Answered: Tasty Pizza Ltd desires to know if the…

Name: Tasty Pizza Ltd desires to know if the size of the pizzas order by the
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Description: Tasty Pizza Ltd desires to know if the size of the pizzas order by their customers depends on the toppings chosen. Data was gathered for the last 300 customers and the results obtained using MINITAB are shown below: i. Define the null and alternative

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Tasty Pizza Ltd desires to know if the size of the pizzas order by their customers depends on the toppings chosen. Data was gathered for the last 300 customers and the results obtained using MINITAB are shown below:

i. Define the null and alternative hypotheses of the χ2 test for the above output.
ii. Find the missing values ‘*’, ‘**’, ‘***’
iii. What is the degree of freedom for this test?
iv. Estimate the p-value for this test.
v. State the conclusion for the test. Give reason for your answer.

Expected counts are printed below observed counts
Small
Medium
Large
All
23
32
34
Cheese
26.403
31.743
30.853
89
34
35
36
Tuna
31.150
36.400
**
105
32
40
34
Реpperoni
31.447
37.807
36.747
All
89
107
104
300
Chi-sq
0.43868 +
*** +
0.76168 +
0.260754+
0.16028 +
0.004396 +
0.009736 +
0.12725 +
0.205302
1.5293

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