QUESTION The number of degrees of freedom in a difflerence of two means test dep

Question

QUESTION The number of degrees of freedom in a difflerence of two means test depends not only on the sample sizes, but also on the sample standard deviations False QUESTION2 The individual standard deviations of the samples are imelevant when computing the test statistic in a matched pairs test False QUESTION3 The primary difference between a matched pairs test and a diference of two means test is that the matched pairs test uses Z for the test statistic while the difference of two means test uses t for the test statistic False QUESTION Larger differences between sample means will lead to us being more ikely to reject the null hypothesis in both a matched pairs and difference of two means test, hoilding all other values constant QUESTION 5 Reversing the order of subtraction for the samples in a diffierence of two means test could lead us to a different conclusion QUESTION A matched pairs test can be used to show that the treatment or training causes a significant diffilerence in the means of the False The data in each individual sample of a matched pairs test must be approximately normally distributed in order to run the False QUESTION Side-by-side boxplots can be used to take a preliminary look at the data in a difference of two means test False QUESTION Two population means can be deemed significantly diffierent if a confidence interval does not contain O QUESTION 10 The samples in a matched pairs test are independent because the same set of subjects are used for both the before and False

Explanation / Answer

1. Degree of freedom is each of a number of independently variable factors affecting the range of states in which a system may exist, in particular any of the directions in which independent motion can occur. Hence it doesn't depend on standard deviation.

So answer is False

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