Mean, Median, Mode, Range and Creating and Interpreting Line Plots

Which of the following is a measure of central tendency?

• Standard deviation

• Variance

• Mean

• Range

Why can the mean and median be different?

• Because the data set is symmetric.

• Because the data set has outliers.

• Because the data set has no variation.

• Because the data set is uniform.

In the given example, what is the outlier value?

• 2.8

• 4.9

• 8.7

• 0.7

What does central tendency refer to?

• The spread of data

• The variability of data

• Where the data is centered

• The range of data

Which of the following is NOT a measure of central tendency?

• Mean

• Median

• Mode

• Range

What is the mean of a data set?

• The total of all the values divided by the size of the data set

• The middle value of the data set

• The most frequently occurring value in the data set

• The difference between the highest and lowest values in the data set

Which of the following is the most commonly used statistic of position?

• Mean

• Median

• Mode

• Range

What is the mean of a sample denoted by?

• x-bar

• μ

• σ

• n

What is the mean of a population denoted by?

• μ

• x-bar

• σ

• n

When does the mean work well?

• When the distribution is symmetric and there are no outliers

• When the distribution is skewed

• When there are many outliers

• When the data set is very small