One frightened the standard deviation of the scores part 2 what percentage of the scars are within 1 standard deviation of the mean plus 1 please include the range of the values for this deviation and the exact values from the dataset letter included in this range part 3 what percentage of the scores are within tuesday under deviations of the mean plus 2 part 4 does the status fit the model of the normal distribution why or why not

A) Part 2: Approximately 68% of the scores fall within 1 standard deviation.
B) Part 3: Approximately 95% of the scores fall within 2 standard deviations.
C) Part 4: The data fits the normal distribution because of the empirical rule.
D) Part 1: Calculate the standard deviation of the scores.