or items 11 to 19, use the following information, Shoppers were asked where they
ID: 3305390 • Letter: O
Question
or items 11 to 19, use the following information, Shoppers were asked where they do their regular grocery shopping. The table below shows the responses of the sampled shoppers. We arc interested in deternining if the proportions of females jn the three cate gories are different from each other Gender Grocery Discount Membership Total chainsoe warehouse emale Male lota 207 112 119 414 286 700 106 78 17 II Determine the Female expected frequencies B188.67, 105.87,119.47 , 10 231.11,82.30, and 101.55 D. 275.46, 95.64, and 120xs li. 275.37:125.48, and 127w) um?-',' 1,11?,,/4. 12. Determine the Male expected frequencies 130.33, 73.13,and K2.53 x1s107, 65.34, and 71.23 "Hei', .40.,"(47),! 03-41 D. 251.23.89,93, and 100.8 F 275.37, 125.48, and 127 82 13. Compute the Female sample proportions. A. 0.312, ,716, and 0.323 B.0.322, 0.198, and 0.137 C0.320,0.456, and 0,423 D 0.649, 0.564, and 0.525 1-3 0.759,0.456, and 0.436 o-Explanation / Answer
from above:
11) option B
12)option A
13) female sample proportions =(207/319) : (101/179): (106/202) option D
14)from above option C
15)degree of freeom =2; hence criitcal value =5.991
option E
16)option D
as it seems all options are rightly ticked please let me know what exaclty you need help for so that I may heklp
Observed O grocery discount store membership Total female 207 101 106 414 male 112 78 96 286 Total 319 179 202 700 Expected E=rowtotal*column total/grand total grocery discount store membership Total female 188.67 105.87 119.47 414 male 130.33 73.13 82.53 286 Total 319 179 202 700 chi square =(O-E)^2/E grocery discount store membership Total female 1.7817 0.2236 1.5184 3.524 male 2.5791 0.3237 2.1980 5.101 Total 4.361 0.547 3.716 8.625Related Questions
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