Tasty pizza Ltd desire 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:
Tasty pizza Ltd desire 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:
Small medium large. all
23. 32. 34.
Cheese. 26.403. 31.743. 30.853. 89
34. 35. 36
Tuna. 31.150. ** 36.409. 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
A) define the null and alternative hypothesis of the x2 test for the above output
b)what is the degree f freedom for this test
c) estimate the p- value for this test
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