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 305 1448 1509 346 14 (a) Approximate the mean and standard deviation for temperature. °F (Round to one decimal place as needed.)

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