Basic Statistics Algebra II

Which type of numerical data set can be counted in a finite matter?

• Categorical data set

• Continuous data

• Discrete data

• NONE OF THE ABOVE

Which of the following is the other term used for average?

• Mean  

• Median

• Mode

• Range

What do you call with the middle number in a data set when the numbers are arranged in descending order?

• Mean  

• Median

• Mode

• Range

Which of the following is the number that occurs most often in a data set?

• Mean  

• Median

• Mode

• Range

The mean of the data set 4, 7, 6, 3, 5 is:

• 4

• 5

• 6

• 7

Answer explanation

To find the mean, add all the numbers: 4 + 7 + 6 + 3 + 5 = 25. Then divide by the number of values (5): 25 / 5 = 5. Thus, the mean of the data set is 5.

What is the median of the data?

• 10

• 12

• 13

• 14

• 18

The median of the data set 2, 4, 7, 9, 11 is:

• 4

• 7

• 9

• 11

If the mean of the data set 4, 8, 6, 5, x is 6, what is the value of x?

• 7

• 6

• 5

• 4

The mean of the data set 4, 8, 6, 3, 5 is:

• 4

• 5

• 6

• 7

Find the median test score.

• 7

• 87

• 85

• 90