QNT 561
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QNT 561 FINAL EXAM – QUESTION AND ANSWERS QNT 561 FINAL EXAM – QUESTION AND ANSWERS • A market researcher is interested in determining the average income for families in San Mateo County, California. To accomplish this, she takes a random sample of 300 families from the county and uses the data gathered from them to estimate the average income for families of the entire county. This process is an example of o Inferential statistics • If x is a binomial random variable with n=10 ...
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QNT 561 FINAL EXAM – QUESTION AND ANSWERS QNT 561 FINAL EXAM – QUESTION AND ANSWERS • A market researcher is interested in determining the average income for families in San Mateo County, California. To accomplish this, she takes a random sample of 300 families from the county and uses the data gathered from them to estimate the average income for families of the entire county. This process is an example of o Inferential statistics • If x is a binomial random variable with n=10 ...
QNT 561 Final Exam 2 QNT 561 Final Exam 2 1. A difference between calculating sample mean and population mean is A. Only in symbols, we use instead of µ and n instead of N B. We divide sum of observations by n - 1 instead of n C. observations are ranked and select middle value for population mean D. There are no differences 2. Which of following measures of central location is affected most by extreme values? A. Median B. Mean C. Mode D. Geometric mean 3. Which level o...
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QNT 561 Final Exam 2 QNT 561 Final Exam 2 1. A difference between calculating sample mean and population mean is A. Only in symbols, we use instead of µ and n instead of N B. We divide sum of observations by n - 1 instead of n C. observations are ranked and select middle value for population mean D. There are no differences 2. Which of following measures of central location is affected most by extreme values? A. Median B. Mean C. Mode D. Geometric mean 3. Which level o...