You compute a 95% confidence interval for the mean of a variable X from a large random sample to be [22.64, 45.68]. Knowing only this, what is the sample mean and standard error of X, respectively m(X) and SE(X)? Om(X)=31.82 SE(X)=4.96 m(X)=17.24, SE(X)=10.12 m(X)=34.16, SE(X)=5.88 Om(X)=26.94, SE(X)=8.72

MATLAB: An Introduction with Applications
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You compute a 95% confidence interval for the mean of a variable X from a large random sample to
be [22.64, 45.68]. Knowing only this, what is the sample mean and standard error of X, respectively
m(X) and SE(X)?
m(X)=31.82 SE(X)=4.96
m(X)=17.24, SE(X)=10.12
O m(X)=34.16, SE(X)=5.88
O m(X)=26.94, SE(X)=8.72
Transcribed Image Text:You compute a 95% confidence interval for the mean of a variable X from a large random sample to be [22.64, 45.68]. Knowing only this, what is the sample mean and standard error of X, respectively m(X) and SE(X)? m(X)=31.82 SE(X)=4.96 m(X)=17.24, SE(X)=10.12 O m(X)=34.16, SE(X)=5.88 O m(X)=26.94, SE(X)=8.72
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