Question 17.27

17.27 Do the inference.

Refer to the previous exercise. Software gives 0.3347 for the standard error of .

  1. Find the 95% confidence interval for .
  2. Transform your interval in (a) to a 95% confidence interval for the odds ratio.
  3. What do you conclude?

17.27

(a) (–0.047, 1.265). (b) (0.954, 3.543). (c) Because the interval in part (b) includes 1, there is no significant difference in the proportions of high-tech and non-high-tech companies that offer stock options to key employees.