Dummy variables in regression

Assignment Help Basic Statistics
Reference no: EM1395965

When using dummy variables in a regression equation to model a qualitative or categorical variable, the number of dummy variables should equal to

a. one less than the number of categories.

b. one more than the number of categories.

c. the number of categories.

d. the number of other independent variables in the model.

Reference no: EM1395965

Questions Cloud

Estimate arterial ph : Jake, a surfer-skier dude moves suddenly from low to high altitude for the winter skiing. Upon arrival he is hyperventilating in response to the altitude.
Which of statements regarding cellular respiration is false : Which of the statements regarding cellular respiration and photosynthesis is false? Select one: Cellular respiration and photosynthesis are chemically reverse reactions, but they use different pathways.
Rejecting the null hypothesis-sample evidence : Suppose you always reject the null hypothesis, regardless of any sample evidence.
Illustrate what is your final estimate for the organization : illustrate what is your final estimate for the organization's cost of equity? 4. Calculate the organization's estimate for corporate cost of capital. 5. Describe the four (4) steps of capital budgeting analysis. 6. Describe Explain how is project ..
Dummy variables in regression : When using dummy variables in a regression equation to model a qualitative or categorical variable, the number of dummy variables should equal to
How many turns of the calvin cycle are required : Type in the correct number for each question in the text box provided. Consider the synthesis of one molecule of glucose. How many molecules of ATP are required? Answer How many molecules of NADPH are required? Answer How many turns of the Calvin ..
Regression-correlation-turbidity level and rainfall : In a water treatment plant, the turbidity level, and is suspected is linearly related to inches of accumulated rainfall in the month, x. The following information related to the waste water plant is available:
Illustrate what actions would you recommend to carlos : Illustrate what actions would you recommend to Carlos Fernandez to help Grupo Modelo sustain or improve its competitive position, especially its international operations, also its long-term financial performance?
Number of years experience of the taxi drivers : The standard deviation was 2. At α = .10, is the number of years' experience of the taxi drivers really less than the taxi company claimed?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidence interval estimate for population proportion

Results from survey of 1000 respondents, point out that 545 favour the dealth penalty for capital crimes. By using a90% confidence level. Create confidence interval estimate for population proportion.

  Determine the rejection region

State the alternate hypothesis for this study? What critical value should be used to determine the rejection region? Use the 1 proportion Z-test.

  Determine the monthly payment

Investigate the cost of a home mortgage and to determine the monthly payment.

  Probability in case of a randomly selected sample

Determine the probability that a randomly selected sample of 31 patients would produce an average diameter of 6.6 mm or less for the non affected tendon?

  Multiple regression equation for list price of homes

A multiple regression equation for list price of homes in certain community in USA is=170,000 -850 X 1 + 28,000 X 2 , where X 1 signifies age in years and X 2 signifies  number of rooms.

  Contract to produce garden hoses for a customer

The Kirschner Company has a contract to produce garden hoses for a customer. Kirschner has 5 different machines that can produce this kind of hose. Write the constraint that indicates they have to use at least three of the five machines in their p..

  Confidence interval for the proportion of smokers

What is the 95% confidence interval for the proportion of smokers in the population (to 4 decimals)?

  Independent testing services

An independent testing services road-tested 36 of the automobiles.

  Given random variable is binomial distribution or not

Confirm whether given random variable is binomial distribution or not. If this experiment is finished with replacement, explain why.

  Concept of statistical signi cance

Concept of statistical signi cance

  Probability on randomly selected phone number

The first three digits of a university telphone exchange are 452. if all the sequences of the remaining four digits are equally likely, what is the probability that a randomly selected universtiy phone number contains seven distinct digits?

  Appropriate conclusion of sample t-test based on p-value

Suppose you want to test the hypothesis that students who study one week before score different from students who study the night before. A 2 sample t-test test is run based on your data and a p-value is calculated to be 0.0219. What is the approp..

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