Statistics Quiz #1

In the data set {0, 0, 2, 3, 6, 7, 8, 10, 10, 10, 11} 10 is the

• Mean

• Median

• Mode

• Range

In the data set {0, 0, 2, 3, 6, 7, 8, 10, 10, 10, 11} 7 is the

• Mean

• Median

• Mode

• Range

In the data set {0, 0, 2, 3, 6, 7, 8, 10, 10, 10, 11} 11 is the

• Mean

• Median

• Mode

• Range

Standard deviation is the squared root of the variance

• True

• False

Standard deviation is the variance squared

• True

• False

In the data set {0, 0, 2, 3, 6, 7, 8, 10, 10, 10, 11} find the variance. Round to the nearest hundredth if necessary

• 15.91

• 3.99

• 3.54

• 6.09

In the data set {0, 0, 2, 3, 6, 7, 8, 10, 10, 10, 11} find the standard deviation. Round to the nearest hundredth if necessary

• 15.91

• 3.99

• 3.54

• 6.09

In the data set {0, 0, 2, 3, 6, 7, 8, 10, 10, 10, 11} find the MAD. Round to the nearest hundredth if necessary

• 15.91

• 3.99

• 3.54

• 6.09

In the data set {0, 0, 2, 3, 6, 7, 8, 10, 10, 10, 11} find the mean. Round to the nearest hundredth if necessary

• 15.91

• 3.99

• 3.54

• 6.09

If students need at least a 71 to pass the test, what percentage of students failed the test?

• 7%

• 26%

• 78.8%

• 21.2%