QUESTION 21 2 poin Sigma xbar 1: Suppose that a normal population has a standard deviation of 14.01. If a sample of size 41 were taken, what would be the value of the standard deviation of the sampling distribution of the sample mean? Round to three decimal places QUESTION 22 2 points Ch7 inverse norm 5: The population of American IQ scores are normally distributed with a mean of 95 and a standard deviation of 18. If a random sample of 225 American IQ scores are selected, what sample average score would be the 33rd percentile for all such sample averages? Round to the nearest tenth. QUESTION 23 2 point FITB 8