# Sw oregon 243121550 255121550 52121550 central oregon

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SW Oregon =243*(121/550) =255*(121/550) =52*(121/550)
Central Oregon =243*(108/550) =255*(108/550) =52*(108/550) Eastern Oregon =243*(111/550) =255*(111/550) =52*(111/550) Now that we calculated the Expected Counts we need to find the Test Statistic. Test Stat = You will need to use all 12 Count values but I am only showing you 3 because there isn't room to write out the entire equation. Question 10 of 20 0.0/ 1.0 Points Click to see additional instructions A local gym is looking in to purchasing more exercise equipment and runs a survey to find out the preference in exercise equipment amongst their members. They categorize the members based on how frequently they use the gym each month – the results are below. Run an independence test at the 0.01 level of significance. Free Weights Weight Machines Endurance Machines Aerobics Equipment 0-10 Uses 12 17 25 13 11-30 Uses 20 18 9 9 31+ Uses 26 12 11 9 Enter the P -Value - round to 4 decimal places. Make sure you put a 0 in front of the decimal.
0-10 Uses =58*(67/181) =47*(67/181) =45*(67/181) =31*(67/181) 11-30 Uses =58*(56/181) =47*(56/181) =45*(56/181) =31*(56/181) 31+ Uses =58*(58/181) =47*(58/181) =45*(58/181) =31*(58/181) Now that we calculated the Expected Count we can use Excel to find the p-value. Use =CHISQ.TEST(highlight actual counts, highlight expected counts) = 0.0144 Question 11 of 20 0.0/ 1.0 Points Click to see additional instructions A restaurant chain that has 3 locations in Portland is trying to determine which of their 3 locations they should keep open on New Year’s Eve. They survey a random sample of customers at each location and ask each whether or not they plan on going out to eat on New Year’s Eve. The results are below. Run a test for independence to decide if the proportion of customers that will go out to eat on New Year’s Eve is dependent on location. Use α=0.05 Enter the P -Value - round to 4 decimal places. Make sure you put a 0 in front of the decimal. .