A sample of 41 observations yielded a sample standard deviation of 5. If we want to test H₀: σ² = 20, the test statistic is _____. A) 100 B) 10 C) 51.25 D) 50

Name: A sample of 41 observations yielded a sample standard deviation of 5. If we want to test H 0 : σ 2 = 20, the test statistic is _____. A) 100 B) 10 C) 51.25 D) 50
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Quizplus · Accepted Answer

The test statistic for testing the variance is calculated using the formula: (n-1)s^2/σ^2. Here, n=41, s=5, and σ^2=20. So, (41-1)(5^2)/20 = 50.

A Sample of 41 Observations Yielded a Sample Standard Deviation