Question: Test H 0 : = 15 vs H a : > 15 using the sample results x = 17.2, s = 6.4, with

Test H₀: μ = 15 vs H_a : μ > 15 using the sample results x̅ = 17.2, s = 6.4, with n = 40.

Use the t-distribution and the sample results to complete the test of the hypotheses. Use a 5% significance level. Assume the results come from a random sample, and if the sample size is small, assume the underlying distribution is relatively normal.

Step by Step Solution

★★★★★

3.44 Rating (173 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

In general the standardized test statistic is In this test for a mean the sample statistic is x 17... View full answer

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 Statistics The Art and Science Questions!

Suppose that we wish to test H0: = 80 versus Ha: > 80, where the population standard deviation is known to equal 20. Also, suppose that a sample of 100 measurements randomly selected from the...

Suppose that we wish to test H0: = 20 versus Ha:

Suppose that we wish to test H0: = 40 versus Ha: 40, where the population standard deviation is known to equal 18. Also, suppose that a sample of 81 measurements randomly selected from the...

5. We want to test H..: p = 1.5 vs. H..: p 1.5 at a = 0.05. A 95% condence interval for a\" calculated from a random sample is 1.4 to 3.6. Based on this nding we (a) fail to reject Ho. (b) reject...

STAT 200 QUIZ 3 Section 6361 Summer 2017 I have completed this assignment myself, working independently and not consulting anyone except the instructor. NAME_____________________________ INSTRUCTIONS...

STATS mintab express lab, please and thank you in advance! (pictures uploaded a a odd order the fourth picture is the start) you can see the problem numbers 1-20 scattered To investigate the effect...

1. Suppose a least-squares regression line is given by y = 4.302x 3.293. What is the mean value of the response variable if x = 20? y 20 = (Round to one decimal place as needed.) 2. In the...

Please help me answer PRACTICE EXERCISE with SOLUTION 10. A random sample of size 8 drawn from a normal population yielded the following results: x - 289, s = 46. Test H : J = 250 vs. H : u > 250 at...

Score: Week 4 Confidence Intervals and Chi Square (Chs 11 - 12) For questions 3 and 4 below, be sure to list the null and alternate hypothesis statements. Use .05 for your significance...

What entry modes would you use if you were to take a Pakistani brand to a new market to a market of your choice (Choose the market and state what it is and also state which trade body/regional trade...

Which test on the reagent strip can indicates the presence of liver disease? a. Bilirubin O b. Urobilinogen C. Blood d. Glucose

Capital is / are the funds Group of answer choices utilized to acquire long - term and short - term or current assets received from customers from accounts receivable. utilized to acquire long - term...

Let X have a beta (3, 5) distribution. (a) Find E(X). (b) Find V ar(X).

Social Security Disability Insurance a program that pays monthly benefits to individuals who have become disabled before reaching retirement age and arent able to work. SSDI costs were recorded for...

Social Insurance Old Age Survivor Insurance provides a pension for Americans who are over 60 years of age and whose spouse has died. Costs for 1958 to 2015 were recorded. Draw the following line...

The defense budget for years 1935 to 2015 were recorded. Draw the following line charts and briefly describe what the chart tells you about each variable. a. Original data b. Per capita data c. Per...

Problem 1.1 Not all probability distributions or their inverse are always easy to calculate, e.g. using Excel functions. In such cases, simulation can often be used. Here are a couple of such...

Hubbard's Pet Foods is financed 80 percent by common stock and 20 percent by bonds. The expected return on the common stock is 12 percent and the rate of interest on the bonds is 6 percent. Assuming...

What are the advantages of Event - Driven programming