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kramer
3 years ago
8

student measuring how gasoline prices change records the cost of gas at 10 randomly selected stations in her hometown. One week​

later, she records the price again at the same 10 stations. Are these data paired or​ independent? Choose the correct answer below. Independent Paired
Mathematics
1 answer:
k0ka [10]3 years ago
8 0

Answer:

We conclude that he used a paired two-sample t-test.

Step-by-step explanation:

We know that the student measuring how gasoline prices change records the cost of gas at 10 randomly selected stations in her hometown. One week​ later, she records the price again at the same 10 stations.

We conclude that he used a paired two-sample t-test.

Because at each gas station, the student measured the price of gas twice.

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6 0
3 years ago
An article bought for $125 was sold for $175.What percentage profit was? A.28.6 percent B. 40 percent C. 50 percent D. 71.4 perc
Y_Kistochka [10]

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