NEED HELP PLEASETOPIC: CONDUCTING A CHI-SQUARE

1. Problem Solving Direction: Perform steps 1-5 of the test for Goodness of Fit for the following problems. 1. A researcher wishes to see if the five ways (drinking decaffeinated beverages, taking a nap, going for a walk, eating a sugary snack, other) people use to combat midday drowsiness are equally distributed among office workers. A sample of 60 office workers is selected, and the following data are obtained. At a = 0.10 can it be concluded that there is no preference? Method Beverage Nap Walk Snack Other Number 21 16 10 8 5 2. An ABC News poll asked adults whether they felt genetically modified food was safe to eat. Thirty-five percent felt it was safe, 52% felt it was not safe, and 13% had no opinion. A random sample of 120 adults was asked the same question at a local county fair. Forty people felt that genetically modified food was safe, 60 felt that it was not safe, and 20 had no opinion. At the 0.01 level of significance, is there sufficient evidence to conclude that the proportions differ from those reported in the survey