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The following table shows the frequency distribution for the golf

The following table shows the frequency distribution for the golf scores recorded during the 2012 Masters tournament:

Score Frequency

278â€“282 ....... 6

283â€“287 ....... 12

288â€“292 ....... 21

293â€“297 ....... 16

298â€“302 ....... 6

303â€“307 ....... 1

a. Calculate the approximate average golf score for the tournament.

b. Calculate the approximate variance and standard deviation for the tournament.

Score Frequency

278â€“282 ....... 6

283â€“287 ....... 12

288â€“292 ....... 21

293â€“297 ....... 16

298â€“302 ....... 6

303â€“307 ....... 1

a. Calculate the approximate average golf score for the tournament.

b. Calculate the approximate variance and standard deviation for the tournament.

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