A Random Sample Of 500 Shoppers In Irvine Were Selected And Were Asked Where They Do Regular Grocery Shopping The Follo 1 (214.64 KiB) Viewed 84 times
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A Random Sample Of 500 Shoppers In Irvine Were Selected And Were Asked Where They Do Regular Grocery Shopping The Follo 2 (21.66 KiB) Viewed 84 times
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A Random Sample Of 500 Shoppers In Irvine Were Selected And Were Asked Where They Do Regular Grocery Shopping The Follo 3 (19.41 KiB) Viewed 84 times
A random sample of 500 shoppers in Irvine were selected and were asked where they do regular grocery shopping. The following table shows the results. Ranch 99 Costco Trade Joe's Total Male 30 55 35 120 Female 120 195 65 380 Total 150 250 100 500 According to the information, conduct an appropriate test to determine if the percentage of female shoppers at these three stores are the same (a = 0.01). Answer the following two questions.
Calculate the test statistic. Keep 3 decimals.
What is the critical value? Keep 3 decimals.
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