Review of Measure of Central Tendency

Front

What is the mode of the following set of numbers: 12, 10, 10, 10, 13, 12, 11, 13, 10?

Back

10

Front

The ______ of a numerical set of data is the value that occurs most frequently.

Back

mode

Front

The ______ is the average of a set of data, calculated by dividing the sum by the number of the data points.

Back

mean

Front

What is the mean of the heights: 158cm, 172cm, 164cm, 162cm, 169cm, 159cm?

Back

164 cm

Front

The ______ of a numerical set of data is the middle number when the numbers are written in numerical order.

Back

median

Front

What is the formula to calculate the mean of a data set?

Back

Mean = (Sum of all data points) / (Number of data points)

Front

If the data set is 5, 7, 8, 9, 10, what is the median?

Back

8

Front

In a data set, if all numbers occur with the same frequency, what is the mode?

Back

No Mode

Front

What is the range of the following set of numbers: 3, 7, 2, 9, 5?

Back

7 (Range = Maximum - Minimum = 9 - 2)

Front

If a data set has the numbers 4, 4, 6, 8, 8, 8, what is the mode?

Back

8