15. Same based summaries were found as Sample Mean=104
Sample SD= s = 18
At significance level 1%, is there sufficient evidence that the population mean is below 110?
Show the critical value you are using
Evaluate test statistic
State rejection rule that is when the null hypothesis is rejected under specified significance level
Finally what is your decision yes enough evidence or not enough
A group of n=36 engineers was selected for the study of their IQ scores. Researchers assume that individual records are normally distributed with the population standard deviation sigma=
1 answer
1 answer