Chi-square test, Applied Statistics

Consider the following linear regression model:

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

     b) What does βo, β1, β2, . . . . βk 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







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
Related Questions
Methods of Forecasting  Various techniques which are generally used in business forecasting are as under: 1.      Forecasting  through the opinion of heads  of department

Scenario : Mrs dick's year 1s and 2s carried out a level-one science investigation to explain the changes in a particular plant over a period of time.  As part of the investigation

Random Sampling Method In this method the units are selected in such a way that every item in the whole universe has an equal chance of being included. In the words of croxton

For the following claim, find the null and alternative hypotheses, test statistic, P-value, critical value and draw a conclusion. Assume that a simple random sample has been selec

Mid year population 440000 Late fatal death          29 No. of live birth           5200 No. of infant death      423 No. of maternal death 89 No. of infant deaths i

entropy test to measure interaction between enviornmental factors and genes

(1) What values can the response variable Y take in logistic regression, and hence what statistical distribution does Y follow? The response variable can take the value of either

Admissibility A very common concept which is applicable to any procedure of the statistical inference. The underlying notion is that the procedure/method is admissible if and o

BCBSRI was able to reduce MSD related Workers Compensation cases with lost workdays by implementing a New Ergonomic Program in March 2000 and increasing workstation evaluations. Ex

how to get statistical quality control assignment in brief?