Mathematics, 19.10.2021 14:00, holasoykawaii10

Each of the following is a confidence interval for m 1⁄4 true average (i. e., population mean) reso- nance frequency (Hz) for all tennis rackets of a certain type: (114.4, 115.6) (114.1, 115.9) a. What is the value of the sample mean reso- nance frequency? b. Both intervals were calculated from the same sample data. The confidence level for one of these intervals is 90% and for the other is 99%. Which of the intervals has the 90% confidence level, and why?

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Each of the following is a confidence interval for m 1⁄4 true average (i. e., population mean) reso-...