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 Lower Limit Upper Limit Days50-59                50                    59            260-69                60                    69          31370-79                 70                    79         141980-89                80                    89         150390-99                90                    99          319100-109            100                  109            9   ​(a) Approximate the mean and standard deviation for temperature.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
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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 Lower Limit Upper Limit Days
50-59                50                    59            2
60-69                60                    69          313
70-79                 70                    79         1419
80-89                80                    89         1503
90-99                90                    99          319
100-109            100                  109            9
 
​(a) Approximate the mean and standard deviation for temperature.
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