X̄ - Study guides, Class notes & Summaries
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QMB 3200 Final Exam Test |Complete Questions with Correct Answers Graded A+
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QMB 3200 Final Exam Test |Complete Questions with Correct Answers Graded A+ 
Suppose we have the following data: 12, 17, 13, 25, 16, 21, 30, 14, 16, and 18. To find the 10% trimmed mean, what numbers should be deleted from the calculation? 
12 and 30 
Which of the following is not resistant to the outliers in a data set? 
a. Median 
b. Mean 
c. Variance 
d. Interquartile range 
b. mean 
The pth percentile is a value such that at least p percent of the observations are: 
less than or equal to thi...
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BUSA 2100 Ch 7 Test Questions with All Correct Answers
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BUSA 2100 Ch 7 Test Questions with All Correct Answers 
A simple random sample of size n from a finite population of size N is a sample selected such that each possible sample of size _____. - Answer- n has the same probability of being selected 
 
How many different samples of size 3 (without replacement) can be taken from a finite population of size 10? - Answer- 120 
 
A simple random sample of size n from a finite population of size N is to be selected. Each possible sample should have ____...
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BANA 2372 EXAM 3 QUESTIONS WITH CORRECT ANSWERS
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BANA 2372 EXAM 3 QUESTIONS WITH CORRECT ANSWERS 
 
what is x̄ (x bar)? - Answer-Sample mean height 
 
what is p bar? (p with line on top) - Answer-sample proportion 
 
What is μ? - Answer-population mean 
 
Are x bar and p bar both normally distributed? - Answer-yes 
 
descriptive statistics - Answer-making calculations from samples to describe those samples 
 
inferential statistics - Answer-involves using descriptive statistics and their sampling distributions to be able to make inferences ...
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QMB 3200 Final Exam Study Guide |Verified Questions with Correct Answers Graded A+
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QMB 3200 Final Exam Study Guide |Verified Questions with Correct Answers Graded A+ 
Excel's ______ function can be used to compute the sample standard deviation 
STDEV.S 
The mean of the sample is 
computed by summing all the data values and dividing the sum by the number of items 
symbol that represents the size of population 
N 
The variance of a sample or population cannot be 
Negative 
Symbol representing the size of sample 
n 
symbol representing standard deviation of a population 
σ 
sym...
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BEHS: Midterm exam 2023 with 100% correct answers
- Exam (elaborations) • 138 pages • 2023
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4 types of data 
1: Binary (dichotomous) 
YES/NO 
Male/Female 
 
2: Categorical data 
Race/Ethnicity (nominal, not ordinal) 
Country of Birth (nominal, not ordinal) 
Degree of agreement (ordinal) 
 
3: Continuous data 
Blood pressure 
Weight 
Age 
Height 
 
4: Time to Event Data 
time in remission 
 
 
 
Different statistical methods for different types of data: 
 
1: Binary data (2 tests) 
2: Continuous data (2 tests) 
1: binary data 
a. Fisher's Exact test (ok for all) 
b. Chi-square test (go...
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Portage Learning Math 110 Module 5 Exam 2024/2025 100% Guaranteed Pass
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Portage Learning Math 110 Module 5 Exam 
1.	Suppose that you take a sample of size 20 from a population that is not normally distributed. Can the sampling distribution of x̄ be approximated by a normal probability distribution? 
 
No because the sample has to be at least 30 to use sampling distribution of x̄ or be normally distributed. 
 
 
 
1b. Suppose that you take a sample of size 50 from a population that is not normally distributed. Can the sampling distribution of x̄ be approximated b...
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BANA 2372 EXAM 3 QUESTIONS WITH CORRECT ANSWERS
- Exam (elaborations) • 2 pages • 2024
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BANA 2372 EXAM 3 QUESTIONS WITH CORRECT ANSWERS 
 
what is x̄ (x bar)? - Answer-Sample mean height 
 
what is p bar? (p with line on top) - Answer-sample proportion 
 
What is μ? - Answer-population mean 
 
Are x bar and p bar both normally distributed? - Answer-yes 
 
descriptive statistics - Answer-making calculations from samples to describe those samples 
 
inferential statistics - Answer-involves using descriptive statistics and their sampling distributions to be able to make inferences a...
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QMB 3200 Final Exam Test |Complete Questions with Correct Answers Graded A+
- Exam (elaborations) • 12 pages • 2024
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Available in package deal
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QMB 3200 Final Exam Test |Complete Questions with Correct Answers Graded A+ 
Suppose we have the following data: 12, 17, 13, 25, 16, 21, 30, 14, 16, and 18. To find the 10% trimmed mean, what numbers should be deleted from the calculation? 
12 and 30 
Which of the following is not resistant to the outliers in a data set? 
a. Median 
b. Mean 
c. Variance 
d. Interquartile range 
b. mean 
The pth percentile is a value such that at least p percent of the observations are: 
less than or equal to thi...
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QUANTITATIVE BUSINESS TOOLS EXAM 1 (QMB3200) QUESTIONS AND ANSWERS 2024.
- Exam (elaborations) • 5 pages • 2024
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If an interval estimate is said to be constructed at the 90% confidence level, the confidence coefficient would be _____. 
0.9 (90%) 
 
 
 
The mean of the t distribution is _____. 
zero (0) 
 
 
 
The use of the normal probability distribution as an approximation of the sampling distribution of p̄ is based on the condition that both np and n(1 - p) equal or exceed _____. 
Five (5) 
 
 
 
We can reduce the margin of error in an interval estimate of p by doing any of the following EXCEPT _____. ...
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QMB 3200 Final Exam Questions And Answers 100% Verified
- Exam (elaborations) • 11 pages • 2024
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QMB 3200 Final Exam Questions And 
Answers 100% Verified 
Suppose we have the following data: 12, 17, 13, 25, 16, 21, 30, 14, 16, and 18. To find the 10% 
trimmed mean, what numbers should be deleted from the calculation? - answer12 and 30 
Which of the following is not resistant to the outliers in a data set? 
a. Median 
b. Mean 
c. Variance 
d. Interquartile range - answerb. mean 
The pth percentile is a value such that at least p percent of the observations are: - 
answerless than or equal to...
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