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CSU Week 3 Normal Distributions Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms ...
CSU Week 3 Normal Distributions Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms where possible. If the answer is in %, show two decimal places.Answer the following problems showing your work and explaining (or analyzing) your results. Submit your work in a typed Microsoft Word document.The average score of a statistics class was 71 with a standard deviation of 8.What is the z score of a student with a grade of 68? (2.5 pts)What is the z score of a student with a grade of 80? (2.5 pts)Using the same data in #1 answer the following:Approximately 68% (one standard deviation) of the scores are between ________ and _________ (2.5 pts)Approximately 95% (two standard deviation) of the scores are between _________ and _________ (2.5 pts)Most values of the standard normal distribution are between __________. (3 pts)-3 and 30 and 10 and 31 and 3(a) If the standard deviation of a data set is 1.3, what is the variance? (2.5 pts)(b) If the variance is 36, what is the standard deviation? (2.5 pts)Let X have a normal distribution with mean µ= 20 and standard deviation σ = 4. Determine the area in the normal curve for which:P (X > 28) (2.5 pts)P (X > 12) (2.5 pts)P (X > 24) (2.5 pts)The IQ scores of students listed below are from a SAMPLE of MATH 300 class.
IQ Scores921101059612010090981109510299931191061039110197105What is the mean IQ score? Round to the nearest whole number. (2.5 pts)Compute the IQ scores within plus/minus one standard deviation? Two answers. Round to the nearest whole numbers. (2.5 pts)Compute the IQ scores within plus/minus two standard deviation? Two answers. (2.5 pts)Let X have a normal distribution with µ= 10 and standard deviation σ= 2. Transform X to the standard normal form Z and match the following probability statements:a) P(X>14) 1) P(Z<-1)b) P(X<8) 2) P(-2 < Z < 2)c) P(6 < X < 14) 3) P(Z > 2)a) is matched to ___________ (2.5 pts)b) is matched to ___________ (2.5 pts)c) is matched to ___________ (2.5 pts)Let X have a normal distribution with mean µ= 30 and standard deviation σ= 10. Calculate P(X>40). Round to two decimal places. (4 pts)For a standard normal variable Z, compute P(Z<1.5). Round your answer to two decimal places. (3 pts)A larger standard deviation of a normal distribution indicates that the distribution becomes (2.5 pts)
narrower and more peakedflatted and widermore skewed to the rightmore skewed to the left
Mathematical Statistics Question
Based on the line of best fit drawn below, which value could be expected for the data in June 2015?
A. 480
B. 540
C. 230
...
Mathematical Statistics Question
Based on the line of best fit drawn below, which value could be expected for the data in June 2015?
A. 480
B. 540
C. 230
D. 310
Article Analysis and Evaluation of Research Ethics
Search the GCU Library and find one new health care article that uses quantitative research. Do not use an article from a ...
Article Analysis and Evaluation of Research Ethics
Search the GCU Library and find one new health care article that uses quantitative research. Do not use an article from a previous assignment, or that appears in the Topic Materials or textbook.Complete an article analysis and ethics evaluation of the research using the "Article Analysis and Evaluation of Research Ethics" template. See Chapter 5 of your textbook as needed, for assistance.While APA style is not required for the body of this assignment, solid academic writing is expected, and documentation of sources should be presented using APA formatting guidelines, which can be found in the APA Style Guide, located in the Student Success Center.This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.
MATH 160 Elementary Statistics
I've registered already with MATH 160 Elementary Statistics class I'm looking for help from A to Zhomework and assignment ...
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Please review Section 6.1-6.6. What would you want to study? If you could create a poll or survey, what would ...
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Acaydia School of Aesthetics. L.L.C Elevator Weight Capacity Problem
An elevator at a construction site has a maximum capacity of 1640 pounds. If the elevator operator weighs 240 pounds and e ...
Acaydia School of Aesthetics. L.L.C Elevator Weight Capacity Problem
An elevator at a construction site has a maximum capacity of 1640 pounds. If the elevator operator weighs 240 pounds and each cement bag weighs 50 pounds, how many bags of cement can be safely lifted on the elevator in one trip?
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Most Popular Content
CSU Week 3 Normal Distributions Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms ...
CSU Week 3 Normal Distributions Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms where possible. If the answer is in %, show two decimal places.Answer the following problems showing your work and explaining (or analyzing) your results. Submit your work in a typed Microsoft Word document.The average score of a statistics class was 71 with a standard deviation of 8.What is the z score of a student with a grade of 68? (2.5 pts)What is the z score of a student with a grade of 80? (2.5 pts)Using the same data in #1 answer the following:Approximately 68% (one standard deviation) of the scores are between ________ and _________ (2.5 pts)Approximately 95% (two standard deviation) of the scores are between _________ and _________ (2.5 pts)Most values of the standard normal distribution are between __________. (3 pts)-3 and 30 and 10 and 31 and 3(a) If the standard deviation of a data set is 1.3, what is the variance? (2.5 pts)(b) If the variance is 36, what is the standard deviation? (2.5 pts)Let X have a normal distribution with mean µ= 20 and standard deviation σ = 4. Determine the area in the normal curve for which:P (X > 28) (2.5 pts)P (X > 12) (2.5 pts)P (X > 24) (2.5 pts)The IQ scores of students listed below are from a SAMPLE of MATH 300 class.
IQ Scores921101059612010090981109510299931191061039110197105What is the mean IQ score? Round to the nearest whole number. (2.5 pts)Compute the IQ scores within plus/minus one standard deviation? Two answers. Round to the nearest whole numbers. (2.5 pts)Compute the IQ scores within plus/minus two standard deviation? Two answers. (2.5 pts)Let X have a normal distribution with µ= 10 and standard deviation σ= 2. Transform X to the standard normal form Z and match the following probability statements:a) P(X>14) 1) P(Z<-1)b) P(X<8) 2) P(-2 < Z < 2)c) P(6 < X < 14) 3) P(Z > 2)a) is matched to ___________ (2.5 pts)b) is matched to ___________ (2.5 pts)c) is matched to ___________ (2.5 pts)Let X have a normal distribution with mean µ= 30 and standard deviation σ= 10. Calculate P(X>40). Round to two decimal places. (4 pts)For a standard normal variable Z, compute P(Z<1.5). Round your answer to two decimal places. (3 pts)A larger standard deviation of a normal distribution indicates that the distribution becomes (2.5 pts)
narrower and more peakedflatted and widermore skewed to the rightmore skewed to the left
Mathematical Statistics Question
Based on the line of best fit drawn below, which value could be expected for the data in June 2015?
A. 480
B. 540
C. 230
...
Mathematical Statistics Question
Based on the line of best fit drawn below, which value could be expected for the data in June 2015?
A. 480
B. 540
C. 230
D. 310
Article Analysis and Evaluation of Research Ethics
Search the GCU Library and find one new health care article that uses quantitative research. Do not use an article from a ...
Article Analysis and Evaluation of Research Ethics
Search the GCU Library and find one new health care article that uses quantitative research. Do not use an article from a previous assignment, or that appears in the Topic Materials or textbook.Complete an article analysis and ethics evaluation of the research using the "Article Analysis and Evaluation of Research Ethics" template. See Chapter 5 of your textbook as needed, for assistance.While APA style is not required for the body of this assignment, solid academic writing is expected, and documentation of sources should be presented using APA formatting guidelines, which can be found in the APA Style Guide, located in the Student Success Center.This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.
MATH 160 Elementary Statistics
I've registered already with MATH 160 Elementary Statistics class I'm looking for help from A to Zhomework and assignment ...
MATH 160 Elementary Statistics
I've registered already with MATH 160 Elementary Statistics class I'm looking for help from A to Zhomework and assignment and everythingStart Date 02 April 2018 End Date 26 May 201
Sampling Distribution and Estimators Discussion
Please review Section 6.1-6.6. What would you want to study? If you could create a poll or survey, what would ...
Sampling Distribution and Estimators Discussion
Please review Section 6.1-6.6. What would you want to study? If you could create a poll or survey, what would your topic be?
Describe your population (the type of person you want), sample (n = ?), one to three questions you would ask, and how you would graph the results.
Acaydia School of Aesthetics. L.L.C Elevator Weight Capacity Problem
An elevator at a construction site has a maximum capacity of 1640 pounds. If the elevator operator weighs 240 pounds and e ...
Acaydia School of Aesthetics. L.L.C Elevator Weight Capacity Problem
An elevator at a construction site has a maximum capacity of 1640 pounds. If the elevator operator weighs 240 pounds and each cement bag weighs 50 pounds, how many bags of cement can be safely lifted on the elevator in one trip?
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