7 Statistics and Probability Quiz

Question 1

88,89,91,93,90,78,80,94,95,79. If the data set is increased by 5, what will be the same?

Accepted Answer

The Inter quartile Range

Question 2

What is the mean of this data set? 39, 29 ,60 ,29 ,45.

Accepted Answer

40.4

Question 3

What is the difference in the mean of these 2 sets of numbers? 14,29,63,71 and 53,62,99,11

Accepted Answer

12

Question 4

Find the set of numbers that match this dot plot.

Accepted Answer

15, 17, 17, 17, 19

Question 5

If the highest value is removed from the graph, what statement is true?

Accepted Answer

If the highest value is removed, the median would be 53

Question 6

8, 9, 8.5, 9.5, 12, 8.5, 11.5, 10.5, 10. What statement(s) accurately describe the data?

Accepted Answer

The mode is 8.5

Question 7

What is the Inter-Quartile Range of this data set? 55, 42, 19, 34.

Accepted Answer

22

Question 8

What is the mean absolute deviation of this data set? 54, 66, 72, 88.

Accepted Answer

10

Question 9

What is the median of this data set? 72, 32, 39, 96?

Accepted Answer

55.5

Question 10

What is the mean of this data set? 95, 73, 40, 22, 81.

Accepted Answer

62.2

Questions 10