The number of steps to cover the same distance was measured for 121 randomly chosen people. The sample mean is ī = 3160 steps and the sample standard deviation is s = 632 steps. Assume distribution to be normal. Round your answers to the nearest integer (e.g. 9876). a) Construct a 99% two-sided confidence interval on the mean. i b) Construct a 99% lower confidence bound on the mean. i c) Construct a 99% upper confidence bound on the mean. i

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The number of steps to cover the same distance was measured for 121 randomly chosen people. The sample mean is I = 3160 steps
632 steps. Assume distribution to be normal.
and the sample standard deviation is s
Round your answers to the nearest integer (e.g. 9876).
a) Construct a 99% two-sided confidence interval on the mean.
i
b) Construct a 99% lower confidence bound on the mean.
c) Construct a 99% upper confidence bound on the mean.
Transcribed Image Text:The number of steps to cover the same distance was measured for 121 randomly chosen people. The sample mean is I = 3160 steps 632 steps. Assume distribution to be normal. and the sample standard deviation is s Round your answers to the nearest integer (e.g. 9876). a) Construct a 99% two-sided confidence interval on the mean. i b) Construct a 99% lower confidence bound on the mean. c) Construct a 99% upper confidence bound on the mean.
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