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十个馒头 · 2022年07月13日

C选项正确是因为one-tailed 也可以称之为one-sided吗

NO.PZ2015120604000135

问题如下:

Ida Lee and his team collect a lot of analysis of statistical data about the car market. According to the data, they come to the conclusion that the mean price of SUV is more than $46,435 in his country. Then they randomly select 64 SUVs whose mean price is $46,470. Assume the standard deviation of the population is 1370. Ida Lee conducts a hypothesis test to check their conclusion. Which of the following test is least appropriate ?

选项:

A.

One-tailed test.

B.

Two-tailed test.

C.

One-sided test.

解释:

B is correct.

The null hypothesis is: H0: μ≤ $46,435, then Hα: μ>$46,435, which indicates it is a one-tailed test, also called one-sided test.

题干问which is least appropriate?所以选B

C选项正确是因为one-tailed 也可以称之为one-sided吗

1 个答案
已采纳答案

星星_品职助教 · 2022年07月13日

同学你好,

对的,即解析中的“...it is a one-tailed test, also called one-sided test.”

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