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Ullen frequency distributions are reported using unequal class widths because the frequencies of some groups...

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Ullen 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 728 households Determine the class midpoint if necessary for each class and approximate the m and standard deviation temperature Click the icon to view the frequency distribution for the daytime household temperature Class 61 64 65 67 68 69 70 71 72 Class Midpoint 73 76 77 80 Round to one decimal place as needed SCLER Frequency distribution Temperature F 61 64 65 67 68 69 70 71 72 73 76 77 80 Print Frequency 32 61 190 190 117 84 54 Done X

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