Dummy variable in regression analysis

Assignment Help Basic Statistics
Reference no: EM1393364

First, describe in your own words (no direct quotes, please) what a dummy variable is and its purpose in regression analysis. Secondly, provide an example of where you might use a dummy variable from your own professional experience. Thirdly, briefly describe how you would implement a dummy variable in a data table you intend to apply regression analysis to. And, finally, provide a short discussion about the course project data set: where would you envision using a dummy variable in this data set?

Note that most of the answers to the questions are relative short and simple. So, be responsive and complete, but as succinct as possible. The idea is for you to explain the essential information regarding the topic of interactions.

Reference no: EM1393364

Questions Cloud

Difference in dna sequence among species : There is evidence that many of differences in DNA sequence among species are not adaptive. Other differences among species, both in DNA and in morphology
Descriptive and inferential statistics : Differences in Descriptive and Inferential Statistics and analyze the differences between descriptive and inferential statistics.
Method of stickiness advantageous : The gecko is a reptile that has amazing ability to climb smooth surfaces even glass. Recent discoveries indicate that geckos stick to smooth surfaces via van der Waals interactions in septae on their feet and smooth surface.
Sampling mean and population mean : Drug manufacturer knows that for a certain antibiotics, the average number of doses ordered for a patient is 20. Steve Simmons, a salesman for the company
Dummy variable in regression analysis : First, describe in your own words (no direct quotes, please) what a dummy variable is and its purpose in regression analysis. Secondly, provide an example of where you might use a dummy variable from your own professional experience.
Find required alien for dna synthesis and mitosis : A young researcher at National Institute Health and interested in eye development, and hoping to find a cure to blindness in your lifetime
Modelling and coefficient of determination : The managers of a brokerage firm are interested in finding out if the number of clients a broker brings into the firm affects the sales generated by the broker.
Probability and fail to reject the null hypothesis : An environmentalist estimate that the mean waste recycle by adults in the country is more than 1 pound per person per day. You want to test this claim, you find that the mean waste recycled per person per day for a random sample of adults in the c..
Determination in regression analysis : What is the percentage of variation in the dependent variable explained by the variation in the independent variable.

Reviews

Write a Review

Basic Statistics Questions & Answers

  How a contingency table can be useful

Provide one example in the accounting department that you can apply a contingency table to. Briefly explain how a contingency table can be useful.

  Increasing and decreasing allergic reactions

Assume that increasing and decreasing allergic reactions are equally likely if the training has no effect. Use alpha = .05

  Pattern of correlation is statistically important

Explain in words general pattern of correlation is statistically important.

  Representing divide dollar game in normal form

Assume P1 and P2 move simultaneously. Represent this game in normal form.

  How long do new batteries last on a camping trip

How long do new batteries last on a camping trip? A random sample of n1 = 42 small camp flashlights were installed with brand I batteries and left on until the batteries failed.

  Least-squares line prediction for the cost of overrun

If an overrun contract was bid at 12 million dollars, what does the least-squares line predict for the cost of overrun (as a percent of bid price)?

  Chebyshev theorem about the percentage of adult

What can you conclude from Chebyshev's theorem about the percentage of adults in the town whose heights are between 57.3 and 77.7 inches? Please show work.

  Estimate using three day weighted moving average

Estimate using three day weighted moving average. Estimate sales for the next day using a three-day weighted moving average where the weights

  Rtio level of measurement

Classify the following as an example of nominal, ordinal, interval, or ratio level of measurement, and state why it represents this level: rankings of the top ten best-selling authors

  Test for independence and preferences

We are asked to test for independence between age (i.e., adult and teen) and drink preferences.

  Give the value of r and r squared for model

Predict the final average of a student who made an 83 on the first test. Give the value of r and r squared for this model. Interpret the value of r squared in the context of this problem.

  Flipping of coins

A fair coin was flipped three times and landed heads three times. What is the probability of a head on the next toss?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd