A 95% confidence interval from a sample of size 200
A) 1.645
B) 1.969
C) 1.973
D) 1.960
E) 1.653
Correct Answer:
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Q1: An 80% confidence interval from a sample
Q2: 80% confidence interval with df = 11
A)1.280
B)1.372
C)2.718
D)1.356
E)1.363
Q3: 90% confidence interval with df = 4
A)2.353
B)1.645
C)4.604
D)2.132
E)1.533
Q4: A 99% confidence interval from a sample
Q5: Consider a right skewed distribution.What is the
Q7: A 90% confidence interval from a sample
Q8: A 99% confidence interval from a sample
Q9: 99% confidence interval with df = 24
A)1.711
B)2.779
C)2.492
D)2.807
E)2.797
Q10: 95% confidence interval with df = 15
A)2.131
B)2.120
C)2.145
D)1.753
E)1.960
Q11: What is the parameter for the t-distribution?
A)The
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