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Often, frequency distributions are reported using unequal class widths because the frequencies of some groups would otherwise be small or very large. Consider the following data, which represent the daytime household temperature the thermostat is set to when someone is home for a random sample of 748 households. Determine the class midpoint, if necessary, for each class and approximate the mean and standard deviation temperature. E Click the icon to view the frequency distribution for the daytime household temperature. Frequency distribution Temperature (°F) Frequency D 61–64 34 65–67 66 68–69 194 70 191 71-72 125 73–76 90 77-80 48

Often, frequency distributions are reported using unequal class widths because the frequencies of some groups would otherwise be small or very large. Consider the following data, which represent the daytime household temperature the thermostat is set to when someone is home for a random sample of 748 households. Determine the class midpoint, if necessary, for each class and approximate the mean and standard deviation temperature. E Click the icon to view the frequency distribution for the daytime household temperature. Frequency distribution Temperature (°F) Frequency D 61–64 34 65–67 66 68–69 194 70 191 71-72 125 73–76 90 77-80 48

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The sample standard deviation is |°F. (Round to one decimal place as needed.)
Transcribed Image Text:The sample standard deviation is |°F. (Round to one decimal place as needed.)
Often, frequency distributions are reported using unequal class widths because the frequencies of some groups would otherwise be small or very large. Consider the following data, which represent the daytime household temperature the thermostat is set to when someone is home for a random sample of 748 households. Determine the class midpoint, if necessary, for each class and approximate the mean and standard deviation temperature. Click the icon to view the frequency distribution for the daytime household temperature. Frequency distribution Temperature (°F) Frequency 61-64 34 65-67 66 68–69 194 70 191 71-72 125 73–76 90 77-80 48
Transcribed Image Text:Often, frequency distributions are reported using unequal class widths because the frequencies of some groups would otherwise be small or very large. Consider the following data, which represent the daytime household temperature the thermostat is set to when someone is home for a random sample of 748 households. Determine the class midpoint, if necessary, for each class and approximate the mean and standard deviation temperature. Click the icon to view the frequency distribution for the daytime household temperature. Frequency distribution Temperature (°F) Frequency 61-64 34 65-67 66 68–69 194 70 191 71-72 125 73–76 90 77-80 48
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