4. (n) An indicator of the value of a stock relative to its carnings is its price-earnings ratio. The following table provides the summary statistics of the price-earnings ratios for a random sample of 24 stocks, 8 each from the healthcare, financials and real estate sectors Sector Sample mean | Sample variance | Sample size Healthcare 12.65 123 Financials 30.01 361 Real estate 90.21 1.27 You are also given that 22.657.84. Test at the 5% significance level whether the true mean price-earnings ratios for the three market sectors are the same. Use the ANOVA table format to summarise your calculations. You may exchide the pvalue. (10 marks)