Question: Will each of the following increase, decrease, or have no effect on the value of a test statistic for the one-sample z test? 1. The

Will each of the following increase, decrease, or have no effect on the value of a test statistic for the one-sample z test?

1. The sample size is increased.

2. The sample variance is doubled.

3. The population variance is decreased.

4. The difference between the sample mean and population mean is decreased.

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