A sample of 21 observations yielded a sample variance of 16.If we want to test H₀: σ² = 16, the test statistic is

Name: A sample of 21 observations yielded a sample variance of 16.If we want to test H 0 : σ 2 = 16, the test statistic is
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The test statistic for testing the variance is calculated using the formula: (n-1)s^2/σ^2. Here, n = 21, s^2 = 16, and σ^2 = 16. So, the test statistic is (21-1)*16/16 = 20.

A Sample of 21 Observations Yielded a Sample Variance of 16.If