Answer (Choose 1 answer)
A A sample of 25 randomly selected students has a mean test score of 81.5 with a standard deviation of 10.2.Construct a 95% confidence interval for the population mean. Assume the population has a normal distribution.
Let to.025,242.06
A. None of the other choices is correct
Β. (56.12, 78.34)
C. (77.30; 85.70)
D. (66.35, 69.89)
Ε. (87.12. 98.32)
Exit 49
