Center of Data

Multiple Choice

The mean is resistant.

• True

• False

Multiple Choice

The median is resistant.

• True

• False

Multiple Choice

Is the mean meaningful for numbers on the jerseys of the starting defense for the Seattle Seahawks?

• Yes

• No

Multiple Choice

Which of the following is always true for a normal distribution?

• mean is greater than the mode

• mode is greater than the mean

• mean, median, and mode are the same

• Has a skewed curve

Multiple Choice

How will a high outlier in a data set affect the mean?

• distribution is skewed left and the mean is pulled to the left

• distribution is skewed right and the mean is pulled right

Fill in the Blank

If a data set has 9 data values, n = 9.

What is the number of degrees of freedom?