Statistics and Probability

Question 1

Where is the gap?

Accepted Answer

13.0 to 13.2

Question 2

Is this a statistical question? You ask the office for the total number of students at HMS.

Accepted Answer

NO - There is only one answer

Question 3

Find the median 6, 50, 42, 20, 7, 18

Accepted Answer

19

Question 4

Find the mean of the data: 5, 6, 4, 24, 18

Accepted Answer

11.4

Question 5

Which numbers represents the cluster?

Accepted Answer

13.5 to 13.9

Question 6

Which number represents the peak?

Accepted Answer

13.8

Question 7

Find the mode(s) of the data represented in the chart below.

Accepted Answer

Singing

Question 8

Joe's scores are 81, 90, & 92. What does he need to score on his 4th test to get a mean of 87?

Accepted Answer

85

Question 9

It represents the middle value or the mean of the two middle values.

Accepted Answer

Median

Question 10

Find the range of the data: 5, 6, 4, 24, 18

Accepted Answer

20

Question 11

Sean has the following data: 2, 12, 14, 18, y. If the median is 12, which number(s) could y be?

Accepted Answer

5

Question 12

Test scores are 79, 87, 91, and 88. What is your 5th test score if the mean is 90?

Accepted Answer

105

Question 13

Find the median of the data: 5, 6, 4, 24, 18

Accepted Answer

6

Question 14

Is this a statistical question? You survey 50 students at HMS on how many of them play sports.

Accepted Answer

YES - They can play more than one sport

Question 15

The value or values that occur most often.

Accepted Answer

Mode

Question 16

This is the sum of the data divided by the number of data values.

Accepted Answer

Mean

Questions 16