coefficient(CA2)

    Class ages

    Mean and Standard Deviation for 5 Learning Teams in a RES 351 Class.

    Class Average

    Team1Team2Team3Team4Team5

    2435313544

    3134244427

    3024273125

    4722244227

    29242121

    25

    Mean32.228.7526.53830.7531.24

    Sample Stand Deviation8.70057469376.70198975433.08220700159.23579991128.84307638782.2907029197

    Skewness1.6734648219-0.05730306091.4514548206-0.70143484081.7899477294-0.4942367863

    Note that you go to "Insert" then "Function" then "Average"

    to get the formula for the mean.

    For the team standard deviations, do the same thing and then use the STDEV function (standard deviation for a sample)

    For the class total standard deviation, use the STDEVP function, which is for a population.

    Now, try doing the Skewness calculation on your own in the yellow highlighted area.

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