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11_Problem_Set

# 11_Problem_Set - 1 Book PS#11 Note that there are two pages...

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Book PS #11 Note that there are two pages to this problem set (six problems). #1) Shopping at secondhand stores is becoming more popular and has even attracted the attention of business schools. A study of customers’ attitudes toward secondhand stores interviewed samples of shoppers at two secondhand stores of the same chain in two cities. Here are the data: Location? Gender? City 1 City 2 Total Men 40 (A) 52 (C) Women 200 (B) 158 (D) Total H 0 : There is no association between the row variable and the column variable. H a : There is an association between the row variable and the column variable. a) What is the expected cell count in cell A? b) Round your expected cell counts to two decimal places if necessary. What is the value of the chi-square statistic (using your rounded expected cell counts)? Round your final answer to two decimal places. c) According to Table F, what is the lowest significance level (smallest α value) at which you would reject the H 0 ? Express your answer as an α value. #2) These are your regression results: y ˆ = (-9) + (6)x. b 0 = -9

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