統計と確率
データ分析、確率分布、仮説検定、統計手法。
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use the accompanying graphic showing median annual earnings of full - t…
A. Stacked area chart
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se the accompanying graphic showing u.s. primary energy consumption in …
Approximately \( \boldsymbol{7.62} \) (or adjusted value based on exact pie chart data) quadrillion Btu.
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read the excerpt from \youth activism and animal rights.\ in addition t…
to emphasize the dedication and generosity of young activists
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the data table contains a portion of data points from a function for av…
Independent variable: Time (months/days of the year). Dependent variable: Average daily high temperature. Domain: Time points (Jan 1, Feb 1, ..., Dec 31). Range: Temperatures from…
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read the excerpt from \justin lebo.\ on the way home, justin was silent…
There are not enough bicycles for the residents of the Kilbarchan Home for Boys.
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coping with loss means that you are struggling with the loss but ultima…
T
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find the regression equation, letting the first variable be the predict…
55
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a pet store surveyed 420 people to see how many own a cat and how many …
(a) \( 245 \) people (b) \( 341 \) people (c) \( 363 \) people
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the graph shows the relationship between the price of frozen yogurt and…
C. 13
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a drug trial had 210 participants. a survey was taken to determine how …
(a) \(113\) participants had drowsiness. (b) \(48\) participants had neither drowsiness nor nausea. (c) \(123\) participants did not have both drowsiness and nausea.
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a college radio station surveyed 299 incoming freshmen to see how many …
(a) \(155\) freshmen (b) \(177\) freshmen (c) \(41\) freshmen
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a college radio station surveyed 299 incoming freshmen to see how many …
(a) \(155\) (b) \(174\) (c) \(41\)
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a college food court surveyed 337 students to see how many drink tea an…
(a) \(192\) students; (b) \(68\) students; (c) \(264\) students
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the heights (cm) of winning presidential candidates and their main oppo…
# Explanation: ## Step 1: Organize the data Let \( x \) be the height of the winning presidential candidate (predictor variable) and \( y \) be the height of the opponent. The dat…
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the box plot represents the number of math problems on the quizzes for …
9
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if a new data point at 12 is added to the graph, which will be true? th…
The mean will increase more than the median, but both will increase.
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which is most likely the correlation coefficient for the set of data sh…
-0.83
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the table shows the shoe sizes of women of different ages. which best d…
a weak positive correlation
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the data set represents the number of snails that each person counted o…
D. 22
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the table below includes data from taxi rides. the distances are in mil…
To determine the linear correlation coefficient \( r \) and analyze the relationship between ride time (minutes) and tip amount (\$), we typically use statistical software or a ca…
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the pizza conundrum is the principle that the price of a slice of pizza…
If we assume \(n = 8\) (number of data pairs), the test statistic \(t\approx17.20\) (the value may vary slightly depending on the sample size \(n\). If the actual \(n\) is differe…
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a line of best fit is drawn for the set of points shown on the graph. w…
\( (30, 38) \)
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what is the value of the discriminant, ( b^{2}-4ac ), for the quadratic…
The discriminant is 73, so the equation has 2 real solutions. (Option: The discriminant is 73, so the equation has 2 real solutions.)
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the pizza connection is the principle that the price of a slice of pizz…
The test statistic \( t\approx14.04 \) (If \( n = 6 \), the value is approximately 14.04. The exact value depends on the number of data points, but for the typical pizza - subway …
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the conditional relative frequency table was generated using data that …
123
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the pizza correlation is the principle that the price of a slice of piz…
To determine the linear correlation coefficient \( r \) and analyze the scatterplot, we typically use statistical software or a calculator with correlation capabilities. Assuming …
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the table compares x, the number of minutes of television sam watched e…
72 minutes
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rob is investigating the effects of font size on the number of words th…
\(y = -38x + 922\) (Option C, assuming the options are labeled C as \(y = -38x + 922\))
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lydia runs an experiment to determine if a coin is fair by counting the…
B. 50 (assuming the options are labeled, but the correct value is 50)
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the approximate line of best fit for the given data points, ( y = - 2x …
-2
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the data in the table compares x, the number of pages in a chapter, to …
21
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which is most likely the correlation coefficient for the set of data sh…
0.19
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find the residual values, and use the graphing calculator tool to make …
s: ### Part 1 (Residuals): For \( x = 1 \): \( 0.14 \) For \( x = 2 \): \( -0.09 \) For \( x = 3 \): \( -0.12 \) For \( x = 4 \): \( -0.05 \) For \( x = 5 \): \( 0.12 \) ### Part …
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teddy is preparing to sell some wooden blocks at a garage sale. before …
20 (corresponding to the option "20")
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the table shows the number of calories in four meals and the cost of ea…
a weak negative correlation
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georgianna wants to use the linear model associated with the data in th…
0 to 30 minutes
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the chart represents a data sets given values, predicted values (using …
\( g = -2 \) and \( h = 1 \) (corresponding to the option "g = -2 and h = 1")
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a data set is shown in the table. the line of best fit modeling the dat…
0.88
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food is valuable in elizabethan england, far more so than in the modern…
C. Transportation was difficult in Elizabethan England D. The food supply in Elizabethan England depended on what was grown locally
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what is the correlation coefficient for the data shown in the table? 0 …
B. 1
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5 a box containing 1,000 coins is shaken, and the coins are emptied ont…
The exponential regression equation is \(y = 1000(0.61)^{x}\). The number of coins returned after the eighth trial is approximately \(22\).
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4 the data collected by a biologist showing the growth of a colony of b…
The exponential regression equation is \(y = 229.39(1.65)^{x}\), and the estimated population at the end of 7 hours is \(11190\).
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the scatterplot represents the total fee for hours renting a bike. the …
Since the problem is not fully stated (e.g., what is being asked about the scatterplot and the line of best fit, like predicting cost for a certain number of hours, interpreting t…
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write an exponential regression equation for the data, rounding all val…
The exponential regression equation is \(y = 7.94\times1.59^{x}\)
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ms. sutton recorded the word counts and scores of the top ten essays in…
A. Word count tends to decrease as the score decreases.
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the table shows the number of flowers in four bouquets and the total co…
0.28
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the graph shows the relationship between daily caffeine consumption and…
B. increasing heart rate, D. positive correlation
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the graph shows the best - fit regression model for a set of data compa…
Each point in the data set is near the regression line.
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which graph shows data whose r - value is most likely closest to 1?
The second graph (the one with the yellow points showing a positive, relatively linear trend)
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which excerpts from queen elizabeths response to parliaments request th…
4. The realm shall not remain destitute of any heir that may be a fit governour, and peradventure more beneficial to the realm 5. For though I be never so careful of your well - d…
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jace gathered the data in the table. he found the approximate line of b…
-0.86
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find the residual values, and use the graphing calculator tool to make …
### Part 1: Calculating Residual Values The formula for the residual is \( \text{Residual} = \text{Given} - \text{Predicted} \). ## Step 1: Residual for \( x = 1 \) Given \( \text…
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fiona wrote the predicted and residual values for a data set using the …
- The data point for \( x = 1 \) is above the line of best fit. - The residual value for \( x = 2 \) should be a positive number because the given point is above the line of best …
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the table shows the height, in meters, of an object that is dropped as …
A. According to the line of best fit, the object would have hit the ground 0.6 seconds later than the actual time the object hit the ground.
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the table shows the average number of hours of daylight per day for the…
\(-0.993\)
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the table shows a companys profit based on the number of pounds of food…
B. $5,300$ (assuming the options are labeled as A: $5,150$, B: $5,300$, C: $10,150$, D: $11,000$)
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the equation for the line of best fit is ( f(x)=1.8x - 5.4 ) for the se…
20 (corresponding to the option "20")
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the graph shows the exponential regression model for data representing …
The graph of the regression model can be used to predict the population size for any number of years in the future.
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which best describes the strength of the model with an r - value of - 0…
a strong negative correlation
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which is most likely the correlation coefficient for the set of data sh…
-0.83
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the quadratic regression graphed on the coordinate grid represents the …
The height of the surface decreases from the center out to the sides of the road. (The correct option is the first one: "The height of the surface decreases from the center out to…
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janna is making a prediction of the frequency of a key that is 12 keys …
D. extrapolation, because a key that is 12 keys from middle C is outside the data set
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read the passage from sugar changed the world slavery was abolished in …
The details about families leaving for a better life inform readers about the status of the author’s family.
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question 48 (2 points) benefits that are provided selectively to those …
means - tested.
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question 44 (2 points) bicameralism means that the legislative body mee…
"has two houses, providing checks and balances on policymaking."
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the root bel means war. what does the word rebellion mean? the act of r…
the act of rising up in armed opposition to the government
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the text showsmains line. what does the word chronological mean? arrang…
arranged in the order that the events occurred
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social security and medicare are voluntary programs aimed specifically …
C. are the largest and most expensive social welfare programs in America.
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the root fic or fac means do or make. what does the word facilitate mea…
to cause something to be more efficient
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read the following sentence: in many states, the law says that refusing…
unspoken
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question 1 (2 points) the distribution of income across segments of the…
highly uneven.
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in paragraph 1 of the passage, what is the meaning of the word luster? …
shine
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laras chewing misophonia is so strong that she hasnt been inside a rest…
disgust of a particular noise
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as the storm approached, the old - timers reminded one another that the…
Stubbornly
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what is the meaning of the word categorize in paragraph 9 of the passag…
classify
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read the following sentence: if you want people to follow the rules, ma…
have only one possible meaning
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read the following paragraph: strokes are one of the leading causes of …
facts and statistics
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the phrase, drain the swamp, has become an often - used shorthand for t…
"Reforms like ending wasteful government spending, making changes to campaign financing laws, addressing conflicts of interest, and putting a stop to cozy relationships between le…
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fill in the blank with the word that correctly completes the sentence. …
diagnose
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113. to be means that, instead of waiting for the problem to come to yo…
proactive
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94. true or false, logical argument means clearly presenting your ideas…
True
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93. true or false, logical argument means fighting with someone until t…
B. False
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14. each runner is carrying an 8 - ounce bottle of water, a 2.1 - ounce…
The expression is \(13.1y\), which means that the total weight carried by \(y\) runners is \(13.1\) ounces per runner times the number of runners \(y\)
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students at a high school were polled to determine the type of music th…
47.1
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read the following sentences and answer the question below: \ladies and…
C. shrink
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each of these relationships reflects a correlation. which relationship …
When there are more children in a city, there are more schools in the city.
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the table shows the number, expressed in millions, of citizens who move…
\(0.07\)
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use the passage to answer the question. which detail from the passage s…
C. "... [T]here was a bill that he would pay with a real two shilling piece, and it was real, all real, he assured himself, fingering the coin in his pocket, real to everyone exce…
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find the residual values, and use the graphing calculator tool to make …
### Part 1: Find Residual Values Residual is calculated as \( \text{Residual} = \text{Given} - \text{Predicted} \) ## Step 1: For \( x = 1 \) Given \( = -2.7 \), Predicted \( = -2…
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what is the slope of the least - squares regression line for these data…
\(-0.57\)
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you are dealt one card from a standard 52 - card deck. find the probabi…
\(\frac{5}{13}\)
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a company launches its new website and tracks the number of visits to t…
about 500
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use the scatterplot and line of best fit shown to complete the statemen…
- Observed value: \( 9 \) - Predicted value: \( 5 \) - Residual: \( 4 \)
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a random sample of 75 eighth grade students scores on a national mathem…
Reject \(H_0\)
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a 12 - sided die is rolled. the set of equally likely outcomes is {1,2,…
\(\frac{11}{12}\)
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consider the plot that was created from the residuals of a line of best…
C. No, it follows a pattern
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jane by april lindner \for now, its just you, me, benjamin, the grounds…
D. Mrs. Fairfax and Lucia
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the matrix shows the number of different types of coffee sold at a coff…
50%
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themes and archetypes quick check drag and drop the words into the corr…
First blank (after "idea, symbol, or"): behavioral pattern Second blank (after "conveys a(n)"): universal idea (Note: If the options allow, the first blank could also be "place", …
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use the poem \im nobody! who are you?\ by emily dickinson and the excer…
A. Strong self - identity comes from being comfortable with who you are.