The scores on a test from an entire class (ie. entire population) are listed below. Find the mean and standard deviation of the scores. Then determine what percent of the data is within 1 standard deviation of the mean.

71 72 71 82 79 65

77 71 73 78 75

The mean is74.

(Simplify your answer.)

The standard deviation is__________

(Simplify your answer. Round to the nearest tenth.)

____________% of the data is within 1 standard deviation of the mean.

(Simplify your answer. Round to the nearest percent as needed.)