Solution Assig# 1w 08

# Solution Assig# 1w 08 - SOLUTIONS are in RED Solution to...

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in RED Solution to Individual Assignment #1 Winter 2008 Question -1 A) The weights (in pounds) of a sample of 36 individuals were recorded and the following statistics were calculated. Mean = 160, Mode = 175, Median = 170 Range = 60 and Variance =324. a) Comment on the shape of the distribution. Comparing measures of central locations; Since Mode > Median>Mean => the dist is skewed to the left B) Based on the following sample data on X; weight gain in pounds: X 5 3 7 9 2 4 6 8 Mean =5.5 and Std = 2.449 b) Comparing dist A with dist. B which distribution has less variation(more consistency)? c) Using Coefficient of relative variation d) CRVa= 18/160*(100)=11.25% CRVb=2.449/5.5*(100)=44.53%. Dist A has less variation. Question-2 The following data are the 3-years annualized % investment returns by the 25 sample funds: 16.5 14.3 14.3 13.9 13.8 11.2 11.1 10.8 11.1 13.1 12.8 12.1 12.0 11.8 10.8 10.7 10.8 11.6 11.4 11.3 11.3 11.2 10.8 10.6 10.6. (Note:

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Solution Assig# 1w 08 - SOLUTIONS are in RED Solution to...

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