Look at the stem-and-leaf plot. What is the range of the numbers?
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Week 6 Activity
Sampling Distribution
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Strayer Univeristy Week 6 & 7 Statistics Exercises
Week 6 Activity
Sampling Distribution
A computer scanner can read a bar code on a package correctly 97% of the time. One company monitors the accuracy of the scanner by randomly sampling packages and verifying that each package has been correctly scanned. Random samples of size n = 25, 50, 100, and 200 have recently been taken with the following results.
Sample Size, n
Number Correctly Scanned
25
24
50
49
100
95
200
193
To complete this activity, use Excel to:
1. Calculate the sample proportion for each sample size.
2.Calculate the single-proportion sampling error for each sample size.
3.Calculate the probability of finding 198 correctly scanned packages, for a sample of size n=200.
4.Submit your work Excel file.
Week 7 Activity
Hypothesis Testing
The Lazer Company has a contract to produce a part for Boeing Corporation that must have an average diameter of 6 inches and a standard deviation of 0.10 inch. The Lazer Company has developed a process that will meet the specifications with respect to the standard deviation, but it is still trying to meet the mean specifications. A test run (considered a random sample) of parts was produced, and the company wishes to determine whether this latest process that produced the sample will produce parts meeting the requirement of an average diameter equal to 6 inches.
Use Excel to:
1.Construct the appropriate null and alternative hypotheses with correct parameters.
2.Develop the decision rule assuming that the sample size is 200 parts and the significance level is 0.01.
In a Word document:
3. Recommend what the Lazer Company should conclude if the sample mean diameter for the 200 parts is 6.03 inches.
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Most Popular Content
8 pages
Variables Measurement Spss.edited
The dataset “Afrobarometer(student8210)” comprises a total of 63 variables of both COUNTRY_ALPHA is a nominal type var ...
Variables Measurement Spss.edited
The dataset “Afrobarometer(student8210)” comprises a total of 63 variables of both COUNTRY_ALPHA is a nominal type variable and it measures the ...
5 pages
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An Independent t-test is the most appropriate following the provided scenario. The concern is to investigate two unrelated ...
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An Independent t-test is the most appropriate following the provided scenario. The concern is to investigate two unrelated samples of men and women to ...
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We can use the sample information to compute the measure of performance that John can use to analyze his delivery performa ...
Spicy Wings
We can use the sample information to compute the measure of performance that John can use to analyze his delivery performance. From the sample data, ...
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see details in attached instructions and rubrics for all parts. must be in APA format.
MATU203 Mickey & Minnie Home Sales Statistics And Probability Research Paper
see details in attached instructions and rubrics for all parts. must be in APA format.
9-2 Final Project Submission: Statistical Analysis Report
InstructionsSubmit your statistical analysis report and recommendations to management. It should be a complete, polished a ...
9-2 Final Project Submission: Statistical Analysis Report
InstructionsSubmit your statistical analysis report and recommendations to management. It should be a complete, polished artifact containing all of the critical elements of the final product. It should reflect the incorporation of feedback gained throughout the course.Note that you will need to refer to the scenario in the article "A-Cat Corp.: Forecasting." See the syllabus for information on accessing the article.For additional details, please refer to the Final Project Guidelines and Rubric document and the Final Project Case Addendumdocument.
Strayer Univeristy Week 6 & 7 Statistics Exercises
Week 6 Activity
Sampling Distribution
A computer scanner can read a bar code on a package correctly 97% of the time. O ...
Strayer Univeristy Week 6 & 7 Statistics Exercises
Week 6 Activity
Sampling Distribution
A computer scanner can read a bar code on a package correctly 97% of the time. One company monitors the accuracy of the scanner by randomly sampling packages and verifying that each package has been correctly scanned. Random samples of size n = 25, 50, 100, and 200 have recently been taken with the following results.
Sample Size, n
Number Correctly Scanned
25
24
50
49
100
95
200
193
To complete this activity, use Excel to:
1. Calculate the sample proportion for each sample size.
2.Calculate the single-proportion sampling error for each sample size.
3.Calculate the probability of finding 198 correctly scanned packages, for a sample of size n=200.
4.Submit your work Excel file.
Week 7 Activity
Hypothesis Testing
The Lazer Company has a contract to produce a part for Boeing Corporation that must have an average diameter of 6 inches and a standard deviation of 0.10 inch. The Lazer Company has developed a process that will meet the specifications with respect to the standard deviation, but it is still trying to meet the mean specifications. A test run (considered a random sample) of parts was produced, and the company wishes to determine whether this latest process that produced the sample will produce parts meeting the requirement of an average diameter equal to 6 inches.
Use Excel to:
1.Construct the appropriate null and alternative hypotheses with correct parameters.
2.Develop the decision rule assuming that the sample size is 200 parts and the significance level is 0.01.
In a Word document:
3. Recommend what the Lazer Company should conclude if the sample mean diameter for the 200 parts is 6.03 inches.
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