Question

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 50-59 60-69 70-79 80-89 90-99 100-109 Days 1 303 1448 1485 535 10 (a) Approximate the mean and standard deviation for temperature. ? = (Round to one decimal place as needed.)

          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 50-59 60-69 70-79 80-89 90-99 100-109
Days 1 303 1448 1485 535 10
(a) Approximate the mean and standard deviation for temperature.
? =
(Round to one decimal place as needed.)

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 50-59 60-69 70-79 80-89 90-99 100-109
Days 1 303 1448 1485 535 10
(a) Approximate the mean and standard deviation for temperature.
? =
(Round to one decimal place as needed.)

Added by Tammy J.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Ahmet Yavas

10/05/2022

Step 1

Given: Midpoints: 54.5, 64.5, 74.5, 84.5, 94.5, 104.5 Frequencies: 303, 1448, 1485, 535, 10 Calculate the sum of (midpoint * frequency) for all classes: (54.5 * 303) + (64.5 * 1448) + (74.5 * 1485) + (84.5 * 535) + (94.5 * 10) = 304559 Calculate the sum of Show more…

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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 50-59 60-69 70-79 80-89 90-99 100-109 Days 1 303 1448 1485 535 10 (a) Approximate the mean and standard deviation for temperature. μ = (Round to one decimal place as needed.)