Question

L10.5 Exercises Exercise 1. A SRS of 600 Ebert Theatre moviegoers was taken this past year. Movie Type (X) and Snacks? (Y) were measured, resulting in the 'outcome type' counts in the table to the right. Is there evidence that Movie Type (X) and Snacks? (Y) are related over the population? In particular, answer the following parts. Action Comedy Family Horror 50 75 125 175 90 30 (a) Describe the population 45 10 (b) State the null hypothesis (c) True or False: The Null Hypothesis can be expressed as follows: The population proportions of those buying snacks are the same for the different movie types. (d) Argue that the One-Sample Large n Independence (OSLI) Setting holds. (e) Compute the [estimated] expected counts corresponding to the observed counts in the table (f) Carry out a Chi-Squared of Independence at the 0.01 level. Give a PV Report and interpret the p-value.

          L10.5 Exercises

Exercise 1. A SRS of 600 Ebert Theatre moviegoers was taken this past year. Movie Type (X) and Snacks? (Y) were measured, resulting in the 'outcome type' counts in the table to the right. Is there evidence that Movie Type (X) and Snacks? (Y) are related over the population? In particular, answer the following parts.

Action Comedy Family Horror
50
75
125
175
90
30
(a) Describe the population
45
10
(b) State the null hypothesis
(c) True or False: The Null Hypothesis can be expressed as follows: The population proportions of those buying snacks are the same for the different movie types.
(d) Argue that the One-Sample Large n Independence (OSLI) Setting holds.
(e) Compute the [estimated] expected counts corresponding to the observed counts in the table
(f) Carry out a Chi-Squared of Independence at the 0.01 level. Give a PV Report and interpret the p-value.

l105 exercises exercise 1 a srs of 600 ebert theatre movie goers was taken this past year movie typex and snacksywere measured resulting in the outcome type type of snacks no snacks movie co 07288

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