Consider the following linear regression model:

     a) What does y and x₁, x₂, . . . . x_k represent?

     b) What does β_o, β₁, β₂, . . . . β_k represent?

     c) What does the error term € describe?

The shares of the U.S automobile market held in 1990 General Motors, Japanese manufacturers, Ford, Chrysler and other manufacturers were, respectively 36%, 26%, 21%, 9%, and 8%. Suppose that a new survey of 1,000 new-car buyers shows the following purchase frequencies:

              GM (391, Japanese (202), Ford (275), Chrysler (53), Other (79)

     a) Show that it is appropriate to carry out a chi-square test using these data.

     b) Test to determine whether the new car market shares differ from those of 1990. Use α = 0.05.

Posted Date: 3/8/2013 4:12:23 AM | Location : United States

Ask an Expert

Related Discussions:- Chi-square test, Assignment Help, Ask Question on Chi-square test, Get Answer, Expert's Help, Chi-square test Discussions

Write discussion on Chi-square test
Your posts are moderated

Write your message here..

Related Questions

Assumptions in anova, Assumptions in ANOVA The various populations f... Assumptions in ANOVA The various populations from which the samples are drawn should be normal and have the same variance. The requirement of normality can be discarded if t

Show a simple linear regression analysis, In the early 1990s researchers at... In the early 1990s researchers at The Ohio State University studied consumer ratings of six fast-food restaurants: Borden Burger, Hardee's, Burger King, McDonald's, Wendy's, and Wh

Hi, i want assignmrnt help i want assignmrnt help

Calculation of degrees of freedom, Calculation of Degrees of Freedom Fi... Calculation of Degrees of Freedom First we look at how to calculate the number of DOF for the numerator. In the numerator since we calculate the variance from the sample means,

Test the null hypothesis, A consumer preference study involving three diffe... A consumer preference study involving three different bottle designs (A, B, and C) for the jumbo size of a new liquid detergent was carried out using a randomized block experimenta

Initial centroids data set, Find unlabeled data set test.txt and initial ... Find unlabeled data set test.txt and initial centroids data set centroids.txt in the archive, both files have the following format: [attribute1_value attribute2_value ...

Solve the normal distribution problem, Assume that the normal distribution ... Assume that the normal distribution applies and find the critical z value(s). A = 0.04; H1 is mean ≠ 98.6 degrees Fahrenheit. Dteremine the value of Z. Find the value of the

Uncertain demand, Consider a Cournot duopoly with two firms (firm 1 and f... Consider a Cournot duopoly with two firms (firm 1 and firm 2) operating in a market with linear inverse Demand P(Q) = x Q where Q is the sum of the quantities produced by both

Distrbution., The score distribution shown in the table is for all students... The score distribution shown in the table is for all students who took a yearly AP statistical exam. An AP statistics teacher had 59 students preparing to take the AP exam. Though

Statistics assignment, Need statistic assignment help. Need by Monday, 26Th... Need statistic assignment help. Need by Monday, 26Th May. Gretl has to be used compulsory.