Question: Let x be a random variable representing dividend yield of Australian bank stocks. We may assume that x has a normal distribution withA random sample

Letxbe a random variable representing dividend yield of Australian bank stocks. We may assume thatxhas a normal distribution withA random sample of 13 Australian bank stocks has a sample mean ofFor the entire Australian stock market, the mean dividend yield isDo these data indicate that the dividend yield of all Australian bank stocks is higher than 5.7%? UseWhat is the value of the test statistic?

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