Question 1 (20 Marks) a. The information displayed in Table 1 indicates the number of automobile accidents. Is it possib

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Question 1 20 Marks A The Information Displayed In Table 1 Indicates The Number Of Automobile Accidents Is It Possib 1 (411.46 KiB) Viewed 39 times

Question 1 (20 Marks) a. The information displayed in Table 1 indicates the number of automobile accidents. Is it possible to conclude that the average number of accidents per year has increased from one period to the next at a level of a=0.05? Earlier period 376 650 844 1162 1513 Table 1 Later period 2236 1650 4010 i. State the hypotheses and identify the claim. ii. Find the critical value(s). iii. Compute the test value. iv. Make the decision. v. Summarize the results. 3002 4028 (2 marks) (2 marks) (2 marks) (2 marks) (2 marks) b. A researcher wants to compare the height differences (in inches) between public and private university netball players. The height variances for each type of university are 2.43 and 3.15, respectively, and a random sample of 30 players from each type of university is chosen. Is there a substantial difference in the height variances of the two types of colleges at a=0.10? i. State the hypotheses and identify the claim. ii. Find the critical value(s). iii. Compute the test value. iv. Make the decision. v. Summarize the results. (2 marks) (2 marks) (2 marks) (2 marks) (2 marks)