EOC Practice Test Reporting Category 5. Data Analysis, Statistics, and Probability.

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Presentation transcript:

EOC Practice Test Reporting Category 5

Data Analysis, Statistics, and Probability

1.Which scatterplot best represents a positive linear relationship between the variables x and y? ABCD

2.This table shows the number of golf tees in a jar on the counter of a local pro shop. Color of TeeNumber of Tees Red138 Blue191 Green207 Yellow165 One tee will be randomly selected from the jar. Which is closest to the probability that the tee selected will be red or green?

A C B D Color of TeeNumber of Tees Red138 Blue191 Green207 Yellow165

3.This set of data includes the scores that Heather earned on her last 7 Algebra I tests. {90, 81, 99, 93, 87, 91, 85} If her grade on the next test is 97, which statement is true? A.The median will increase by 4 points. B. The mean will not change. C. The range will increase by 2 points. D. The mean will increase by 1 point.

4.A bird watcher keeps a record of the color or birds he sees in his garden. This table shows the results. ResultFrequency Red8 Blue10 Black7 What is the experimental probability that the next bird to fly into the garden will be blue?

ResultFrequency Red8 Blue10 Black7 A. C. B. D.

5.Julie has a data set for which the mean is 71. Each value in the data set is multiplied by 8. What is the mean for the new data set? A. 8 B. 71 C. 284 D. 568

6.This table shows the number of tickets remaining for each performance of the senior play. PerformanceNumber of Tickets Thursday21 Friday10 Saturday6 Sunday12 The number of tickets remaining for Thursday decreases by 8, while the number of tickets remaining for Sunday decreases by 4. What is the effect of these changes on the median of the data?

A. The median decreases by 2. B. The median decreases by 1. C. The median increases by 1. D. The median increases by 2. PerformanceNumber of Tickets Thursday21 Friday10 Saturday6 Sunday12

7.Which graph best shows a negative linear relationship between the variables x and y? ABCD

8.The scatterplot shows the number of tackles Eric made in seven football games. For game eight, which number of tackles that Eric could make would be considered an outlier? A.2 B.5 C.8 D. 13

9.The average price of a concert ticket, over a period of several years, is shown in the graph below. If the trend continues, what is the best prediction of the average price of a concert ticket in 2020? A.$23.99 B.$60.50 C.$73.45 D.$150.82

10.The median of a data set is 21. Every value in the data set is multiplied by 4 to create a new data set. What is the median of the new data set? A. 21 B. 25 C. 42 D. 84

11.The graph shows the value of a baseball card over many years. What is a reasonable estimate of the value of the baseball card in 1991? A.$310 B.$350 C.$420 D. $505

12. Mrs. Smith wrote the names of all students in her first period class on same-size slips of paper and placed them in a box for a drawing. Of the 29 students in the class, eight are seniors, eleven are juniors, six are sophomores, and four are freshmen. What is the probability that the first slip of paper drawn from the box does not have the name of a junior student written on it? A. C. B. D.

13.A survey of the freshman class asked students to indicate their choice of locations for a class field trip. A total of 150 students were surveyed. The circle graph shows the percentage of votes received by each option.

Which statement is not supported by the data in the graph? A.More than half of the students selected the water park or the amusement park. B.The museum was selected by half of the number of students who selected the zoo. C.12 students selected the State Capitol. D. 70 students selected the amusement park.

14. A relationship between p, the average number of points per game scored by NBA teams, and y, the number of years after 1960, is shown in the table.

If the trend continues, which is the best prediction for the average number of points per game scored by NBA teams in 2030? A B C D

15.Which scatterplot does not show a linear relationship between the variables x and y? ABCD

The Answers

1.Which scatterplot best represents a positive linear relationship between the variables x and y? ABCD

2.This table shows the number of golf tees in a jar on the counter of a local pro shop. Color of TeeNumber of Tees Red138 Blue191 Green207 Yellow165 One tee will be randomly selected from the jar. Which is closest to the probability that the tee selected will be red or green?

A C B D Color of TeeNumber of Tees Red138 Blue191 Green207 Yellow165

3.This set of data includes the scores that Heather earned on her last 7 Algebra I tests. {90, 81, 99, 93, 87, 91, 85} If her grade on the next test is 97, which statement is true? A.The median will increase by 4 points. B. The mean will not change. C. The range will increase by 2 points. D. The mean will increase by 1 point.

4.A bird watcher keeps a record of the color or birds he sees in his garden. This table shows the results. ResultFrequency Red8 Blue10 Black7 What is the experimental probability that the next bird to fly into the garden will be blue?

ResultFrequency Red8 Blue10 Black7 A. C. B. D.

5.Julie has a data set for which the mean is 71. Each value in the data set is multiplied by 8. What is the mean for the new data set? A. 8 B. 71 C. 284 D. 568

6.This table shows the number of tickets remaining for each performance of the senior play. PerformanceNumber of Tickets Thursday21 Friday10 Saturday6 Sunday12 The number of tickets remaining for Thursday decreases by 8, while the number of tickets remaining for Sunday decreases by 4. What is the effect of these changes on the median of the data?

A. The median decreases by 2. B. The median decreases by 1. C. The median increases by 1. D. The median increases by 2. PerformanceNumber of Tickets Thursday21 Friday10 Saturday6 Sunday12

7.Which graph best shows a negative linear relationship between the variables x and y? ABCD

8.The scatterplot shows the number of tackles Eric made in seven football games. For game eight, which number of tackles that Eric could make would be considered an outlier? A.2 B.5 C.8 D. 13

9.The average price of a concert ticket, over a period of several years, is shown in the graph below. If the trend continues, what is the best prediction of the average price of a concert ticket in 2020? A.$23.99 B.$60.50 C.$73.45 D.$150.82

10.The median of a data set is 21. Every value in the data set is multiplied by 4 to create a new data set. What is the median of the new data set? A. 21 B. 25 C. 42 D. 84

11.The graph shows the value of a baseball card over many years. What is a reasonable estimate of the value of the baseball card in 1991? A.$310 B.$350 C.$420 D. $505

12. Mrs. Smith wrote the names of all students in her first period class on same-size slips of paper and placed them in a box for a drawing. Of the 29 students in the class, eight are seniors, eleven are juniors, six are sophomores, and four are freshmen. What is the probability that the first slip of paper drawn from the box does not have the name of a junior student written on it? A. C. B. D.

13.A survey of the freshman class asked students to indicate their choice of locations for a class field trip. A total of 150 students were surveyed. The circle graph shows the percentage of votes received by each option.

Which statement is not supported by the data in the graph? A.More than half of the students selected the water park or the amusement park. B.The museum was selected by half of the number of students who selected the zoo. C.12 students selected the State Capitol. D. 70 students selected the amusement park.

14. A relationship between p, the average number of points per game scored by NBA teams, and y, the number of years after 1960, is shown in the table.

If the trend continues, which is the best prediction for the average number of points per game scored by NBA teams in 2030? A B C D

15.Which scatterplot does not show a linear relationship between the variables x and y? ABCD