2. The SAT scores for 12 randomly selected senior high school students are: 1221 1342 1298 987 786 1439 671 1299 1020 1380 889 1157 a.) sample mean = b.) s²= c.) s = d.) Are the SAT scores normally distributed (Explain Why)? YES or NO e.) Construct and interpret a 95% confidence interval for the mean SAT score.
2. The SAT scores for 12 randomly selected senior high school students are: 1221 1342 1298 987 786 1439 671 1299 1020 1380 889 1157 a.) sample mean = b.) s²= c.) s = d.) Are the SAT scores normally distributed (Explain Why)? YES or NO e.) Construct and interpret a 95% confidence interval for the mean SAT score.
Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)
14th Edition
ISBN:9781305506381
Author:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Publisher:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Chapter4A: Problems In Applying The Linear Regression Model
Section: Chapter Questions
Problem 5E
Related questions
Question
Transcribed Image Text:2. The SAT scores for 12 randomly selected senior high school students are:
1221
1342
1298
987
786 1439
671 1299 1020 1380
889 1157
a.) sample mean =
b.) s²=
c.) s =
d.) Are the SAT scores normally distributed (Explain Why)? YES or NO
e.) Construct and interpret a 95% confidence interval for the mean SAT score.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
Recommended textbooks for you
Managerial Economics: Applications, Strategies an…
Economics
ISBN:
9781305506381
Author:
James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Publisher:
Cengage Learning
Managerial Economics: Applications, Strategies an…
Economics
ISBN:
9781305506381
Author:
James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Publisher:
Cengage Learning
