Question
Suppose I estimate μ, the mean of a population. I obtain estimate 6.5 and 95% confidence...
Suppose I estimate μ, the mean of a population. I obtain estimate 6.5 and 95% confidence interval (4.5, 8.5).
A) Can I reject H0 : μ = 8 using at two-sided test at the 1% significance level?
a) Yes.
b) No.
c) Not enough information to decide.
B) Can I reject H0 : μ = 8 using at two-sided test at the 1% significance level?
a) Yes.
b) No.
c) Not enough information to decide.
C) Can I reject H0 : μ = 8 using at two-sided test at the 1% significance level?
a) Yes.
b) No.
c) Not enough information to decide.
D) Can I reject H0 : μ = 8 using at two-sided test at the 1% significance level?
a) Yes.
b) No.
c) Not enough information to decide.
Homework Answers
Answer #1
or
As mu=8 included in 95% confidence interval.
As confidence level increase, confidence interval wider.
In short 99% confidence interval wider thatn 95% confidence interval for same data.
Hence Ho: mu=8
Cant rejected...
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