ay we have a sample of 123 cases, with a mean of 46.886 and a standard deviation of 10. We want to test whether our sample mean is different than the...

ay we have a sample of 123 cases, with a mean of 46.886 and a standard deviation of 10.68. We want to test whether our sample mean is different than the population mean of 42. What is your test statistic?

6.031

5.676

5.477

5.074