State Test Practice Data Analysis & Statistics

Question 1

What is the mean of the following data set: 4, 8, 6, 10, 12?

Accepted Answer

8

Answer

6

Answer

10

Answer

12

Question 2

In a bar graph showing student test scores, what does the tallest bar represent?

Accepted Answer

The most frequent score

Answer

The lowest score

Answer

The average score

Answer

The median score

Question 3

What is the mode of the following data set: 3, 7, 7, 9, 15?

Accepted Answer

7

Answer

3

Answer

9

Answer

15

Question 4

What does the median represent in a data set?

Accepted Answer

The middle value when data is ordered

Answer

The most frequently occurring value

Answer

The average of all values

Answer

The difference between the highest and lowest values

Question 5

Which type of graph is best used to show changes over time?

Accepted Answer

Line graph

Answer

Pie chart

Answer

Bar graph

Answer

Stem-and-leaf plot

Question 6

What is the range of the following data set: 5, 12, 3, 19, 8?

Accepted Answer

16

Answer

8

Answer

14

Answer

19

Question 7

A pie chart is most useful for displaying which type of information?

Accepted Answer

How individual parts contribute to a whole

Answer

Changes in data over time

Answer

The distribution of individual data points

Answer

The relationship between two separate variables