COMM 291 Lecture Notes - Fuel Efficiency, Overnight Delivery, Response Bias
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COMM 291 Full Course Notes
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Ii: mean, fuel efficiency, traffic, speed, heating/temperature. High: respondents under 30 shop less frequently. Respondents between 30-49 are spread relatively equally amongst all frequencies: not quite, there are more customers aged 50 and over than any other age group, but customer aged 50 and over are high frequency shoppers. Question 4: 94. 2, pack rats 5. 6%, boxes r us 6. 0, pack rats. No, boxes r us has a lower percentage of late deliveries for each regular and overnight. However, boxes r us delivers more overnight packages which are more difficult to deliver on time whereas pack rats delivers more regular packages which are easier to deliver on time. Therefore, boxes r us"s overall percentage is heavily influenced by its overnight delivery average and vice versa for pack rats. Their different patterns of delivery explain why taking the overall percentage is misleading.
