The following data represent the high-temperature distribution for a summer month in a city for some of the last 130 years. Treat the data as a population. Complete parts (a) through (c). Temperature (°F) 50-59 60-69 70-79 80-89 90-99 100-109 Days 50 315 1448 1517 331 11 (a) Approximate the mean and standard deviation for temperature. u= 80.2 °F (Round to one decimal place as needed.) o = 8 °F (Round to one decimal place as needed.) (b) Draw a frequency histogram of the data to verify that the distribution is bell shaped. Construct a frequency histogram. Choose the correct graph below. O目 AFrequency 1750 0- 50 110 Temperature (deg F) 110 Temperature (deg F) 50 Temperature (deg F) 110 110 Temperature (deg F) Is the distribution bell shaped? A. Yes, the frequency histogram of the data is bell shaped. O B. No, the frequency histogram of the data is uniform. OC. No, the frequency histogram of the data is skewed left. O D. No, the frequency histogram of the data is skewed right. (c) According to the Empirical Rule, 95% of days in the month will be between what two temperatures? °F and F (Round to one decimal place as needed. Use ascending order.) °F

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