#4.2 A study was done on proctored and nonproctored tests. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed​ populations, and do not assume that the population standard deviations are equal.   Protored nonproctored u u1 u2 n 34 31 x overbar  75.17 82.06 s 11.01 18.33 test statistic P-Value conclusion of test construct a confidence interval suitable for testing the claim that students taking nonprotored tests get higher mean score than those taking proctored tests  does confidence interval support conclusion

Question

#4.2

A study was done on proctored and nonproctored tests. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed​ populations, and do not assume that the population standard deviations are equal.

  Protored nonproctored
u u1 u2
n 34 31
x overbar  75.17 82.06
s 11.01

18.33

test statistic

P-Value

conclusion of test

construct a confidence interval suitable for testing the claim that students taking nonprotored tests get higher mean score than those taking proctored tests 

does confidence interval support conclusion 

 

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