Chi-square test for gof

Assignment Help Basic Statistics
Reference no: EM13107875

510 people were asked which of four fast food restaurant were their favorite. Determine if there is a preference for any one place over any other.

McDonald's: 155

Wendy's: 130

Taco Bell: 115

Arby's: 110

Which statisical procedure should be used?

Reference no: EM13107875

Questions Cloud

Discuss debtor creditor relationship : The University of North is the major state university. The University was preparing for its upcoming re-accreditation, so the University board set aside extra funds to make sure that the professors could travel for research purposes.
Hypothesis testing-chi-square test of variance : Statistics Test Scores - Tests in the author's statistics class have scores with a standard deviation equal to 14.1. One of his last classes had 27 test scores with a standard deviation of 9.3.
Determine the market equilibrium conditions : John Barks owns Barks Computer Screens Inc. and wants to identify the supply and demand for screens in his market. The company can produce large screens called Wides or small screens called Squares.
Hypothesis testing for motor vehicle department : Data from the Motor Vehicle Department indicate that 80% of all licensed drivers are older than age 25. In a sample of n=60 people who recently received speeding tickets, 38 were older than 25 years and the other 22 were age 25 or younger.
Chi-square test for gof : 510 people were asked which of four fast food restaurant were their favorite. Determine if there is a preference for any one place over any other.
Case study - neda operates a small convenience store : Neda operates a small convenience store in a southern town that has a high tourist draw. After several years of operating the store, Neda has decided to no longer sell tobacco products of any kind because of her belief that they are dangerous and lea..
Chi square test for association-food preference : A statistician is interested in determining whether food preferences depend on the country. The data is presented below. What is the correct statistical test for analyzing the data?
What are the personality qualities you bring to the table : Consider yourself as a crisis interventionist. Based on what the book says, what are the personality qualities you bring to the table that say you are going to be really good at this business?
Chi square test for independence-interest rate predictions : Forecasters interest rate predictions over the period 1982 1990 were studied to see whether the predictions corresponded to what actually happened.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Information about general statistics question

Based off the three requirements that must be met before an analysis of variance test (ANOVA) can be used: Samples must be randomly selected from the populations to be evaluated.

  Measures of dispersion or variation in a dataset

What are the 3 measures of dispersion/variation in a dataset? How do you calculate each of these 3 measures?

  Testing the claim for flights scheduling

Use a 0.01 significance level to test the claim that flights scheduled one day in advance cost more than flights scheduled 30 days in advance.

  Distributions compare for the various sample sizes

f x has a normal distribution with mean µ=15 and standard deviation σ= 3, describe the distribution of x values for sample size n, where n = 4, n = 16, and n = 100. How do the x distributions compare for the various sample sizes?

  Coefficient of skewness

Determine the median, and the standard deviation. Determine the coefficient of skewness using Pearson's method. Listed below are the commissions earned ($000) last year by the sales representatives at the Furniture Patch, Inc.

  Confidence interval application

The US Census Bureau announce that the median sales price of new houses sold in April 2009 was $221,600 while the mean sales price was $274,300. Assume that the standard deviation of the prices is $90,000.

  Effects of confidence interval

What does confidence interval tell you? What does it mean? What 2 things can a researcher do to decrease width of a confidence interval? What are the effects?

  Determining probability that fare will exceed a range

Based on this information, determinethe probability that specific fare will exceed $15.00?

  Probability that person actually has heart disease

If the test is positive, what is the probability that this person actually has heart disease?

  Calculation of sample size and confidence interval

Consumer products companies design different promotional activities to accomplish different goals. According to a spokesperson for General Mills, the company's cents-off coupon offers are designed to convince people to buy its products

  Explain the standard normal distribution z -scores

Assume your statistics professor reports test grades as z-scores, and you got a score of 2.20 on the midterm exam. Write down a sentence explaining what that means.

  Normal distribution-standard deviation

Assume that the measurements came from a normal distribution. The variability of the manufacturing process is unknown means the same as the standard deviation is unknown.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd