Guide :High School

A proposed null hypothesis states that there is no difference between the mean weights of the population of two neighboring districts. The sample mean

A proposed null hypothesis states that there is no difference between the mean weights of the population of two neighboring districts. The sample mean difference is 12 kilograms, and the standard devi
This is a matter of hypothesis testing.Null hypothesis: no difference between the mean weights of the population of two neighboring districtsIt is important to know the decision rule. At which condition do we reject or accept null hypothesis. Example is If p value < significance level, reject null hypothesis.We then can use the z-statistic. It's best to choose the higher confidence level to account for other results, bias and errors thus, we choose either B or C to be confident in that range of our values. ...

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