. A random sample of 25 statistics examinations was selected. The average score in the sample was 79 with a variance of
Posted: Mon Nov 15, 2021 10:41 am
. A random sample of 25 statistics examinations was selected. The average score in the sample was 79 with a variance of 121. Assuming the scores are normally distributed, the 99% confidence interval for the population average examination score is a 73.52 to 8448 b. 72.85 to 85.15 c. 73.33 to 84,67 d. 73.88 to 34 12 OOO