Question: Find the mean, variance, and standard deviation. Class Boundaries Frequency ( f Correct ) Midpoints ( x Correct ) fx Correct fx Correct 4.5 -

Find the mean, variance, and standard deviation. Class Boundaries Frequency ( f Correct ) Midpoints ( x Correct ) fx Correct fx Correct 4.5 - 7.5 9 6 Correct 54 Correct 324 Correct 7.5 - 10.5 13 9 Correct 117 Correct 1053 Correct 10.5 - 13.5 6 12 Correct 72 Correct 864 Correct 13.5 - 16.5 1 15 Correct 15 Correct 225 Correct f Correct = 29 Correct fx Correct = 258 Correct fx Correct = 2466 Correct Round to Two Decimal Places Mean: x Correct 8.9 Correct Round to Two Decimal Places Variance: s Correct Round to Two Decimal Places Standard Deviation: s Correct f) What will be best for the center (Mean or Median)? Please explain

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