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6:18 PM Sun Mar 26 ... Ims.brocku.ca 10) You want to know if major in university and birth order are related to tolerance of
6:18 PM Sun Mar 26 ... Ims.brocku.ca 10) You want to know if major in university and birth order are related to tolerance of ambiguity. You choose 60 people (20 science majors, 20 humanities majors and 20 phys ed majors) and give them a test which measures their tolerance for ambiguity (scored on a scale of 1-50). You also divide them into first, second, or third born in their family 11) You want to determine if there is a preference for colour of car. You ask 50 people the following question. If you won a free car and could choose the colour what would you choose; White, Grey, Red, Blue or Green? 12) You want to see if Rec and Leisure students get summer jobs faster than other university students. You find out from the student placement service that the average university student gets a summer job in 4 weeks with a variance of 3 weeks. The average Rec and Leisure student gets a job in 3.6 weeks with a variance of 4.2 weeks. 93% 6:18 PM Sun Mar 26 ... Ims.brocku.ca 6) The average number of books owned by a professor is 543. The professors in your department own an average of 576 books each with a st dev of 112. Do they own significantly more books than average? 93% 6:18 PM Sun Mar 26 ... Ims.brocku.ca 7). You wish to test the hypothesis that introverted people tend to earn less money than extroverted people. You sample 27 people from your graduating class and ask them how much money they make and also give them a test to determine how introverted they are. This test of introversion yields a score from 0 to 100 with 0 being not introverted at all (i.e. extroverted) and 100 being very introverted. 8) There are 3 washing machines in your apartment building and you think that the time it takes to wash your clothes varies depending on which machine you use. You decide to test this and spend one afternoon in your laundry room. You record the time it takes to wash one load each time a person does their laundry and end up with the following data. Machine 1 was used 14 times and the mean time for 1 wash was 22.1 minutes with a standard deviation of 3.3 minutes. Machine 2 was used 17 times and took an average of 21.0 minutes per wash with a standard deviation of 1.9 minutes. Machine 3 was used 18 times and took an average of 21.7 minutes per wash with a standard deviation of 2.3 minutes. 9) You wonder if capital punishment has an effect on the number of murders committed. You obtain data from 23 states that have re-instated capital punishment. Your data list the ranking of each state with regard to number of murders per 100 people for the year prior to re-instating capital punishment and again 3 years later. 93%
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