Why is it acceptable to use a dichotomous predictor variable in a regression when it is not
Question:
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 66% (15 reviews)
We cannot generally assume that categorical variables with more than 3 scores such as Political Party or level of anxiety are necessarily linearly related to scores on a quantitative outcome variable Scores on a dichotomous predictor variable can only be linearly related to scores on a quantitative outcome variable therefore a dichotomous categorical may be used as a predictor in correlation and regression but a multiple group categorical variable ...View the full answer
Answered By
GERALD KAMAU
non-plagiarism work, timely work and A++ work
4.40+
6+ Reviews
11+ Question Solved
Related Book For
Applied Statistics From Bivariate Through Multivariate Techniques
ISBN: 9781412991346
2nd Edition
Authors: Rebecca M. Warner
Question Posted:
Students also viewed these Statistics questions
-
In Section 13.6, adjusted mean BMI values were obtained for the two nominal variables exercise and tobacco_now. A drawback of the approach used is that these four adjusted means were estimated for...
-
For each of the following hypothesis testing scenarios, indicate whether or not the appropriate hypothesis test would be about a difference in population means. If not, explain why not. Scenario 1:...
-
In the article Statistical Fallacies in Sports (Chance, Vol. 19, No. 4, pp. 5056), S. Berry discussed, among other things, the relation between scores for the first and second rounds of the 2006...
-
Perform the indicated operations. Let k be a natural number. a. (-2) c. (-2)4 e. Is (-2)2+ positive or negative? b. (-2) d. (-2)5
-
Explain how the number of interest-rate paths used in the Monte Carlo simulation methodology is determined.
-
Chips of width L = 15 mm on a side are mounted to a substrate that is installed in an enclosure whose walls and air are maintained at a temperature of Tsur = Tx = 25C. The chips have an emissivity of...
-
Relate race and ethnicity to politics, practices, and outcomes surrounding the COVID-19 pandemic.
-
On December 1, 2017, Annalise Company had the account balances shown below. The following transactions occurred during December. Dec. 3 Purchased 4,000 units of inventory on account at a cost of...
-
You are looking at an investment opportunity that requires an initial investment of $7 million and pays $1.2 million the first year with cash flows increasing 3% per year after that. What is your...
-
Albert owns 100 acres of land on which he grows spruce Christmas trees. His adjusted basis for the land is $100,000. He receives condemnation proceeds of $10,000 when the city's new beltway takes 5...
-
Suppose that a researcher does a study to see how level of anxiety (A 1 = low, A 2 = medium, A 3 = high) is used to predict exam performance (Y). Here are hypothetical data for this research...
-
How does the interpretation of regression coefficients differ for dummy coding of dummy variables versus effect coding of dummy variables (hint: in one type of coding, b0 corresponds to the grand...
-
The negative relation between study time and test score found in Exercise 4.55 has been discovered by many investigators. Provide a possible explanation for it.
-
What are the limitations of the first law of thermodynamics?
-
Explain the Kelvin-Planck and Clausius statements.
-
Justify: "The violation of the Kelvin-Planck statement is nothing but the violation of the Clausius statement".
-
What are the differences between a heat pump and a refrigerator?
-
The standard enthalpy change of combustion of acetylene is \(-1300.48 \mathrm{~kJ}\) at \(298 \mathrm{~K}\) with \(\mathrm{H}_{2} \mathrm{O}\) in the liquid state. Calculate the standard enthalpy of...
-
Larry, a machine operator, is concerned that the cardboard baler he is working on should have a safety shield to protect his arms from the moving parts. He is also worried that if he reports his...
-
Which of the following is NOT a magnetic dipole when viewed from far away? a) A permanent bar magnet. b) Several circular loops of wire closely stacked together with the same current running in each...
-
Use the following data to develop a quadratic model to predict y from x. Develop a simple regression model from the data and compare the results of the two models. Does the quadratic model seem to...
-
Develop a multiple regression model of the form y = b0bx1 using the following data to predict y from x. From a scatter plot and Tukeys ladder of transformation, explore ways to recode the data and...
-
The Publishers Information Bureau in New York City released magazine advertising expenditure data compiled by leading national advertisers. The data were organized by product type over several years....
-
A nursing team is having a routine meeting. One of the nurses, Stephen, is at the end of a 12-hour shift, and another nurse, Tanya, is just beginning hers. Tanya is a senior nurse in the unit with...
-
Assume that you are the leadership team of a convenience store chain that has more than 300 outlets. The company is facing an inventory shrinkage problem, and store managers report that the main...
-
1 . An employee at Amy's candles has noticed that some order quantities in the two reports presented are different although the order numbers are the same. We normally refer to such data as dirty....
Study smarter with the SolutionInn App