K Steel is to be cut and the resulting parts are to be within +0.005 inch of the length specified by the purchaser. The measurement reported from a sample of 20 steel parts (and shown below) is the difference, in inches, between the actual length of the steel part and the specified length of the steel part. Complete parts (a) through (c). -0.002 0.006 SHS 0.001 -0.001 -0.001 -0.001 -0.002 -0.003 -0.006 -0.001 ... -0.001 0.002 0.004 -0.001 0.001 -0.003 -0.001 0.001 -0.007 -0.005 a. Construct a 90% confidence interval estimate of the population mean difference between the actual length of the steel part and the specified length of the steel part. s(Round to five decimal places as needed.)

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Author:Amos Gilat
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K Steel is to be cut and the resulting parts are to be within +0.005 inch of the length specified by the purchaser. The measurement reported from a sample of 20 steel parts (and shown below) is the difference, in inches, between the actual length of the steel part and the specified length of the steel part. Complete parts (a) through (c). -0.002 0.006 SHS 0.001 -0.001 -0.001 -0.001 -0.002 -0.003 -0.006 -0.001 ... -0.001 0.002 0.004 -0.001 0.001 -0.003 -0.001 0.001 -0.007 -0.005 a. Construct a 90% confidence interval estimate of the population mean difference between the actual length of the steel part and the specified length of the steel part. s(Round to five decimal places as needed.) D
K
Steel is to be cut and the resulting parts are to be within 10.005 inch of the length specified by the purchaser. The measurement reported from a sample of 20 steel parts (and
shown below) is the difference, in inches, between the actual length of the steel part and the specified length of the steel part. Complete parts (a) through (c).
-0.002
0.006
0.001
-0.001
-0.001
-0.001
-0.002
-0.003
-0.006
-0.001
CMD
-0.001
0.002
0.004
-0.001
0.001
-0.003
-0.001
0.001
-0.007
-0.005
a. Construct a 90% confidence interval estimate of the population mean difference between the actual length of the steel part and the specified length of the steel part.
sus (Round to five decimal places as needed.)
Transcribed Image Text:K Steel is to be cut and the resulting parts are to be within 10.005 inch of the length specified by the purchaser. The measurement reported from a sample of 20 steel parts (and shown below) is the difference, in inches, between the actual length of the steel part and the specified length of the steel part. Complete parts (a) through (c). -0.002 0.006 0.001 -0.001 -0.001 -0.001 -0.002 -0.003 -0.006 -0.001 CMD -0.001 0.002 0.004 -0.001 0.001 -0.003 -0.001 0.001 -0.007 -0.005 a. Construct a 90% confidence interval estimate of the population mean difference between the actual length of the steel part and the specified length of the steel part. sus (Round to five decimal places as needed.)
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