Question: I keep getting 0.52 for the t????? can you help me? I did (12-11.5)/(2)/ square root of 16 and still getting it wrong? A random

I keep getting 0.52 for the t????? can you help me? I did (12-11.5)/(2)/ square root of 16 and still getting it wrong?

A random sample of16values is drawn from a mound-shaped and symmetric distribution. The sample mean is12and the sample standard deviation is 2. Use a level of significance of 0.05 to conduct a two-tailed test of the claim that the population mean is11.5

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