Product xf Life of bulb Midpoint Frequency f (hours) -0.5-499.5 249.5 499 499.5-999.5 749.5 11 8,244.5 999.5-1,499.5 1,249.5 13 16,243.5 1,499.5-1,999.5 1,749.5 16 27,992 1,999.5-2,499.5 2,249.5 28...

The life expectancy of a fluorescent light bulb is given by the number of hours that it will burn. From the following frequency distribution, find the sample standard deviation s (in h). (Use the mean value 2,220.6 h to calculate the sample standard deviation rounded to the nearest whole number.)Product<br>xf<br>Life of bulb<br>Midpoint<br>Frequency<br>f<br>(hours)<br>-0.5-499.5<br>249.5<br>499<br>499.5-999.5<br>749.5<br>11<br>8,244.5<br>999.5-1,499.5<br>1,249.5<br>13<br>16,243.5<br>1,499.5-1,999.5<br>1,749.5<br>16<br>27,992<br>1,999.5-2,499.5<br>2,249.5<br>28<br>62,986<br>2,499.5-2,999.5<br>2,749.5<br>32<br>87,984<br>2,999.5-3,499.5<br>3,249.5<br>13<br>42,243.5<br>3,499.5-3,999.5<br>3,749.5<br>22,497<br>S =<br>

Extracted text: Product xf Life of bulb Midpoint Frequency f (hours) -0.5-499.5 249.5 499 499.5-999.5 749.5 11 8,244.5 999.5-1,499.5 1,249.5 13 16,243.5 1,499.5-1,999.5 1,749.5 16 27,992 1,999.5-2,499.5 2,249.5 28 62,986 2,499.5-2,999.5 2,749.5 32 87,984 2,999.5-3,499.5 3,249.5 13 42,243.5 3,499.5-3,999.5 3,749.5 22,497 S =

Jun 02, 2022
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