NeSA NeSA Data Analysis & Statistics

Question 1

A set of test scores is: 72, 85, 90, 68, 85, 92, 75. What is the mode?

Accepted Answer

85

Answer

72

Answer

90

Answer

75

Question 2

What is the median of the data set: 4, 7, 9, 12, 15?

Accepted Answer

9

Answer

7

Answer

10.5

Answer

12

Question 3

A bar graph shows that 15 students chose math, 10 chose science, and 5 chose art. What fraction of students chose art?

Accepted Answer

1/6

Answer

1/5

Answer

1/4

Answer

1/3

Question 4

What type of graph is best for showing how data changes over time?

Accepted Answer

Line graph

Answer

Bar graph

Answer

Pie chart

Answer

Pictograph

Question 5

A NeSA student's scores on 4 practice tests are 80, 90, 70, and 100. What is the mean score?

Accepted Answer

85

Answer

82

Answer

84

Answer

90

Question 6

What is the range of the data set: 14, 22, 8, 35, 19?

Accepted Answer

27

Answer

19

Answer

21

Answer

35

A set of test scores is: 72, 85, 90, 68, 85, 92, 75.What is the mode?