Question: For the data in Exercise 4, a) Test the null hypothesis at = 0.05 using the pooled t-test. (Show the t-statistic, P-value, and conclusion.)

For the data in Exercise 4,

a) Test the null hypothesis at α = 0.05 using the pooled t-test. (Show the t-statistic, P-value, and conclusion.)

b) Find a 95% confidence interval using the pooled degrees of freedom.

c) Are your answers different from what you previously found in Exercise 12? Explain briefly why or why not.

Step by Step Solution

★★★★★

3.49 Rating (169 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

a The pooled tstatistic is The Pvalue is 05533 Conclusion Do not reject the null hypothesis th... View full answer

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

Document Format (1 attachment)

Word file Icon

452-M-C-M-S (50).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Q:

For the data in Exercise 71, set up a grouped data frequency table using classes 0 to under 5 and 5 to under 10. In exercise a. Draw the corresponding histogram. b. Use the grouped data table to...

Q:

For the data in Exercise 20.5 we could say that 3 out of 10 residents used fewer hypotheses the second time and 7 used more. We could test this with x2. How would this differ from Friedmans test...

Q:

For the data in Exercise 71, set up a grouped data frequency table using classes 0 to under 3, 3 to under 6, and 6 to under 9, and 9 to under 12. In exercise a. Draw the histogram. b. Estimate the...

Q:

For the data in Exercise 2, a) Test the null hypothesis at = 0.05 using the pooled t-test. (Show the t-statistic, P-value, and conclusion.) b) Find a 95% confidence interval using the pooled degrees...

Q:

For the data in Exercise 1, a) Test the null hypothesis at = 0.05 using the pooled t-test. (Show the t-statistic, P-value, and conclusion.) b) Find a 95% confidence interval using the pooled degrees...

Q:

A developer wants to know if the houses in two different neighborhoods were built at roughly the same time. She takes a random sample of six houses from each neighborhood and finds their ages from...

Q:

Hi there, Please help me to solve all 4 questions for those parts that doesn't have answer. Thanks! 9 ) Professors collected data consisting of eye color and gender of statistics students. Among 926...

Q:

Below is the data for a personality questionnaire measuring "Openness to New Experiences". These data were taken from a random sample of 100 undergraduate psychology majors. In the general...

Q:

11.13 Swampy Sites An ecological study was conducted to compare the rates of growth of vegetation at four swampy undeveloped sites and to determine the cause of any differences that might be...

Q:

Location Income ($1,000) Urban 27 Rural 25 Suburban 25 Suburban 26 Rural 30 Urban 29 Rural 33 Urban 30 Suburban 32 Urban 34 Urban 35 Urban 40 Rural 30 Rural 33 Urban 42 Suburban 32 Urban 43 Urban 43...

Q:

1. Given the above information, what do you expect LG's total interest expense to be in a conservative scenario? I think we should start with 74% of assets using long term financing with the...

Q:

(a) Find the slope of the tangent to the parabola y = 1 + x + x2 at the point where x = a. (b) Find the slopes of the tangent lines at the points whose -coordinates are (i), (ii), and (iii) 1. (c)...

Q:

The projected balance sheet may indicate an unsatisfactory financial condition. Discuss.

Q:

A project manager is currently ensuring that the stakeholders clearly understand the project goals, objectives, benefits and risks. This relates to which of the following processes? A. Control...

Q:

A research analyst is trying to determine whether a firms price-earnings (P/E) and price-sales (P/S) ratios can explain the firms stock performance over the past year. A P/E ratio is calculated as a...

Q:

There has been a lot of discussion regarding the relationship between Scholastic Aptitude Test (SAT) scores and test-takers family income (New York Times, August 27, 2009). It is generally believed...

Q:

Many of todays leading companies, including Google, Microsoft, and Facebook, are based on technologies developed within universities. Lisa Fisher is a business school professor who would like to...

Q:

Bill Clinton reportedly was paid $15.0 million to write his book My Life. The book took three years to write. In the time he spent writing, Clinton could have been paid to make speeches. Given his...

Q:

with steps please Question 3 (45 marks) The vapor-liquid equilibrium data for a binary liquid solution containing methanol (1) - methyl acetate (2) at 101.3 kPa is given in Table 2. Assume that the...

Q:

What is the after-tax discount rate? ANSWER: What is the present value of the after-tax net returns? ANSWER: What is the present value tax savings from depreciation? ANSWER: What is the present value...