Construct a 95% confidence interval to estimate 1 - 2 by using the following data. Assume the
Question:
Sample 1 .. Sample 2
x̄1 = 74.6 .... x̄2 = 70.9
s21 = 10.5 ... s22 = 11.4
n1 = 18 .... n2 = 19
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 64% (14 reviews)
Sample 1 Sample 2 1 746 2 709 s 1 2 ...View the full answer
Answered By
Suresh malla
I have good knowledge in quantity surveyor and design.
0.00
0 Reviews
10+ Question Solved
Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
Question Posted:
Students also viewed these Statistics questions
-
Construct a 90% confidence interval to estimate the population mean using the following data: x = 85 = 20 n = 10 What assumptions need to be made to construct this interval?
-
Construct a 99% confidence interval to estimate the population mean using the following data: x = 60 = 17 n = 12 What assumptions need to be made to construct this interval?
-
Construct an 80% confidence interval to estimate the population mean when x = 125 and = 32 for the following sample sizes: a. n = 30 b. n = 60 c. n = 90
-
The following is a condensed income statement for Sweets & Treats, a confectionary. Required: Determine (a) The cost of purchases and (b) Costs associated with sales and administration. Sweets &...
-
Identify the five tips for good Web searching
-
Suppose you have an employee who seems unhappy and is not performing well. Until recently, though, this person was always happy and was a top performer. What would you do?
-
What are the different types of organizational forms that corporations use for international operations?
-
On January 1, 2014, Emporia Country Club purchased a new riding mower for $15,000. The mower is expected to have an 8-year life with a $3,000 salvage value . What journal entry would Emporia make at...
-
What novel insights can be gleaned from the burgeoning field of positive psychology regarding the cultivation of psychological strengths and virtues as a means of buffering against the detrimental...
-
Bobek Inc. has recently reported steadily increasing income. The company reported income of $20,000 in 2009, $25,000 in 2010, and $30,000 in 2011. A number of market analysts have recommended that...
-
The following data come from independent samples drawn from normally distributed populations. Use these data to test the following hypotheses. Let the Type I error rate be .05. H0: 1 - 2 = 0 Ha: 1 -...
-
The following data have been gathered from two related samples. The differences are assumed to be normally distributed in the population. Use these data and alpha of .01 to test the...
-
A $15,000 investment is to be made with anticipated annual returns as shown in the spreadsheet in Figure P4-130. If the investor's time value of money is 10% per year, what should be entered in cells...
-
Solve the systems in Problems 13-16 by graphing, adding, substitution, Gauss-Jordan, or inverse matrix methods. \(\left\{\begin{array}{l}5 x+3 y=82 \\ 4 x-6 y=-10\end{array} ight.\)
-
In Problems 33-38, graph each function and then classify as a linear, quadratic, exponential, logarithmic, or probability function. \(f(x)=2 x\)
-
You work in marketing for a building company that makes modern homes for young professional couples in your country. It is a tough and competitive market, but you think you have come up with a way of...
-
You are 23 years old and decide to start saving for your retirement. You plan to save $5000 at the end of each year (so the first deposit will be one year from now) and will make the last deposit...
-
Sketch the requested conic sections in Problems 14-23 using the definition. A parabola with the distance between the directrix and focus 2 units
-
Calculate y. y = sec (1 + x 2 )
-
10m solution. If Ka(HA) = 10 then pOH of solution will be [Given : log4=0.6] (A) 6.7 (B) Greater than 6.7 & less than 7.0 (C) Greater 7.0 & less than 7.3 (D) Greater than 7.3
-
A condenser of a refrigeration system rejects heat at a rate of \(120 \mathrm{kw}\), while its compressor consumes a power of \(30 \mathrm{kw}\). The coefficient of performance of the system would...
-
Estimate with 95% confidence the number of American adults who consider themselves political independents (PARTYID3: 1 = Democrat, 2 = Independent, 3 = Republican).
-
Estimate with 95% confidence the number of Americans who consider themselves moderates (POLVIEW3: 1 = liberal, 2 = moderate, 3 = conservative).
-
Among conservatives and moderates only is there sufficient evidence to conclude that there are more moderates than conservatives (POLVIEW3: 1 = liberal, 2 = moderate, 3 = conservative)?
-
* If the function f(x) = 1 3 x + 4x + C which of the following instructions in MATLAB using to evaluate 1 dx 0 x4+4x +4 3 !!!
-
You own 1,100 shares of stock in Avondale Corporation. You will receive a $2.00 per share dividend in one year. In two years, the company will pay a liquidating dividend of $75 per share. The...
-
Company A has a total market cap of $1 billion and a d/e ratio of 0.75. Company B has a market cap of $750 million and a d/e ratio of 1.5. Which of the company represents a greater risk to the owner...
Study smarter with the SolutionInn App