Data and Statistics Quick Check

Employees were asked how many miles they traveled to work each day. The data is shown below in the box plot. The median is ​ (a)   and the IQR is ​ (b)   .

• 35

• 30

• 40

• 20

• 45

Mrs. Hamilton tallies her students test grades in the table below. If ​ (a)   students received an A and ​ (b)   students received a B, what percent of the class recieved an A or a B? ​ (c)  

• 7

• 5

• 40%

• 14

• 30%

• 4%

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.

Greg randomly surveyed 25 students in his school to see if they had ever had an overdue library book. The results are shown in the table. According to the sample, about what percent of the students in the school district have had an overdue library book?

What is the median?

• 62

• 58

• 66

• 60

• 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%