Question 2 A Sportbet Com Conducted A Survey Which Asked 100 Men And 100 Women About Their Sport Preferences Their Ans 1 (52.59 KiB) Viewed 27 times
Question 2 A Sportbet Com Conducted A Survey Which Asked 100 Men And 100 Women About Their Sport Preferences Their Ans 2 (36.94 KiB) Viewed 27 times
Question 2 a) Sportbet.com conducted a survey which asked 100 men and 100 women about their sport preferences. Their answers are depicted in the following table. Use a x2 test to determine whether there is a difference between gender and sport preferences. The critical value is 4.61 at 10% level of significance. [15 Marks] Sport preferences Football Volleyball Tennis TOTAL Men 45 33 22 100 Women 31 48 21 100 TOTAL 76 81 43 200
b) The sample variance for the profits from the two aircraft manufacturers are depicted in the table: Airbus Boeing Sample variance 17.7 25.6 Sample size 41 25 - Two critical values are given: F24,40 = 2.2880 and F40,24 = 2.4923. Choose the correct one in order to test, at the 1% level, whether there is any difference in the variance of profits from the two manufacturers. (15 Marks)
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