Mathematics, 07.04.2020 22:38 eternelle1182

For the given? data, (a) find the test? statistic, (b) find the standardized test? statistic, (c) decide whether the standardized test statistic is in the rejection? region, and? (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent.

?Claim: ?1<?2?, ?=0.010.01.Sample? statistics: x overbar 1 =1210, n 1 =40,x overbar 2 =1190,and .n2=80.

Population? statistics:?1=75 and sigma 2= 120

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