Multiple Choice
Assume that the national credit card interest rate is 12.83 percent.A study of 62 college students finds that their average interest rate is 14 percent with a standard deviation of 9.3 percent.What is the 95 percent confidence interval for this single-sample t test?
A) [10.47, 15.19]
B) [11.64, 16.36]
C) [12.99, 15.01]
D) [6.94, 11.66]
Correct Answer:
Verified
Correct Answer:
Verified
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