Question: a. State an approximate value for the mean height by looking at the graph. b. Here is a proposed method for finding an approximation for

a. State an approximate value for the mean height by looking at the graph.
b. Here is a proposed method for finding an approximation for the standard deviation based on the histogram: Find the approximate range and divide by 6. This method comes from the idea that nearly all the data should be within 3 standard deviations of the mean. Use this method to find an approximate standard deviation.

80 70 60 50 40 30 20 10 56 58 60 62 64 66 68 70 72 74 76 78 Height (inches)

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