Chapter 2 Introduction to Statistics

Which of the following is an example of numerical data?

• Favorite color of Grade 7 Students

• Weight of Grade 7 Students

Ms. Moss did a survey of her class about how many books they read over the summer. Using the dot plot, identify the correct statements.

• More of her students have read more than 4 books than the number of students who read less than 3 books.

• Ms. Moss surveyed 20 students.

• Half of the students have read more than 1 book.

• Most of the students have read at least 1 book.

• A

• B

• C

• D

Which pet was chosen by 6 people?

• Cat

• Goldfish

• Hamster

• Snake

A value that lies outside most of the other values in a set of data. This could mean it is much smaller or much larger than the other values.

• Variance

• Frequency

• Outlier

• Central Tendency

• Range

A spinner is divided into four colors, but not equally. Shannon spun the spinner 500 times. The number of times the spinner landed on each of the four colors is shown in the table.

Which is the most likely the probability of the spinner landing on red?

• 17%

• 21%

• 29%

• 33%

A store sells loaves of bread. The table below shows the number of loaves of bread sold each day for a week. What is the difference between the mean and median number of loaves of bread sold?

• 8

• 12

• 19

• 25

How many more people liked goldfish than snakes?

• 6

• 3

• 5

• 4

Find the Minimum

• 98

• 85

• 68

• 93