For the following below you should decide a) What test would you use? b) Why would you...

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For the following below you should decide
a) What test would you use?
b) Why would you use this test?
1. You want to know if major in university and tolerance ofambiguity are related. You choose 60 people (20 science majors, 20humanities majors and 20 phys ed majors) and give them a test whichmeasures their tolerance for ambiguity. You them separate them intolow, moderate and high tolerance groups.
2. You wonder if the amount of time it takes a person to learn anew language is related to their age. You ask an instructor at anESL (English as a second language) school to record the age of 40new students and how long it took for them to become functionallyliterate.
3. You work for a manufacturer of fake finger nails. Your bossis interested in knowing if a new procedure can reduce the costs ofmaking these nails. You randomly select the operating costs for 10days at your plant and compare them to the cost for 10 daysrandomly selected from another plant that has switched to the newsystem. The old system had an average daily cost of $5400 with avariance of 120. The new system had an average daily cost of $5210with a variance of 730.

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3.9 Ratings (500 Votes)

1 Here we can use the Chisquare test of independence The reason we would use this test is that there are two factors here ie tolerance groups and subject majors to which the student belongs Thus we can use the expected and observed See Answer

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