Is there a statistically significant difference between the bowling averages of male nurses and those of businessmen, if last year's league play produced the following data: 10 male nurses averaged 180 with s=10 and 15 businessmen averaged 170 with s=10. Use level of significance of 5%.
S1 = 10 , n1 = 10 and Mean(1) = 180
S2 = 10 , n2 = 15 and Mean (2) = 170
H0 : µ1 = µ2 and there is ...
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