Actual mean dividend yield of all jse-listed companies

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Reference no: EM13990320

The average dividend yield of a random sample of 28 JSE-listed companies last year was found to be 12.5%, with a sample standard deviation of 3.4%. Assume that dividend yields are normally distributed.

(a) Calculate, with 90% confidence, the actual mean dividend yield of all JSE-listed companies last year. Interpret the finding.

(b) Compute the confidence interval in (a) using Excel's TINV formula.

Reference no: EM13990320

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