Question: The null hypothesis is that the population mean is equal to 400. The sample average is 462 and the t-statistic is equal to 2.82. The

The null hypothesis is that the population mean is equal to 400. The sample average is 462 and the t-statistic is equal to 2.82. The critical values of the test are +- 1.96. You should conclude that

A. the mean is significantly greater than 400

B. The mean does not significantly differ from 400

C. The mean is significantly less than 400

D. The mean is equal to 400

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Student ID: 21820664 Exam: 250713RR - Sampling Distributions and Estimation; Hypothesis Testing When you have completed your exam and reviewed your answers, click Submit Exam. Answers will not be...

Can you help me answer the first and the secont and could you please tell me about the reason? 1314 You begin any hypothesis test by formulating a null and an alternative hypothesis. The null...

can you please shie in steps . 2. In a test of hypothesis, the null hypothesis is that the population mean is equal to 80 and the alternative hypothesis is that the population mean is equal to 80....

Solve the following. Please note, the answers that are attached are the only acceptable answers. I have already double-checked the questions, and clarified (already tried answering) with my...

Question 4 i. The figure below provides information on a univariate time series variable, labour (1): 6000 5600 han har hon 5200 4800 4400 4000 95 96 97 98 99 00 01 02 03 04 Labour provides...

Statistics NNN Name: (print) Email ID: Section: Homework 4 (non-Excel portion) Fall 2019 Due in class on Friday, October 25, 2019. Answers may be typed or handwritten. Take your answers out to at...

1. An investigation is conducted to determine if the mean age of welfare recipients differs between two cities A and B. Random samples of 60 and 40 welfare recipients are selected from city A and...

1-For the given data find the test statistic,(a)find the standard test statistic.(b) find the standard test statistic(C)Decide weather the standard test statistic is the rejection region.(D) Decide...

Conduct a 2-tailed Hypothesis Test State your hypothesis in words and symbols Critical value Summarize data into appropriate test statistic Evaluate and interpret the null hypothesis. Compute the 95%...

Explain in your own words what is meant by the phrase A fund is a fiscal and an accounting entity Is it true that resources related liabilities and residual equities or balances and changes are...

True Data models are unique to Power Pivot. False

2.Hal apa yang bisa dilakukan oleh seorang auditor jika ingin mengurangi risiko audit? [30 poin]

Variable Overhead Variances [L04] Order-Up Company provides customer help centre services for online merchants. The company maintains catalogues and service manuals for stock items carried by its...