The following data (in pounds), which were selected randomly from a normally distributed population of values, represent measurements of a machine part that is supposed to weigh, on average, 8.3 pounds. 8.1 8.8 8.4 8.3 8.2 8.5 8.2 8.2 8.3 Appendix A Statistical Tables 8.1 8.6 The value of the test statistic is t = 8.3 8.4 8.3 8.4 8.2 8.4 8.5 8.5 8.7 Use these data and a = .01 to test the hypothesis that the parts average 8.3 pounds. (Round the sample mean to 2 decimal places, e.g. 5.75. Round the value of s to 2 decimal places, e.g. 5.75. Round your answer to 2 decimal places, e.g. 5.75.) and we

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The following data (in pounds), which were selected randomly from a normally distributed population of values, represent
measurements of a machine part that is supposed to weigh, on average, 8.3 pounds.
8.1
8.8
8.4
8.3 8.2 8.5
8.2 8.2
8.3 8.1
Appendix A Statistical Tables
8.6
The value of the test statistic is t =
8.3
8.4
8.3
8.4 8.5
8.4 8.2
8.5 8.7
Use these data and a = .01 to test the hypothesis that the parts average 8.3 pounds. (Round the sample mean to 2 decimal places, e.g.
5.75. Round the value of s to 2 decimal places, e.g. 5.75. Round your answer to 2 decimal places, e.g. 5.75.)
and we
Transcribed Image Text:The following data (in pounds), which were selected randomly from a normally distributed population of values, represent measurements of a machine part that is supposed to weigh, on average, 8.3 pounds. 8.1 8.8 8.4 8.3 8.2 8.5 8.2 8.2 8.3 8.1 Appendix A Statistical Tables 8.6 The value of the test statistic is t = 8.3 8.4 8.3 8.4 8.5 8.4 8.2 8.5 8.7 Use these data and a = .01 to test the hypothesis that the parts average 8.3 pounds. (Round the sample mean to 2 decimal places, e.g. 5.75. Round the value of s to 2 decimal places, e.g. 5.75. Round your answer to 2 decimal places, e.g. 5.75.) and we
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