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QNT 561 FINAL EXAM 1 – QUESTION AND ANSWERS
- Prüfung • 4 Seiten • 2023
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QNT 561 FINAL EXAM 1 – QUESTION AND ANSWERS 
 
1.	According to the central limit theorem, for samples of size 64 drawn from a population with µ = 800 and σ = 56, the mean of the sampling distribution of sample means would equal _______. 
a.	800 
2.	The empirical rule says that approximately what percentage of the values would be within 2 standard deviations of the mean in a bell shaped set of data? 
a.	95% 
3.	Ophelia O'Brien, VP of Consumer Credit of American First Banks (AFB), monitors th...
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QNT 561 FINAL EXAM – QUESTION AND ANSWERS
- Prüfung • 7 Seiten • 2023
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QNT 561 FINAL EXAM – QUESTION AND ANSWERS 
 
1 
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 _______. 
•	 
 
inferential statistics 
 
2 
If x is a binomial random variable with n=10 and p=0.8, what is the proba...
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QNT 561 FINAL EXAM 1 – QUESTION AND ANSWERS
- Prüfung • 4 Seiten • 2023
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- 19,70 €
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QNT 561 FINAL EXAM 1 – QUESTION AND ANSWERS 
 
1.	According to the central limit theorem, for samples of size 64 drawn from a population with µ = 800 and σ = 56, the mean of the sampling distribution of sample means would equal _______. 
a.	800 
2.	The empirical rule says that approximately what percentage of the values would be within 2 standard deviations of the mean in a bell shaped set of data? 
a.	95% 
3.	Ophelia O'Brien, VP of Consumer Credit of American First Banks (AFB), monitors th...
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QNT 561 Final Exam(Questions And Answers)
- Prüfung • 6 Seiten • 2023
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- 20,18 €
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QNT 561 Final Exam(Questions And Answers)1. A difference between calculating the sample mean & the population mean is 
A. Only in the symbols, we use instead of µ & n instead of N 
B. We divide the sum of the observations by n - 1 instead of n 
C. The observations are ranked & select the middle value for the population mean 
D. There are no differences 
 
2. Which of the following measures of central location is affected most by extreme values? 
A. Median 
B. Mean 
C. Mode 
D. Geometri...
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QNT 561 FINAL EXAM – QUESTION AND ANSWERS.
- Prüfung • 7 Seiten • 2023
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- 24,99 €
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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 _______. 
•	 
 
inferential statistics 
 
2 
If x is a binomial random variable with n=10 and p=0.8, what is the probability ...
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QNT 561 FINAL EXAM 1 – QUESTION AND ANSWERS
- Prüfung • 4 Seiten • 2023
-
- 20,18 €
- + erfahre mehr
QNT 561 FINAL EXAM 1 – QUESTION AND ANSWERS.1.	According to the central limit theorem, for samples of size 64 drawn from a population with µ = 800 and σ = 56, the mean of the sampling distribution of sample means would equal _______. 
a.	800 
2.	The empirical rule says that approximately what percentage of the values would be within 2 standard deviations of the mean in a bell shaped set of data? 
a.	95% 
3.	Ophelia O'Brien, VP of Consumer Credit of American First Banks (AFB), monitors the d...
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QNT 561 FINAL EXAM – QUESTION AND ANSWERS
- Prüfung • 13 Seiten • 2023
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- 20,18 €
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QNT 561 FINAL EXAM – QUESTION AND ANSWERS. 
If x is a binomial random variable with n=10 and p=0.8, what is the probability that x is equal to 4? 
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.0055 
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.0063 
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.232 
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.994 
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.124 
 
The weight of a USB flash drive is 30 grams and is normally distributed. Periodically, quality control inspectors at Dallas Flash Drives randomly select a sample of 17 USB flash drives. If the mean weight of the USB flash drives is too heavy or too light the machinery...
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QNT 561 FINAL EXAM QUESTION AND ANSWERS
- Prüfung • 42 Seiten • 2023
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- 29,32 €
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vQNT 561 FINAL EXAM QUESTION AND ANSWERS
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QNT 561 FINAL EXAM QUESTION AND ANSWERS
- Prüfung • 42 Seiten • 2023
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- 27,39 €
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QNT 561 FINAL EXAM QUESTION AND ANSWERS
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QNT 561 FINAL EXAM QUESTION AND ANSWERS
- Prüfung • 42 Seiten • 2023
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- 29,32 €
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QNT 561 FINAL EXAM QUESTION AND ANSWERS
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