Choose the best Measure of Center

Which number from the data set 1, 1, 1, 2, 2, 3, 4, 5, 5, and 25 is an outlier?

Which measure of center best represents this set of data?
12, 13, 11, 16, 31, 14, 10, 15

• Mean
• median
• mode

The salary of the employees in the office were $15,000; $18,000; $16,000; $14,000; $90,000; and $17,000.  What is the best measure of the central tendency of the salaries?

• Mean
• Median
• Mode
• Range

What measure of center is best to use when we have outliers?

• mean

• median

• mode

• range

When analyzing numerical data, the best measure of center with NO outlier is:

• mean

• median

• mode

• range

For a dataset with a skewed distribution, which measure of central tendency is most appropriate?

• Mean

• Median

• Mode

• Range

Which measure of central tendency is least affected by extreme values in a data set?

• Mean

• Median

• Mode

• Range

In a dataset with multiple modes, which measure of central tendency can still be accurately determined?

• Mean

• Median

• Mode

• Range

For a perfectly symmetrical distribution of data, which measures of central tendency are equal?

• Mean

• Median

• Both Mean and Median

Which measure of central tendency is most affected by outliers in a dataset?

• Mean

• Median

• Mode

• Range