What would be the sample size if an error is desired

Assignment Help Other Subject

Reference no: EM133554211

Assignment: Content Mastery Testing

Instructions

After studying and reviewing the concepts and practices of Module 3, answer the following questions:

I. A sample size of 35 scores has a mean score of 85 points with a standard deviation of 3.25 points.

1) Find a 90% confidence interval for the scores population mean and explain your results.
2) Find a 95% confidence interval for the scores population mean and explain your results.
3) What would be the sample size if an error of 5% is desired?

II. A random sample of 9 young adults was selected and the weight height was calculated to be 65.7 inches. Since there is no information for the population standard deviation, the sample standard deviation was also calculated, and the value was 3.46 inches. If the population grades follow a normal distribution.

1) Find a 95% confidence interval for the height population mean and explain your results.
2) Find a 99% confidence interval for the height population mean and explain your results.

Reference no: EM133554211

Questions Cloud

What are the possible short-term goals that the nurse could : What are the possible short-term goals that the nurse could set with the client? What are the possible long-term goals that the nurse could set with the client?

Write a summary about the blog or article : Write a summary about the blog or article. Read your classmates blogs and select two of them to discuss. Establish a dialogue with them.

What do hipaa regulations say about patients information : What do HIPAA regulations say about patients' information? What are some considerations for ensuring that Mr. Green receives the consult? Identify challenges

What speech characteristics might begin to develop for this : describe each of the other modes of communication and what led you to select the communication method you chose. What speech characteristics might begin

What would be the sample size if an error is desired : Find a 95% confidence interval for the scores population mean and explain your results. What would be the sample size if an error of 5% is desired?

Describe in detail how technology could help to improve : Identify a workflow in hospital setting, that could benefit from improvement, select a manageable workflow, nothing too large. Capture the steps in a visual way

Identify ways that him professionals can be involved : Identify ways that HIM professionals can be involved in databases. Identify ways that data warehouses can be utilized.

How accurately you predict long-term relationship success : What are the key variables that a person looks for when they are looking for a long-term mate? How accurately can you predict long-term relationship success?

What specific outcomes are you keen to investigate : What came to mind when thinking about what you were passionate about/what experiences you've had? Why is this important to you

User Account

All Pages