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StatisticsQ&A Library#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 conclusionStart your trial now! First week only $4.99!*arrow_forward*

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#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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