A student measures the temperatures on 9 days in a row, all in degrees Fahrenheit, and lists

Question:

A student measures the temperatures on 9 days in a row, all in degrees Fahrenheit, and lists them from smallest to largest:
40, 60, 60, 67, 67, 67, 68, 68, 69
Then she constructs a frequency histogram (see Fig. 100) and concludes that the is symmetric.

a. Explain why the student€™s histogram is incorrect and construct a correct one.
b. Is the student correct that the distribution is symmetric? Explain.
c. For the horizontal axis of a histogram, is it important that the numbers increase by an equal amount and be equally spaced? Explain.

Distribution
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