(Choose 1 answer)
(See picture)
A. Z test for the difference between two proportions
B. t test for the difference between two means
C. F test for the ratio of variances
D. Separate variance t test for the difference between two means
Moving companies are required by the government to publish a Carrier Performance Report each year. One of the descriptive statistics they must include is the annual percentage of shipments on which a $50 or greater claim for loss or damage was filed. Suppose two companies, Econo-Move and On-the-Move, each decide to estimate this figure by sampling their records, and they report the data shown in the following table.
Econo-Move
900
On-the-Move
750
60
Total shipments sampled
Number of shipments with a claim ≥$50 162
The owner of On-the-Move is hoping to use these data to show that the company is superior to Econo-Move with regard to the percentage
hish
Exit 3
