Mathematics, 18.06.2020 20:57 montgomerykarloxc24x
Find the value of the linear correlation coefficient R. The paired data below consists of the costs of advertising (in thousands of dollars) and the number of products (in thousands).
Cost : 9, 2, 3, 4, 2, 5, 9, 10
Number: 85, 52, 55, 68, 67, 86, 83, 73
Answers: 1
Mathematics, 21.06.2019 19:20
Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 19:40
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).
Answers: 3
Find the value of the linear correlation coefficient R. The paired data below consists of the costs...
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Mathematics, 07.04.2020 03:09
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Mathematics, 07.04.2020 03:09
Mathematics, 07.04.2020 03:09
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