PLEASE ANSWER ALL OF THE PARTS
e) Calculate the standard deviation (S) using your graphing calculator. (5 points) Hint: Also verify that the mean you calculated in part e matches the mean from the calculator. Standard deviation- f) Determine the range of variation: (2 points each, (x s, x+s) -( Round your answers to 2 decimal places as needed g) Calculate what percent of the data values are within one standard deviation of the mean. Hint: Create a histogram on paper andshade the included regions on your histogram to help visualize the shaded area and help with calculations. Total area of shaded region- (4 points) Round your answer to 2 decimal places as needed. Percent of area within one standard deviation Round your answer to 2 decimal places as needed 9% 3 points
Homework Answers
(e) Standard deviation = S = 2.05
(f) Range of variation = (1.11, 5.21).
(g) Total area of shaded region = 27/50 =
0.54
Percent of area within one standard deviation =
54%
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