The two samples 70, 80, 30, 70, 60, 80 and 140, 120, 130, 120, 120, 130, 120
Question:
The two samples 70, 80, 30, 70, 60, 80 and 140, 120, 130, 120, 120, 130, 120 are values of the differences of temperatures (°C) of iron at two stages of casting, taken from two different crucibles. Is the variance of the first population larger than that of the second? (Assume normality. Choose α = 5%).
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 83% (12 reviews)
2 2 We test the hypothesis against the alternative We proceed as ...View the full answer
Answered By
Charles mwangi
I am a postgraduate in chemistry (Industrial chemistry with management),with writing experience for more than 3 years.I have specialized in content development,questions,term papers and assignments.Majoring in chemistry,information science,management,human resource management,accounting,business law,marketing,psychology,excl expert ,education and engineering.I have tutored in other different platforms where my DNA includes three key aspects i.e,quality papers,timely and free from any academic malpractices.I frequently engage clients in each and every step to ensure quality service delivery.This is to ensure sustainability of the tutoring aspects as well as the credibility of the platform.
4.30+
2+ Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Statistics questions
-
Two independent samples from a normal population are taken with the following summary statistics: Construct a 95% confidence interval for 12 / s22. 24 S1 n212 2.6 2-0.5
-
Samples A and B are at different initial temperatures when they are placed in a thermally insulated container and allowed to come to thermal equilibrium. Figure a gives their temperatures Z versus...
-
Samples of size n = 5 are taken from a manufacturing process every hour. A quality characteristic is measured, and x and R are computed for each sample. After 2 samples have been analyzed, we have...
-
15. Show that the frequency of revolution of the electron in the Bohr model hydrogen atom is given by v = 2|E|/hn where E is the total energy of the electron. 16. Show that for all Bohr orbits the...
-
Warren Enterprises, Inc., completed the following selected transactions and prepared these adjusting entries during March: Mar 1 Prepaid insurance for Mar through May, $1,800. 3 Performed service on...
-
The City of Paradise Falls plans to develop a golf course during 2013 and account for it as the Golf Enterprise Fund (GEF). The course will be built on a parcel of land to be purchased from a private...
-
The stockholders' equity of Elsworth Corporation at January 1 is shown below: The following transactions, among others, occurred during the year: Apr. 1 Declared a 100 percent stock dividend on all...
-
Refer to Problem P 13-3 and assume that instead of initially signing a variable-rate loan, Cam receives a fixed rate of 8 percent on the loan on January 1, 2011. Instead of entering into a pay fixed,...
-
Exercise 12-12A (Algo) Determining cash flows from financing activities LO On January 1, Year 1, Hardy Company had a balance of $107,500 in its Common Stock account. During Year 1, Hardy paid $30,000...
-
Let A, B, C c R2 where A = {(*, y)|y = 2x + 1}, B = {(x, y)|y = 3x}, and C = {Qt, y)|jc - y = 7}. Determine each of the following: (a) A B (b) B C (c) A- C- (d) B- C-
-
Suppose that in operating battery-powered electrical equipment, it is less expensive to replace all batteries at fixed intervals than to replace each battery individually when it breaks down,...
-
Find the binomial approximation of the hypergeometric distribution in Example 1 and compare the approximate and the accurate values.
-
In 2013, the Tampa Bay Times published a series of four articles uncovering some of the worst charities in America. Read the articles (www.tampabay.com/topics/ specials/worst-charities.page) and...
-
During the 2019-2020 school year, Coach Hopkins expressed concern to the Athletic Director that her players were playing with hand me down equipment from the men's soccer team. The best soccer field...
-
Comet Products prepares its financial statements according to International Financial Reporting Standards. On January 1 , 2 0 2 4 , Comet Products issued $ 8 1 . 2 million of 7 % , 1 0 year...
-
Kenny Ltd. is considering a project that would require a $2,765,000 investment in equipment with a useful life of five years. At the end of five years, the project would terminate and the equipment...
-
Discuss the common tools used for DoS Attacks. Also, discuss what OS you will need to utilize these tools.
-
Why did Stephanie feel it was necessary to relay her findings about the use of "do not use" abbreviations to the quality department, even though looking for these abbreviations was not her...
-
Tell how a nation-state is different from a state and describe the roles of education and ideology in nation states.
-
In exchange for land, the company received a 12-month note on January 1. The face amount of the note is $1,000, and the stated rate of interest is 13%, compounded annually. The 13% rate is equal to...
-
At what t does the SDQ approximation give the smallest (i.e., closest to 0) rate of change of temperature? What is the rate of change?
-
Linear Independence is of basic importance, in this chapter, in connection with general solutions, as explained in the text. Are the following functions linearly independent on the given interval?...
-
Linear Independence is of basic importance, in this chapter, in connection with general solutions, as explained in the text. Are the following functions linearly independent on the given interval?...
-
Linear Independence is of basic importance, in this chapter, in connection with general solutions, as explained in the text. Are the following functions linearly independent on the given interval?...
-
1- Provide short review on those ratios using acceptable benchmark 2- Using Dupont analysis to identify the elements that affect ROE of the company in three selected years. 3- Analysing the...
-
In the early 1980s, the Treasury yield curve had a severe downward slope with short-term yields near 20% and long-term yields below 15%. Explain how such a pattern might occur.
-
eBook Problem 8 - 1 0 You are building a free cash flow to the firm model. You expect sales to grow from $ 2 billion for the year that just ended to $ 2 . 6 billion five years from now. Assume that...
Study smarter with the SolutionInn App