A sample of 61 observations yielded a sample standard deviation of 6. If we want to...

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A sample of 61 observations yielded a sample standard deviation of 6. If we want to test Ho: ² = 40, the test statistic is Select one: O a. 54. O b. 9.15. 54.90. C. O d. 9. A sample of 61 observations yielded a sample standard deviation of 6. If we want to test Ho: ² = 40, the test statistic is Select one: O a. 54. O b. 9.15. 54.90. C. O d. 9.

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