Is there evidence for a difference in the population means of the four groups? Justify your answer

Question:

Is there evidence for a difference in the population means of the four groups? Justify your answer using specific value(s) from the output.

Refer to the data with analysis shown in the following computer output:

Level N Mean StDev A 86.833 5.231 76.167 6.555 80.000 9.230 D 69.333 6.154 Source DF Groups SS MS 3 962.8 320.9 6.64 0.0

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Statistics Unlocking The Power Of Data

ISBN: 9780470601877

1st Edition

Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock

See More Books

Question Posted: Dec 06, 2018 05:24 AM

See More Questions

Independent random samples of 80 measurements were drawn from two quantitative populations, 1 and 2. Here is a summary of the sample data: a. If your research objective is to show that µ1 is...
Is there sufficient evidence of a difference in the population means of the three groups? Justify your answer using specific value(s) from the output. Refer to the data with analysis shown in the...
Independent random samples were selected from populations 1 and 2. The sample sizes, means, and variances are as follows: a. Find a 90% confidence interval for the difference in the population means....
If a quantity is measured to be Q and its exact value is A, then the relative error in Q is If the exact value is A = 35 and you want the relative error in Q to be less than or equal to 0.02 (or 2%),...
Research by R. Pyhala et al. shows that young adults who were born prematurely with very low birth weights (below 1500 grams) have higher blood pressure than those born at term. The study can be...
What is the angle in radians that the Earth sweeps out in its orbit during winter?
Is there a field line pattern that could everywhere represent either the magnetic field due to a magnet or the electric field due to a system of fixed charged particles?
The following information is available for Lowry Company. Instructions (a) Compute cost of goods manufactured. (b) Prepare an income statement through gross profit. (c) Show the presentation of the...
4. In doubly linked lists, traversal can be performed?4 a) Only in forward direction b) Only in reverse direction c) In both directions d) None
Reba Dixon is a fifth-grade school teacher who earned a salary of $38,000 in 2020. She is 45 years old and has been divorced for four years. She receives $1,200 of alimony payments each month from...
Test for a difference in population means between groups A and C. Show all details of the test. Refer to the data with analysis shown in the following computer output: Level N Mean StDev 10.200 2.864...
What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these means and differences in means? Refer to the data with analysis shown in the following computer...
3x1 + 5x2 = b1 x1 + 2x2 = b2 Solve the system by inverting the coefficient matrix and using Theorem 1.6.2.
What efforts did the federal government (and supporters of US intervention) make in an attempt to boost public support for the US cause in the Great War and ensure "social unity" in house during the...
2. What is the effect of a Federal Reserve open market sale? What happens to interest rates in the money market and federal funds market as a result? Provide a graph of the money market and federal...
Since energy production represents only about 8-10 percent of economic output, why should any special importance be placed on the sector? Should policy decisions about the energy sector be...
You have two monthly car payments of $ 4 0 0 each left on your car. If the interest rate is 0 . 7 5 percent per month, how much will you be required to pay the lender if you wanted to pay off the...
Discuss one or more examples of what the salesperson could do better to strengthen the relationship and increase the likelihood that you will be a loyal customer in the future.Instead, discuss an...
Solve the given initial-value problem. (3y 2 - t 2 /y 5 ) dy/dt + t/2y 4 = 0, y(1) = 1
What is your assessment of the negotiations process, given what you have studied? What are your recommendations for Mr. Reed? You must justify your conclusions
In the United States, there is no capital gains on houses until the last one is sold. Up to that point any gains are considered unrealized capital gains or losses on primary residence. Estimate the...
In 2013, the housing market started picking up. Were people getting themselves too much into debt and hoping that the price of their homes would increase? One way to judge is to determine the size of...
A large number of American families are invested in the stock market. Many have various pension plans that use contributed funds to buy stocks. Many others have directly held shares in the stock...
Evaluate the purchase of a new computer system based on the following information. The system will cost $175,000 It has a useful life of 8 years It will generate a saving of $25,000 per annum The...
Respond to the ethical scenario o r respond to the presentation in a Global Table. All responses should be one full page that is typed and double-spaced. Ethical scenarios 1.Recently, Professor...
1.Explain why senior management might overstate or understate business performance. 2.Identify and explain three methods financial statement fraudmay be committed. 3.Explain how fictitious revenue...

Is there evidence for a difference in the population means of the four groups? Justify your answer

Question:

Level N Mean StDev A 86.833 5.231 76.167 6.555 80.000 9.230 D 69.333 6.154 Source DF Groups SS MS 3 962.8 320.9 6.64 0.003 Error 20 967.0 48.3 Total 23 1929.8

Step by Step Answer:

Yes the pvalue 0003 is very s...View the full answer

Statistics Unlocking The Power Of Data

Students also viewed these Mathematics questions