True or False A portfolio manager was analyzing the price-earnings ratio for this year's performance. His boss said that the average price-earnings ratio was 20 for the many stocks, which his firm had traded, but he felt that figure was too high. The portfolio manager randomly selected a sample of 50 P/E ratios and found a mean of 18.17 and standard deviation of 4.60 . Assume that the population is normally distributed and test at the 0.01 level of significance. The decision is: Because the test statistic t = -2.83 is not less than -2.33, fail to reject H0 . At the 0.01 level, the sample data suggest that the average P/E ratio for the stocks is not less than 20.
Indicate whether the statement is true or false
Question 2
True or False A portfolio manager was analyzing the price-earnings ratio for this year's performance. His boss said that the average price-earnings ratio was 20 for the many stocks, which his firm had traded, but he felt that figure was too high. The portfolio manager randomly selected a sample of 50 P/E ratios and found a mean of 18.17 and standard deviation of 4.60 . Assume that the population is normally distributed and test at the 0.01 level of significance. The decision is: Because the test statistic t = 2.81 is greater than 2.33, reject H0 . At the 0.01 level, the sample data suggest that the average P/E ratio for the stocks is less than 20.
Indicate whether the statement is true or false
The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after
20,000 year old spotted hyena painting from the Chauvet Cave, France
Mendel's breeding program that produced a 9 : 3 : 3 : 1 ratio
Fire activity ratio
GDP per Capita in the United States, 1870–2009 (Ratio Scale)
Suppose the market supply curve is p = 5Q. If price increases from 10 to 15, the change in ...