Construct a 95 percent lower confidence interval estimate

Reference no: EM13902097

The following are scores on IQ tests of a random sample of 18 students at a large eastern university.

130, 122, 119, 142, 136, 127, 120, 152, 141,
132, 127, 118, 150, 141, 133, 137, 129, 142

(a) Construct a 95 percent confidence interval estimate of the average IQ score of all students at the university.

(b) Construct a 95 percent lower confidence interval estimate.

Reference no: EM13902097

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