Unit 10 Test REVIEW

Jackson caught 5 fish. The lengths, in inches, of each fish are listed.

7, 12, 7, 22, 19

Which statement best represents the meaning of the range for these data?

• The difference between the shortest and longest fish is 15.

• The length of the next fish caught will most likely be 15 inches.

• The longest fish caught is 14 inches longer than the shortest fish.

• There are an equal number of fish that were both longer and shorter than 15 inches.

Mrs. Thomas organized her students' scores from the data analysis on the dot plot.

Based on the information, which of the following best describes the MODE of the test data?

• 60

• 75

• 80

• 85

Mrs. Shotts organized her student's scores on the following line plot.

Based on this information, which of the following best describes the median student score?

• 75

• 80

• 85

• 90

Which statement best describes the mean of the data listed below?

11, 6, 9, 8, 7, 4, 9, 5, 8, 4, 6

• The middle value of the ordered data set is 7.

• The value that occurs most often in the set is 7.

• The difference between the smallest value and the largest value is 7.

• The sum of all the data values divided by the number of data values is 7.

Look at the data set below. What is the mean of the data set?

10, 7, 5, 2, 13, 11

• 6

• 7

• 8

• 10

Which of the following is not a statistical question?

• How many pets are owned by my aunt?

• How many pets are adopted in a pet store each month?

• How many pets are owned by the individual teachers on the 6th grade hallway?

• How many pets are owned by the individual students in a cheer class?

Which of the following is a statistical question?

• How many letters are in the word Mississippi?

• Where is my favorite vacation spot?

• How many sinks are in my house?

• What are the heights of the students in Coach Taylor's PE class?

A student will ask his classmates one survey question. Which of the following is a statistical question that should result in varied (many) responses?

• What is the length of one mile in inches?

• What is the total number of arms on a starfish?

• What is the total number of faces on a rectangular pyramid?

• What is the typical number of pages in a 6th grade science book?

Use the information and box plot to determine if the statement is True or False.

Central Office publishes its data on 100 public school teachers' salaries as a box plot.

The median salary of public school teachers is $85,000.

• True

• False

• Not enough information

The box and whisker plot shown displays the number of hours 23 student athletes spend exercising during the week.

Which number best describes the range of the data in the box-and-whisker plot?

• 30

• 45

• 70

• 85