read the excerpt from act iii of hamlet. the oppressors wrong, the prou…
D. heartache
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fall trivia quiz answer key 1. what is the first day of fall called? a.…
1. c. Autumnal equinox 2. a. The Harvest moon 3. c. Seven 4. a. Libra, Scorpio, Sagittarius 5. b. March 6. c. John Keats 7. a. Harvest 8. a. Good luck 9. b. Autumn in New York 10.…
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read the excerpt from act ii of hamlet. polonius: well be with you, gen…
The metaphor portrays Polonius as foolish and weak.
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what is the value of the correlation coefficient r of the data set? var…
C. 0.84
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a student was wondering if movies that cost more money to make will hav…
$y = 27.84x - 100.83$
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in general, the weight of an animal increases with age. what could be t…
0.65
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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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1) calculate the mean point and plot it on your scatter plot. ( _, _ ) …
$y = mx+35$ (where $m$ is the slope to be calculated using the mean point coordinates)
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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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which best describes the association shown in the scatter plot? variabl…
strong positive
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shooter kick left kick right total goalie move left 80 132 212 move rig…
E. For the goalie, the relative frequency of a direction is not equal to the relative frequency conditioned on the shooter's direction.
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a study was conducted on three types of home siding and the type of dam…
B. The proportion of holes created for drumming is greatest for grooved plywood.
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the following data were collected from a random sample of people, who i…
B. $\frac{400}{700}$
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shelly found that the coefficient of determination between the age of a…
72.8% of the variation in the runner's finishing position is explained by the runner's age.
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a tennis ball was thrown in the air. the height of the ball from the gr…
B. There is no linear relationship between time and height.
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what is the equation of the least squares regression line? |variable x|…
$y = 0.26x + 16.9$ (corresponding to the third option)
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a researcher in alaska measured the age (in months) and the weight (in …
C. 0.59
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for a random sample of 20 professional athletes, there is a strong, lin…
D. - 0.87
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a restaurant manager collected data on the number of customers in a par…
A. The relationship is linear because the correlation is positive.
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a botanist found a correlation between the length of an aspen leaf and …
E. Even with a correlation value of 0.94, it is possible that the relationship could still be better represented by a non - linear model.
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what are the input variable and the output variable? number of rowers i…
input: number of rowers in the rowboat; output: speed of the rowboat
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the correlation coefficient for the ages of drivers in a driver safety …
As age increases, violations decrease.
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what is the value of r for the data in the table? | |ukraine|ethiopia|g…
0.97
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which is the best estimate of the correlation coefficient for the scatt…
0.3
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ideal culture refers to the values and norms of a particular culture. h…
1. Real Culture 2. both b and c 3. Colleges
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what is the direction and strength of the association between the varia…
weak negative
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a parking lot can hold cars and small trucks. the scatter plot shows ho…
4.9
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the scatter plot shows how many desks and computers were found in 12 di…
1
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the scatter plot shows how many desks and computers were found in 12 di…
2
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which statement is true? this scatter plot has one cluster and one outl…
This scatter plot has one cluster and one outlier.
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a regression analysis of 117 homes for sale produced the following mode…
a) For every additional square - foot of area of a house, the price is predicted to increase by $63$. b) $236820$ dollars c) Residual
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a parking lot can hold cars and small trucks. the scatter plot shows ho…
3.1
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the scatter plot shows how many desks and computers were found in 12 di…
10
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read the passage from hamlet. act i. scene iii. laertes. then weigh wha…
doubtful - doubtful, dishonest - dishonest, believing - believing, heavy - heavy D. believing
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age (years) this scatter plot has two clusters and one outlier. this sc…
This scatter plot has one cluster and one outlier.
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for making a scatter plot of the data set, which would be the best scal…
0 to 8 with intervals of 0.2
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the regression of price on size of homes had r² = 31.6%. answer the que…
a) $r\approx0.562$ b) B. The price of a home that is one standard deviation above the mean size would be predicted to be $r$ standard deviations above the mean price.
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read the passage from hamlet. act i. scene v. hamlet: why, right; you a…
D. it
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after analyzing the context, what is the next step the reader should ta…
B. Consult a reference.
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the regression of price on size of homes had r² = 31.6%. answer the que…
$0.562$
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to determine the precise meaning of a word, what should the reader cons…
A. context clues D. tone E. word choice
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a random sample of records of sales of homes in a city gives the price …
C. A linear model on Size accounts for 63.6% of the variation in home Price.
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the scatter plot shows the number of minutes guya practiced the flute e…
20