Mentioning the critical value of test statistic

Assignment Help Basic Statistics

Reference no: EM1318256

Q1) You have been hired by consumer research agency to do a study of consumer response to two different shampoos. One of shampoos is designed to provide "squeaky clean" hair and other is designed to provide "super volume". You distribute 1000 sample bottles of each type of shampoo to test market of men and women who have agreed to try shampoos and point out a preference. After 2 weeks you survey test market with following results:

	Squeaky Clean	Super Volume
Male	253	275
Female	187	265

Use Test of Independence to test hypothesis at.05 level of significance that gender makes a difference in choice of the shampoos.

i) Mention the null and alternative hypotheses being tested

ii) Give the calculated value of the test statistic

iii) Mention the critical value of test statistic (Or give the p-value of the test.)

iv) Mention and explain the decision.

Reference no: EM1318256

Questions Cloud

Baseline for the linux system : Describe briefly the purpose of the baseline. Explain the areas of system would you involve in the baseline for your Linux system?

What is standard purchasing system : SPS system would standardize purchasing practices for each Snad and Surf subsidiary and manage all purchasing information. System testing will be completed by end of the week. What kinds of documentation are required for this application?

How to describe the standard normal distribution : Describe the standard normal distribution. Explain why it can be used to find probabilities for all normal distributions.

Testing significance of correlation coefficient-least square : Also use the regression model to predict a student's average if he/she misses 4 classes.

Mentioning the critical value of test statistic : Mention the critical value of test statistic (Or give the p-value of the test.)

Evaluate the type of conic from the given equation : Evaluate the type of conic from the given equation - Indicate which type of conic each of the following represents.

Basic requirements for data communications and networking : List some of the basic requirements for the data communications and networking required to support the business information needs? Discuss in scholarly detail. Your answer should be of 300 words.

Smallest number of workstations : What is the smallest number of workstations Penny could hope for in designing the line considering this cycle time? Suppose that Penny finds a solution that requires only four station. What would be the efficiency of this line?

Testing hypothesis that calories of two populations equal : Test hypothesis that calories of two populations are equal. Illustrate all steps of the hypothesis testing process. Points will be deducted for missing parts.

User Account

All Pages