How many test days do you need to obtain

Reference no: EM13952966

Suppose you are planning another experiment like the one in Exercise 9.20. Based on that data: (1) you are willing to assume that the standard deviation of the difference in means is 1.5°F, and (2) you anticipate that the average temperature in New York tends to be 3°F lower than the corresponding tem- perature in Washington on the same day.

a. For such a one-sided paired t-test test, how many test days do you need to obtain 95% power at the specified alternative?

b. How many do you need for 99% power?

c. How many do you need for 80% power?

Reference no: EM13952966

Questions Cloud

Addressing appropriate business conduct : Write a minimum of a two page memo to your team addressing appropriate business conduct and etiquette when visiting Jordan and your potential clients. [I know memos are usually short, but this will be a lengthy document in order to thoroughly info..

Writing messages to a serversocket in java : the server must accept a connection before the client can communicate.

Describe when it is appropriate to use a paired t test : Describe the one sample test of a mean when the variance is unknown and when the variance is known. Describe the use of a two-sample t test (common variance estimate).

What is a meta-analysis : How do Bayesians treat parameters? How do frequentists treat parameters? Are the two approaches different from one another? Why can missing data be a problem in data analysis? What is imputation?

How many test days do you need to obtain : Based on that data: (1) you are willing to assume that the standard deviation of the difference in means is 1.5°F, and (2) you anticipate that the average temperature in New York tends to be 3°F lower than the corresponding tem- perature in Washi..

Prepare themselves for the breadth and depth of issues : Teenage and adult clients often seek counseling to deal with pregnancy, childbirth, and child-rearing issues. How can counselors prepare themselves for the breadth and depth of issues related to these topics

How do you calculate gdp : How do you calculate GDP? And what kind of information do I need to calculate GDP

Write a recursive method that accepts an integer n and : Write a recursive method that accepts an integer n and returns the product of the first n even integers. For example if n = 4, it should return 384 (2*4*6*8). The method should throw an Illegal Argument Exception if it is passed a value less than or ..

Prepare essay which examines one of auditing issues in china : Prepare an essay which examines one of the following auditing issues in China, within the relevant theoretical framework and on the basis of your literature review.

User Account

All Pages