Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Chi-square test for goodness of fit.

A major snack food company has started an advertising campaign claiming that it makes "America's favourite potato chip." To test this claim, a researcher assembles a sample of 90 volunteers and asks each individual to taste the company's chips all along with two other brands. Each individual is asked to select a favourite from the three brands. The following data show the number of individuals selecting each brand. Do the data offer significant support for any preferences among the three brands? Test At the .05 level of significance.

 

Brand A

Brand B

Brand C

38

28

24

 

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919838

Have any Question? 


Related Questions in Statistics and Probability

Regression analysis assignmentuse your data and excel

Regression Analysis Assignment Use your data and excel spreadsheet program to perform a multiple regression analysis for your variables. The analysis should include the following: 1. Provide a brief background of the sit ...

Question 1 a survey of a snp single nucleotide polymorphism

Question 1. A survey of a SNP (Single Nucleotide Polymorphism) site segregating for nucleotides  C  and G  in a chimpanzee population found the following numbers of the different genotypes: C/C C/G G/G 11 42 64 What is t ...

If the input to a linear filter is a random telegraph

If the input to a linear filter is a random telegraph process with zero-crossings per second and an amplitude A , determine the output PSD. The filter impulse response is

Find an expression for the mth moment of an erlang random

Find an expression for the m th moment of an Erlang random variable whose PDF is given by   for some positive integer   and positive n constant b.

In six sentences or more explain how you would use

In six sentences or more, explain how you would use descriptive statistical procedure(s) r in your personal life. (Minimum of 200 words)

Letnbspnbspbe a sequence of iid random variables with

Let   be a sequence of IID random variables with finite mean and variance. Show that the sequence of sample means converges in the MS sense.

A balanced coin is tossed nine times find the probabilities

A balanced coin is tossed nine times. Find the probabilities of each of the following events: (a) exactly 3 heads occurred; (b) at least 3 heads occurred; (c) at least 3 heads and at least 2 tails occurred.

A differences in age between husbands and wifes husband

a. Differences in age between husbands and wifes ( husband age minus wife age) of married couples have a distribution that approximately follows the normal curve with a mean of 1.5 years and a std of 2.1 years. negative ...

For a constant k two discrete random variables have a joint

For a constant k, two discrete random variables have a joint PMF given by (a) Find the value of the constant in terms of K. b) Find the marginal PMFs,  (c) Find

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise safety. (a) How large a sample would be needed to estimate the true proportion of jets with the wir ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate