The following is a correlation matrix among family size (X), weekly grocery bill (Y), and income (Z)
Question:
The following is a correlation matrix among family size (X), weekly grocery bill (Y), and income (Z) for a random sample of 50 families.
a. Which of the correlations are significant at the .05 level?
b. Calculate the partial correlation between family size and grocery bill, holding income constant, and then determine if this partial correlation is significant.
Discuss the difference between the simple correlation rXY and the partial correlation rXY.Z.
Transcribed Image Text:
X Y Z X 1.00 .60 .20 Y .60 1.00 .30 Z .20 .30 1.00
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 60% (10 reviews)
Solution a With 46 degrees of freedom and significance level 05 the critical values are rXY 1tail 3...View the full answer
Answered By
James Warinda
Hi! I’m James Otieno and I'm an experienced professional online tutor with countless hours of success in tutoring many subjects in different disciplines. Specifically, I have handled general management and general business as a tutor in Chegg, Help in Homework and Trans tutor accounts.
I believe that my experience has made me the perfect tutor for students of all ages, so I'm confident I can help you too with finding the solution to your problems. In addition, my approach is compatible with most educational methods and philosophies which means it will be easy for you to find a way in which we can work on things together. In addition, my long experience in the educational field has allowed me to develop a unique approach that is both productive and enjoyable.
I have tutored in course hero for quite some time and was among the top tutors awarded having high helpful rates and reviews. In addition, I have also been lucky enough to be nominated a finalist for the 2nd annual course hero award and the best tutor of the month in may 2022.
I will make sure that any student of yours will have an amazing time at learning with me, because I really care about helping people achieve their goals so if you don't have any worries or concerns whatsoever you should place your trust on me and let me help you get every single thing that you're looking for and more.
In my experience, I have observed that students tend to reach their potential in academics very easily when they are tutored by someone who is extremely dedicated to their academic career not just as a businessman but as a human being in general.
I have successfully tutored many students from different grades and from all sorts of backgrounds, so I'm confident I can help anyone find the solution to their problems and achieve
0.00
0 Reviews
10+ Question Solved
Related Book For
Elementary Statistics In Social Research
ISBN: 9780205845484
12th Edition
Authors: Jack A. Levin, James Alan Fox, David R. Forde
Question Posted:
Students also viewed these Statistics questions
-
The following is a partial year-end adjusted trial balance. Income tax expense has not yet been accrued. The income tax rate is 40%. Determine the following: (a) Operating income (loss), (b) Income...
-
Determine an appropriate interval width for a random sample of 110 observations that fall between and include each of the following: a. 20 to 85 b. 30 to 190 c. 40 to 230 d. 140 to 500
-
For a random sample of seven homes that were recently sold in a city suburb, the assessed values x and the selling prices y are (a) Plot the scatter diagram. (b) Determine the equation of the least...
-
EBIT $ 600,000 g 0.0% r 10.0% Shares o/s 200,000 Taxes 25.0% NI $ 450,000 Before Recapitalization: Value of Ops $ 4,500,000 Value per share $ 22.50 EPS $ 2.25 1:13 sthn 1h dialexh Recap: New debt...
-
In principle, do you see these cases as the same in terms of your interpretation of legal BFOQs, business necessity, essence of the business, or job relatedness?
-
AKEI is an elite desk manufacturer. At the start of May 2015, the following budgeted unit amounts (based on a standard costing system) related to its manufacture of executive desks (made out of oak):...
-
Electrodes used to make electrical measurements of the body (such as those used when recording an electrocardiogram) use a conductive paste to reduce the skin resistance to very low values. Great...
-
The board of directors of Muir Company adopted a fixed stock option plan to supplement the salaries of certain executives of the company. Options to buy common stock were granted as follows: Options...
-
Every culture is different. According to Hofstede, much of this variability can be accounted for by six cross-cultural values. Briefly describe them and indicate how each of these values may impact...
-
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...
-
When respondents who score high on the SATs tend also to get high grades in college, whereas those who score low on the SATs do poorly in college, there is reason to posit a. A positive correlation...
-
Using the correlation coefficient results from Problem 27, determine the statistical significance of the relationship. Can the null hypothesis be rejected? In other words, does this relationship hold...
-
Sucrose (C12H22O11), commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6. At 23 oC and in 0.5 M...
-
1. Is a monopoly good or bad for society? distinguish between different monopoly types. I am especially interested in the comparison between regular monopolies and monopolies created by government...
-
Transportation software implementation is a difficult task for many organisations. Identify three aspects and explain how they would have made it difficult for any transport company to implement...
-
Let quantity demanded be given by Qd=101-0.8P and quantity supplied be given by Qs=23+1.3P. If there is a quota of 14, then what will be the domestic price? Round answers to two decimal places.
-
Four years ago Jensen Inc. had purchase equipment for $2,100,000. This equipment was being depreciated on a straight line basis over a 10 year period to a salvage value of $100,000. The equipment has...
-
George Oscar Bluth (GOB) presents a business proposal to his mother, Lucile Bluth. GOB wants to start a magician troupe that performs around Orange County, California. GOB would like a loan of...
-
Determine the Padé approximations of degree 6 with (a) n = 2,m = 4 and (b) n = 4, m = 2 for f (x) = sin x. Compare the results at each xi to those obtained in Exercise 5.
-
Smiths Family Fashions implemented a balanced scorecard performance measurement system several years ago. Smiths is a locally owned clothing retailer with fashions for men, women, teens, and...
-
The expected value of a random variable can be thought of as a long-run average.
-
For Exercises determine whether the distribution represents a probability distribution. If it does not, state why. X P(X) 1 12 312
-
For Exercises determine whether the distribution represents a probability distribution. If it does not, state why. X P(X) 5 0.3 10 0.4 15 0.1
-
Reword. PT ALERT SITTING IN W/C OUTSIDE DINNING AERA. PT WAS PLEASANTLY CONFUSED WITH IMPAIRED DECISION MAKING. PT RESPONDED OKAY WHEN GREETED BY SW. SW PROVIDED SUPPORT AND COMPANIONSHIP DURING...
-
Examine and reflect on activities in the profession that lead to life-long learning. Compare and contrast leadership attributes for professional service and scholarship.
-
Regarding the rights of partners to share in profits, if the partnership agreement does not establish how the partnership will distribute profits, ________blank. Group of answer choices distribution...
Study smarter with the SolutionInn App