Measures of Central Tendency Quiz

What are the three measures of central tendency?

• Median, Mode, Standard Deviation

• Mean, Median, Mode

• Average, Median, Range

• Mean, Mode, Variance

What does the mean represent in a data set?

• The highest value in the data set

• The average of all data values

• The middle value when arranged in order

• The most frequently occurring value

How is the median defined?

• The average of all data values

• The value that occurs most often

• The middle value in a ranked data set

• The sum of all values divided by the number of values

In the example of the college biology class, what was the mean score?

• 75%

• 48%

• 100%

• 68%

What is the mode of the following data set: 89, 45, 78, 76, 73, 98, 73, 92, 88, 73, 100, 51, 64, 80, 95?

• 73

• 76

• 89

• 100

What is the median of the following data set: 5.7, 3.4, 7.8, 9.2, 3.8, 1.6?

• 4.6

• 5.7

• 3.8

• 3.4

If a data set has two modes, it is referred to as what?

• Multimodal

• Bimodal

• Trivial

• Unimodal

What is the average score of the instructor evaluation in the example provided?

• 5

• 3

• 4

• 3.6

What is the first step in calculating the mean?

• Rank the data items

• Count the number of data items

• Sum all data values

• Identify the mode

In the example of the runner's distances, what was the median distance?

• 15.5 km

• 16 km

• 15 km

• 17 km