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 737 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. Class Midpoint Frequency distribution Class 61-64 65-67 Temperature (°F) Frequency 68–69 61-64 32 70 65-67 62 71-72 68–69 191 70 197 73-76 71–72 121 77-80 73–76 88 (Round to one decimal place as needed.) 77-80 46
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 737 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. Class Midpoint Frequency distribution Class 61-64 65-67 Temperature (°F) Frequency 68–69 61-64 32 70 65-67 62 71-72 68–69 191 70 197 73-76 71–72 121 77-80 73–76 88 (Round to one decimal place as needed.) 77-80 46
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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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 737 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.
Class Midpoint
Frequency distribution
Class
61-64
65-67
Temperature (°F)
Frequency
68–69
61-64
32
70
65-67
62
71-72
68-69
191
70
197
73–76
71-72
121
77-80
73–76
88
(Round to one decimal place as needed.)
77-80
46
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