Problem 15E
The following MINITAB output presents a confidence interval for a population mean, but some of the numbers got smudged and are now illegible. Fill in the missing numbers for (a), (b), and (c).
OneSample 
T:X 




Variable 
N 
Mean 
StDev 
SE Mean 
99%CI 
X 
20 
2.39374 
(a) 
0.52640 
((b),(c)) 
Lecture 8: Introduction to Inference and Understanding Sampling Distributions 9.1 Parameters, Statistics, and Statistical Inference  Some distinctions to keep in mind: ▯ Population versus Sample ▯ Parameter versus Statistic  Population: Parameter, population proportion, population mean  Sample: Sample mean, sample proportion, statistic Statistical Inference:  the use of sample data to make judgments or decisions about populations. Confidence Interval Estimation:  A confidence interval is a range of values that the researcher is fairly confident will cover the true, unknown value of the p