# math

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**Tab**
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2. Let X be a random variable representing the dividend yield of Australian bank stocks. We may assume that X has a normal distribution with Now, suppose we wish to test the null hypothesis that against the alternative that using a level of significance of ƒÑ = .05. To do so, a random sample of 16 Australian bank stocks is observed and has a sample mean of What is the value of the test statistic?