3.1 Measures of Center

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False

For most data sets that are skewed to the right, the mean is less than the median.

True

A mode is always a value that is in the data set.

Median

The (blank) is a number that splits the data set in half.

Mean

The (blank) is calculated by summing all data values and dividing by how many values there are.

Mode

The (blank) is the value in the data set that appears the most frequently.

False

Every data set contains at least one mode.

False

The mean is resistant.

Extreme Values

The median is resistant if it is not affected much by (blank).

True

The median is resistant.

Symmetric

When a data set is (blank), the mean and median are equal.

Skewed to the right

When a data set is (blank), the mean is often greater than the median.

Skewed to the left

When a data set is (blank), the mean is often less than the median.


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