Question 1

The mean is also referred to as the...

Accepted Answer

average

Answer

minimum

Answer

range

Answer

maximum

Question 2

What is the formula for calculating the mean?

Accepted Answer

sum of data points divided by number of data points

Answer

sum of data points minus number of data points

Answer

sum of data points multiplied by number of data points

Answer

sum of data points plus number of data points

Question 3

What is the mean of the data set: 3, 5, 2, 7, 4?

Accepted Answer

4.2

Answer

4.8

Answer

4.4

Answer

4.0

Question 4

If a data set has an even number of data points, how is the mean calculated?

Accepted Answer

the average of the two middle values

Answer

the sum of all data points

Answer

the median value

Answer

the mode value

Question 5

John's test scores are listed below.

0, 75, 80, 90, 90

If he drops the lowest score, which statement below is FALSE?

Accepted Answer

The mean will remain the same

Answer

The median will increase

Answer

The mode will remain the same

Answer

The range will decrease

Question 6

Izzy recorded the high temperature in her town each day for 7 days.

If she records a temperature of 93⁰F on day 8, which statement about her data would be correct?

Accepted Answer

The median will decrease.

Answer

The median will increase.

Answer

The mode will increase.

Answer

The mode will decrease.

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