Three population proportions could be the same

Reference no: EM13337946

For three independent samples,each with n=100, the respective sample proportions are 0.30,0.35, and 0.25. Use the 0.05 level in testing whether the three population proportions could be the same.

Reference no: EM13337946

Questions Cloud

Regression equation : For a set of data,the total variation or sum of squares for y is SST = 143.0, and the error sum of squares is SSE=24.0. What proportion of the variation in y is explained by the regression equation ?

For the leading health maintenance organization firm : For the leading health maintenance organization (HMO) firms, data file XR15014 lists the number of persons enrollrd in the HMO along with the number of plans the firm administers. Given these data,determine the least-squares equation for predicting t..

Regression analysis between sales and advertising : A regression analysis between sales ( in $1000) and advertising ( in $100) resulted in the following least squares line: = 75 + 6x. This implies that if advertising is $800, then the predicted amount of sales ( in dollars) is:

Probability that no ships will arrive during aone-day period : An average of two ships arrive at the antwerp loading dock perday. What is the probability that no ships will arrive during aone-day period? What are the probablilities that exactly one ship,twoships, three ships, or four ships will enter the harbor?..

Three population proportions could be the same : For three independent samples,each with n=100, the respective sample proportions are 0.30,0.35, and 0.25. Use the 0.05 level in testing whether the three population proportions could be the same.

What will be the critical value of chi-square : In a test of the independence of two variables, one of the variables has two possible categories and the other has three possible categories. What will be the critical value of chi-square if the test is to be carried out at the 0.025 level? At the 0...

Observed independent samples of females and males : A researcger has observed independent samples of females and males, recording how long each person took to complete his or her shopping at a local mall. The respective times,in minutes,are listed in file XR11072.Using the 0.025 level of significance ..

What are the null and alternative hypothesesfor this test : Safety researchers, interested in determining whetherthe occupancy of a vehicle might be related to the speef at whichthe vehicle is driven,have observed the following speed (mph)measurements for two random samples of vehicles.

Regarding the respective null hypotheses for experiment : In a two-way ANOVA experiment,factor A is operating on 3 levels,factor B is operating on 2 levels, and there are 2 replications per call. If MSA/MSE = 5.35,MSB/MSE = 5.72, and MSAB/MSE =6.75,and using the 0.05 level of significance, what conclusions..

User Account

All Pages