by decreasing the size of the paper napkins they provide to
Last updated: 6/6/2023
by decreasing the size of the paper napkins they provide to patrons Papel Paper Products is considering pitching the smaller napkin idea to potential restaurant clients To determine the receptiveness of different restaurants to the idea Papel surveyed 400 fast food establishments chosen at random and looked at the data according to two variables type of fast food restaurant burger sandwich Chinese Mexican or other and attitude toward the smaller napkin idea receptive or not receptive The data are summarized in the contingency table below Each of the 6 cells of the table contains three numbers the first number is the observed cell frequency o the second number is the expected cell frequency g under the assumption that the two variables type of fast food restaurant and attitude toward the smaller napkin idea are not associated and the third number is the following value fo fe observed cell frequency Expected cell frequency TE Expected cell frequency The numbers labeled Total are totals for observed frequency Part 1 Fill in the missing values in the contingency table Round your expected frequencies to two or more decimal places and round your values to three or more decimal places Send data to Excel Attitude toward smaller napkin idea Receptive Not receptive Total Type of fast food restaurant Chinese Burger Sandwich Mexican 53 109 0 0 0 0 45 81 0 0 0 98 a Determine the type of test statistic to use Type of test statistic Choose one 0 0 190 Other 81 68 04 2 469 31 43 96 3 821 112 Total 243 157 Part 2 Answer the following to summarize the test of the hypothesis that the two variables type of fast food restaurant and attitude toward the smaller napkin idea are not associated For your test use the 0 05 level of significance 400 b Find the value of the test statistic Round to two or more decimal places 0 c Find the critical value for a test at the 0 05 level of significance Round to two or more decimal places d Can we conclude that the variables type of fast food restaurant and attitude toward the smaller napkin idea are associated Use the 0 05 level of significance O Yes No 5