Chi square hypothesis test in excel

Reference no: EM13108022

The manager of a Farmer Jack Super Market would like to know if there is a preference for the day of the week on which customers do their shopping. A sample of 420 families revealed the following. At the 0.05 significance level, is there a difference in the proportion of customers that prefer each day of the week?

1. State null and alternate hypothesis.

2. State the decision rule.

3. Compute the value of the statistic.

4. What is the decision. interpret the result.

Day of the week Number of persons

Monday 20

Tuesday 30

Wednesday 20

Thursday 60

Friday 80

Saturday 130

Sunday 80

Reference no: EM13108022

Questions Cloud

Find sensitivity and specificity of eggplant disease test : A dangerous new disease, "Mad Eggplant Disease," has been discovered in the United States. Scientists believe that this disease affects 7% of the eggplant-eating population.

Chi square test for goodness of fit : 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.

Find the future values : FV of $800 paid each 6 months for 5 years at a nominal rate of 5%, compounded semiannually. Round your answer to the nearest cent.

Why republic supposed to be radical concept of government : Why was the republic supposed to be radical (and even utopian) concept of government? What was supposed to be crucial ingredient essential for people to maintain republic?

Chi square hypothesis test in excel : The manager of a Farmer Jack Super Market would like to know if there is a preference for the day of the week on which customers do their shopping.

What developing solvent should we use for the tlc procedure : What developing solvent should we use for the TLC procedure? 1. acetone 2. 0.5% acetic acid in ethyl acetate 3. hexane Why do we use NaOH solution in the extraction procedure? 1. because NaOH Converts the acid into the carboxylate 2. because flour..

Chi square distribution-hypothesis test : There are three loan officers at Farmer National Bank. All decisions on mortgage loans are made by one of these officers. The president of the bank would like to be sure that the rejection rate is about the same for the three officers.

Calculate repayment of principal : Jan sold her house on December 31 and took a $50,000 mortgage as part of the payment. The 10-year mortgage has a 11% nominal interest rate, but it calls for semiannual payments beginning next June 30.

Calculate the percent composition of the mixture : A student needed to determine the percent composition of a mixture that contained flourene and benzoic acid. The student took 312 mg of the mixture and used the extraction method to separate the components.

User Account

All Pages