ECO 578 Statistics > QUESTIONS & ANSWERS > ECO 578 - ALL QUIZZES TEST BANK (All)
ECO 578 - ALL QUIZZES TEST BANK
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ECO 578 - ALL QUIZZES TEST BANK 1. Question : Ten experts rated a newly developed chocolate chip cookie on a scale of 1 to 50. Their ratings were: 34, 35, 41, 28, 26, 29, 32, 36, 38 and 40. What is ... the mean deviation? Student Answer: 8.00 4.12 12.67 0.75 Comments: 2. Question : For which measure of central location will the sum of the deviations of each value from the data's average will always be zero? Student Answer: Mode Mean Median Geometric Mean None of the above Comments: 3. Question : A sample of the monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical distribution. The sample mean is $150 and the standard deviation is $20. Using the Empirical Rule, about 95 percent of the monthly food expenditures are between what two amounts? Student Answer: $100 and $200 $85 and $105 $205 and $220 $110 and $190 Comments: [Show More]
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