Name the test statistics that you will use in each of the following situations.

Question

Name the test statistics that you will use in each of the following situations.

Problem 1. Name the test statistics that you will use in each of the following situations a) A researcher is conducting an experiment to compare the average amount of heat generated by two computer processors. He selected a sample of 12 computers with processor of type 1 and another sample of 12 computers with processor of type 2. He measured the amount of heat generated by each computer processor. b) A statistics professor wants to see if the performance of his students has improved after the midterm. He selected a sample of 20 students and noted their grade on the midterm and in the final exams c) The traffic department claims that, in a three lane highway, 20% of the drivers use the left lane, 50% use the middle lane and 30%use the right lane. To verify this, a researcher observed a sample of 500 drivers and noted on which lane they are driving. , The test to use is An engineer wants to study the effect of a catalyst and temperature on the yield of a chemical process. He carried a replicated experiment using all combinations of three different catalysts and four different temperatures. The test to use is d) e) When tsing the equality of three or more population proportions

Explanation / Answer

1 ) a ) Two sample t test of means .

b ) Paired t test .

c ) Chi square testing of proportions .

d ) ANOVA

e ) Chi square testing of proportions .

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