Given the following null and alternative hypotheses H0 2 50 HA 2 50 a Test when n 12, s 9, and 0 10 Be certain to state the decision rule b Test when n 19, s 6, and 0 05 Be certain to state the decision rule ...

a The random sample consists of n 12 observations so df 11 The sample variance is s 2 9 2 81 The te ...

Given the following null and alternative hypotheses H0: 2 = 50 HA: 2 50 a. Test

Question:

Given the following null and alternative hypotheses
H0: σ2 = 50
HA: σ2 ≠ 50
a. Test when n = 12, s = 9, and α = 0.10. Be certain to state the decision rule.
b. Test when n = 19, s = 6, and α = 0.05. Be certain to state the decision rule.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

See More Books

Question Posted: Dec 02, 2015 02:33 AM

See More Questions

Given the following null and alternative hypotheses H0: 2 = 100 HA: 2 100 a. Test when n = 27, s = 9, and = 0.10. Be certain to state the decision rule. b. Test when n = 17, s = 6, and = 0.05. Be...
Given the following null and alternative hypotheses HO: p 0.60 HA: p < 0.60 test the hypothesis using a = 0.01 assuming that a sample of n = 200 yielded x = 105 items with the desired attribute.
You are given the following null and alternative hypotheses: Calculate the probability of committing a Type II error when the population mean is 197, the sample size is 36, and the population...
The director of cost management for Odessa Company uses a statistical control chart to help management determine when to investigate variances. The critical value is 1 standard deviation. The company...
The following table summarizes sales by day of the week at a convenience store operated by a major domestic gasoline retailer. The data cover about one year, with 52 values for each day of the week....
During the month of September, the most active month for hurricanes on the Atlantic side of the United States, an average of 2.4 hurricanes strike the US coastline (source: aoml.noaa.gov). Assume...
Verify by direct substitution that the functions \(r^{n} \cos (n \theta)\) etc. shown in the text satisfy the Laplace equation in polar coordinates. Calculate the streamfunction for the...
Take the role of an investment analyst at Merrimack Lowell. It is your job to recommend investments for your client. The only information you have is the following ratio values for two companies in...
What role does strategic communication play in crisis mitigation and reputation management, leveraging narrative frameworks to maintain stakeholder trust and confidence?
You are an exporter of industrial compressors, based in France. You are contemplating entering Red Country. A series of shocks slowed economic growth in Red Country sharply to +2.3% from +4.1% in the...
Freedom Hospital is in the midst of contract negotiations with its resident physicians. There has been a lot of discussion about the hospitals ability to pay and the way patients are charged. The...
The Transportation Security Administration (TSA) examined the possibility of a Registered Traveler program. This program is intended to be a way to shorten security lines for trusted travelers. USA...
Let v = (2, 5) and w = (3, 2). Sketch v, w, and 2v 3w.
Explain Adorno and Horkheimer's approach to products of popular culture and mass media.
Do you believe you have an internal or external locus of control when it comes to your health? Please explain how this orientation to health may contribute to an individual's decision to get the...
Your assignment this week is to do some research on current legislation on policies that support families either local or that are being debated at the federal level. An example is this plan released...
Discuss the influence of Stuart Hall in the development of the field of cultural studies.
If the president of a country needs some support to arrange governance issues, would you recommend a coach or a mentor ? Which one would be better to use and when to use coach and mentor.
A camera is used to photograph a kitten. The camera is equipped with a standard lens that has a focal length of 50 mm. The camera is focused by moving the lens closer to or farther away from the film...
on 8 For the following set of lengths 130, 170, 160, 160, 150, 190 Third quartile is: et red d out of Select one: O a. 160 a question O b. 145 O c. 175 O d. 180
The number of defective microchips produced by machine # 6 during each of the last 24 hours of operation is shown in the frequency table below: Defectives x No. of hours f(x) 0. 9 1 6 2 4 3 3 4 2...
The table below shows the size of American house-holds as reported by the U.S. Census Bureau. (U.S.Census Bureau, Current Population Survey.) Size of household x No. of households (millions) f(x) 1.....
Tom Fadden lists the number of sales calls he made on each of the past 14 days: Sales Calls x No. of days f(x) 4.. 1 5.. 3 6.. 4 7.. 4 8.. 2 Total = 14 a. Compute the mean number of sales calls made...
1. What is service-oriented architecture and how is it different from Web services architecture? 2. What is the role of the systems approach in the SDLC? 3. Briefly discuss the key phases of the SDLC...
1. Define the role of CRM in your own words. 2. What are the key differences between todays CRM and the early generation of CRMs? 3. How does CRM impact the companys bottom line or performance? 4....
What do you think are Thorndike's major contributions to learning theory and teaching? Share a time when you have observed Connectionism. How useful do you think the theory of Connectionism is in an...

Given the following null and alternative hypotheses H0: 2 = 50 HA: 2 50 a. Test

Question:

Step by Step Answer:

a The random sample consists of n 12 observations so df 11 The sample variance is s 2 9 2 81 The te...View the full answer

Business Statistics A Decision Making Approach

Students also viewed these Statistics questions