Question: Consider the following hypothesis test: H0: u u is less than or equal to 50 Ha: u > 50 A sample of 60 is used

Consider the following hypothesis test:

H0: u u is less than or equal to 50

Ha: u > 50

A sample of 60 is used and the population standard deviation is 8. Use the critical value approach to state your conclusion for each of the following sample results. Use = .05.

a. With ?? x = 52.5, what is the value of the test statistic (to 2 decimals)?

Can it be concluded that the population mean is greater than 50?

b. With ?x? = 51, what is the value of the test statistic (to 2 decimals)?

Can it be concluded that the population mean is greater than 50?

c. With ?x? = 51.8, what is the value of the test statistic (to 2 decimals)?

Can it be concluded that the population mean is greater than 50?

Step by Step Solution

★★★★★

3.35 Rating (170 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a We use Test statistic Z U dSqrtn Z cal 525 508Sqr... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

1019-B-C-A-C-P-A(3906).docx

120 KBs Word File

Students Have Also Explored These Related Cost Accounting Questions!

Consider the following hypothesis test: H: 45 H:

Given a sample size of 36, with sample mean 670.3 and sample standard deviation 114.9, we perform the following hypothesis test. Null Hypothesis ............H0: = 700 Alternative Hypothesis...

Consider the following hypothesis test. H 0 : = 15 H a : 15 A sample of 50 provided a sample mean of 14.15. The population standard deviation is 3.(a)Find the value of the test statistic. (Round your...

Consider the following hypothesis test: H0: 25 Ha: > 25 A sample of 40 provided a sample mean of 26.4. The population standard deviation is 5. a. Compute the value of the test statistic (to 2...

Consider the following hypothesis test: H0: u = 15 Ha: u 15 A sample of 40 provided a sample mean of 14.17. The population standard deviation is 5. Enter negative value as negative number. a. Compute...

need d. please explain how u got it ns Exercise 09.11 (Self-Test) Algorithmic Question 3 of 1 Check My Work Video Consider the following hypothesis test: Ho: u = 15 Ha: H # 15 A sample of 50 provided...

Help!!! Check My Work (2 remaining) Consider the following hypothesis test: Ho: u = 15 Ha: 4. - 15 A sample of 50 provided a sample mean of 14.15. The population standard deviation is 3. Enter...

Consider the following hypothesis test: Ho: u - 29 Ha: u > 29 A sample of 50 provided a sample mean of 30.4. The population standard deviation is 6. a. Compute the value of the test statistic (to 2...

PLEASE MAKE SURE FORMATTING IS UNDERSTANDING AND READABLE! I have arranged the questions in the order they should be in, please only provide answer with section, question number and part (ex. 1a, 1b,...

The partial molar volumes of two liquids A and B in a mixture in which the mole fraction of A is 0.3713 are 188.2 cm3 mol-1 and 176.14 cm3 rnol-1 respectively. The molar masses of A and Bare 241.1 g...

Several pathogens in this chapter are listed as potential bio-weapons by the Centers for Disease Control and Prevention (CDC). Discuss two examples and why they are considered effective for use in...

What is a millage rate in property taxation? a . The amount of tax per $ 1 , 0 0 0 of assessed property value b . A fixed tax amount applied to every property c . A tax incentive program for...

Joe has just moved to a small town with only one golf course, the Northlands Golf Club. His inverse demand function is p = 120 - 2q, where q is the number of rounds of golf that he plays per year....

Derive an error bound in Prob 5 from (5).

Interpolation and extrapolation Calculate p2 in Example 2 computer from it approximations of in 9.4, in 10, in 10.5, in 11.5, in 12, compute the errors by using exact 4D-values, and comment.

Set up Newtons forward difference formula for the data in Prob. 3 and compute Ґ (1.01), Ґ (1.03), Ґ (1.05).

Jane was due to make loan payments of $ 1 5 2 4 ten months ago, $ 3 4 7 6 four month ago, and $ 5 1 0 in four months. Instead, she is to make a single payment today. If money is worth 6 . 1 % and the...

Need some help with this problem. Please use R 1. Problem 1 (UG): The attached table shows recent GSS data for the effect of gender and race on political party identification. Find a...

Marsha Jones has bought a used Mercedes horse transporter for her Connecticut estate. It cost $35,000. The object is to save on horse transporter rentals. Marsha had been renting a transporter every...