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# Good Driving Habits

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Question 1 Total: This question has five parts, i-v. Answer all five parts. You want to carry out a survey to find out whether the Management School’s undergraduates believe that the university is sufficiently committed to sustainability. Briefly discuss how the following approaches to choosing a sample could be implemented and any problems that they might have.Simple random sampling Systematic samplingConvenience sampling The response rate What questions were asked Explain why it is important to know Approximately 75 words for each approach Question 2 Total:This question has five parts, i-v. Answer all five parts. Students at Leeds and Sheffield universities were randomly sampled to see whether their home was more than 50 miles from the university or not, and whether this was affected by whether they were male or female. The results are given in the Venn diagram. So, for example, there were 75 students in the sample who were female, at Leeds and whose home was 50 or more miles from Leeds. Based on this data:What is the probability that a student’s home is 50 miles or less from their university? What is the probability that a female Sheffield student’s home is more than 50 miles away from Sheffield?What is the probability that a student whose home is more than 50 miles away from their university is attending Leeds University?What is the probability that a student is attending Leeds, their home is more than 50 miles away and they are female? Complete the table below to represent the Leeds data as a two by two contingency table with variables gender and distance away of their home. NB. Copy table to answer paper Distance away from homeGender Question 3 Total: This question has three parts, i-iii. Answer all three parts. Owners of two models of electric cars were surveyed to find out the average range of their cars after they had been fully charged. The summary statistics for the ranges are shown in the table:Use this table to compare the distance travelled on a full charge for the two models. (Approximately 150 words) What other statistical measures could have been provided in the table? (Approximately 75 words)What other information would it be useful to know before concluding whether one model provides a greater distance travelled on a full charge than another? (Approximately 100 words)
one hour answer 3 question on decision making : might need to calculate

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