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Tasty Pizza Ltd desires to know if the size of 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: Exhibit 3

Tasty Pizza Ltd desires to know if the size of 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: Exhibit 3

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 5E
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Please asssit with questions (i), (ii) and (iii)

Tasty Pizza Ltd desires to know if the size of 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: Exhibit 3 Expected counts are printed below observed counts Small Medium Large 34 All 23 32 Cheese 26.403 31.743 30.853 89 34 35 36 Tuna 31.150 36.400 ** 105 32 40 34 Pepperoni 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 i. Define the null and alternative hypotheses of the X? test for the above output. 11. Find the missing values "*", "**'. '***', showing necessary working. What is the degree of freedom for this test? Estimate the p-value for this test. State the conclusion for the test. Give reason for your answer. 111. 1V. V.
Transcribed Image Text:Tasty Pizza Ltd desires to know if the size of 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: Exhibit 3 Expected counts are printed below observed counts Small Medium Large 34 All 23 32 Cheese 26.403 31.743 30.853 89 34 35 36 Tuna 31.150 36.400 ** 105 32 40 34 Pepperoni 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 i. Define the null and alternative hypotheses of the X? test for the above output. 11. Find the missing values "*", "**'. '***', showing necessary working. What is the degree of freedom for this test? Estimate the p-value for this test. State the conclusion for the test. Give reason for your answer. 111. 1V. V.
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