Mathematics, 02.04.2021 23:10 cvbnkifdfg

Six measurements are taken of the thickness of a piece of 18-gauge sheet metal. The measurements (in mm) are: 1.316, 1.308, 1.321, 1.303, 1.311, and 1.310. Six independent measurements are taken of the thickness of another piece of sheet metal. The measurements this time are: 1.317, 1.318, 1.301, 1.307, 1.374, and 1.323. a) Make a dotplot of these values. (Please upload your response/solution using the controls below.)
b) Should the t curve be used to find a 99% confidence interval for the thickness? If so,
find the confidence interval. If not, explain why not.
c) Six independent measurements are taken of the thickness of another piece of sheet
metal. The measurements this time are: 1.317, 1.318, 1.301, 1.307, 1.374, 1.323. Make
a dotplot of these values.
d) Should the t curve be used to find a 95% confidence interval for the thickness of this
metal? If so, find the confidence interval. If not, explain why not.

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