Statistics Questions

The mean of the distribution is 23 and the standard deviation is 0.3. Give the score three standard deviations below the mean.

• A.) 22.7

• B.) 22.4

• C) 22.1

• D.) 23.3

Answer explanation

C.) 22.1

The mean of the distribution is 67 and the standard deviation is 2. How many standard deviations below the mean is 61?

• A.) 2

• B.) 1

• C) 3

• D.) 4

Answer explanation

C.) 3

The mean of the distribution is 23 and the standard deviation is 0.3. Give the score one standard deviation above the mean.

• A.) 22.7

• B.) 22.4

• C) 22.1

• D.) 23.3

Answer explanation

D.) 23.3

The mean of the distribution is 67 and the standard deviation is 2. How many standard deviations above the mean is 73?

• A.) 2

• B.) 1

• C) 3

• D.) 4

Answer explanation

C.) 3

The mean of the distribution is 67 and the standard deviation is 2. Give the score two standard deviations above the mean.

• A.) 22.7

• B.) 23.6

• C) 22.1

• D.) 23.3

Answer explanation

B.) 23.6