Maurice Tutor

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About Maurice Tutor

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Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 3 Days Ago
Questions Answered: 66690
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 07 Jan 2018 My Price 7.00

Noodles & Company

10.49   In 2009 Noodles & Company introduced spaghetti and meatballs to their menu. Before putting on the menu they performed taste tests to determine the best tasting spaghetti sauce. Random sam- ples of 70 tasters were asked to rate their satisfaction with two different sauces on a scale of 1–10 with 10 being the highest. Was there a significant difference in satisfaction scores between the two sauces? (a) Perform a two-tailed test for the difference in two independent means using the sum- mary data in the table below. Assume equal population variances and state your conclusion using α = .05. (b) What if Noodles & Company had used only one set of tasters to test the sauces? Perform a two-tailed paired difference test using the data in the file Spaghetti.xls. State your con- clusion using α = .05. (c) Compare the results in parts (a) and (b). Which test had lower power?

 

Satisfaction Scores for Spaghetti Sauce            Spaghetti

 

Statistic                                                                      Sauce #1                                     Sauce #2

Mean satisfaction score                                                  6.857                                            7.243

Sample standard deviation                                               1.497                                            1.209

Sample size                                                                   70                                               70

 

Answers

Maurice Tutor
(5)
Status NEW Posted 07 Jan 2018 08:01 PM My Price 7.00

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