What is the very first step in a hypothesis test?

Question

BlackTom AI · Accepted Answer

Question: What is the very first step in a hypothesis test?

Option analysis:
- There are no answer options provided to analyze individually. The list of answer choices is empty (answer_options is an empty array), so we cannot evaluate each option as requested.

General reasoning about the correct first step in a hypothesis test:
- In a standard hypothesis testing framework, the very first concrete step is to formulate the hypotheses. This means specifying the null hypothesis (H0) and the alternative hypothesis (Ha or H1) that reflect the claim or question being tested. This step sets the direction and scope of the test and determines what constitutes evidence against H0.
- After stating the hypotheses, one would typically choose a significance level (alpha), identify the test statistic, and decide the sampling distribution under H0. Only then is data collection and calculation of the test statistic performed.
- The notion of "assuming the claimed value for the population parameter is true" corresponds more to a conditional setup used in some teaching explanations (e.g., to describe what happens when H0 is true while computing a p-value). However, procedurally, this is not the first step; it is more of a conceptual scaffolding used when constructing the sampling distribution under H0 for p-value calculation.
- Therefore, the most accurate description of the first step is to clearly state the null and alternative hypotheses, not to assume the claimed parameter value as the starting point for the test.

If you later provide the actual list of answer options, I can map each option to this reasoning and indicate which is correct or incorrect with specific justification.

stat_400_120258_253926 PA11-3

What is the very first step in a hypothesis test?

查看解析

登录即可查看完整答案

类似问题

Which one is true?

For an upper-tail hypotheses about a population mean with σ known and α=5%, which one is the rejection region?

For a given sample, the P-value for upper tail test is x, and the P-value for two-tailed test is y, then

For a two-tailed hypothesis test with a test statistic value of z = 2.09, the p-value is _____.

For a sample size of 30, changing from using the t distribution to using the standard normal distribution in a hypothesis test _____.

Exhibit 9-5 n = 16 H0: μ ≥ 80 = 75.607 Ha: μ < 80 σ = 8.6 Assume the population is normally distributed. Refer to Exhibit 9-5. The p-value is equal to _____.

Exhibit 9-1 Refer to Exhibit 9-1. If the test is done at a .01 level of significance, the null hypothesis should _____.

What conclusion for a test would correctly detect a difference between the actual parameter and the hypothesized value for the parameter? c08.p089.q0008

更多留学生实用工具

考试浏览器助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单

stat_400_120258_253926 PA11-3

What is the very first step in a hypothesis test?

查看解析

登录即可查看完整答案

类似问题

Which one is true?

For an upper-tail hypotheses about a population mean with σ known and α=5%, which one is the rejection region?

For a given sample, the P-value for upper tail test is x, and the P-value for two-tailed test is y, then

For a two-tailed hypothesis test with a test statistic value of z = 2.09, the p-value is _____.

For a sample size of 30, changing from using the t distribution to using the standard normal distribution in a hypothesis test _____.

Exhibit 9-5 n = 16 H0: μ ≥ 80 = 75.607 Ha: μ < 80 σ = 8.6 Assume the population is normally distributed. Refer to Exhibit 9-5. The p-value is equal to _____.

Exhibit 9-1 ​ ​ Refer to Exhibit 9-1. If the test is done at a .01 level of significance, the null hypothesis should _____.

What conclusion for a test would correctly detect a difference between the actual parameter and the hypothesized value for the parameter? c08.p089.q0008

更多留学生实用工具

希望你的学习变得更简单

Exhibit 9-1 Refer to Exhibit 9-1. If the test is done at a .01 level of significance, the null hypothesis should _____.