Given the sample variance and sample size of each set of data, find the pooled estimate of
Question:
Given the sample variance and sample size of each set of data, find the pooled estimate of variance.
a. S2x = 13.2 nx = 15, S2y = 119 ny = 13
b. S2x = 161.2 nx = 21, S2y = 158.7 ny = 25
c. S2x = 32.1 nx = 60, S2y = 48.6 ny = 40
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 71% (7 reviews)
Result a S2x 132 nx 15 S2y 119 ny 13 Pooled Variance S2x S2y ...View the full answer
Answered By
Enock Oduor
I am a chemist by profession, i coach high school students with their homework, i also do more research during my free time, i attend educational and science fair seminars where i meet students and do some projects.
0.00
0 Reviews
10+ Question Solved
Related Book For
Cambridge International AS & A Level Further Mathematics Coursebook
ISBN: 9781108403375
1st Edition
Authors: Lee Mckelvey, Martin Crozier
Question Posted:
Students also viewed these Sciences questions
-
Data Set 15 in Appendix B lists 48 different departure delay times (minutes) for American Airlines flights from New York (JFK) to Los Angeles. Negative departure delay times correspond to flights...
-
Moreover, calculate the (approximate) value of the 45th percentile. 1. (3 points) Circle the data set with the largest standard deviation. 2 1 34 2. (3 points) Most affected by extreme values. A....
-
Determine the sample variance and standard deviation for the following data by using the computational formula. Class f 5under 9 .........20 9under 13 .........18 13under 17 ........ 8 17under 21...
-
A charge q is placed a distance from the origin, and a charge 2q is placed a distance 2r. There is a charge Q at the origin. If a charges are positive, which charge is at the higher potential? A q B)...
-
Bonds with a maturity value of $40 000 in 7.5 years, bearing interest at 8% payable quarterly, are sold to yield 6.8% compounded semi-annually. Determine the purchase price of the bonds.
-
Reginald is about to lease an apartment for the year. The landlord wants the lease payments paid at the start of the month. The twelve monthly payments are $1,300 per month. The landlord says he will...
-
Define a vertical restraint on trade, and contrast this definition with that of a horizontal restraint on trade. Which type of restraint is considered to be a greater threat to competition under the...
-
The following information relates to the operating performance of two divisions of World Electronics, Inc., for last year. a. Compute the return on investment (ROI) of each division, using total...
-
2. 42. 33 43 A. B. Which of the above atoms belong to inert element R S C. T D. U A. If atom R belong to element R ant atom V belong to element V, what would be the formula of the compound formed...
-
Grundvig Manufacturing produces several types of bolts used in aircrafts. The bolts are produced in batches and grouped into three product families. Because the product families are used in different...
-
For each of the following pairs of data, find the sample mean of the difference, d, and the unbiased estimator of the variance of the distance, S 2 d . a. b. c. X 124 139 128 119 119 112 113 128 113...
-
For the given data, find unbiased estimates for the mean and variance. a. 12, 16, 17, 19, 13, 14, 11, 16, 19, 21, 14, 15 b. 143, 154, 156, 145, 144, 132, 135, 148, 171, 124
-
Q1. On the balance sheet, double counting a portion of ending inventory will result in (understating / having no affect on / ________) ending inventory and (understating / having no affect on /...
-
Describe a new insight or perspective gained after reviewing this week's review of the IHI ACA video as it relates to quality and finance. How do you foresee this perspective impacting your practice.
-
Question: How does the saving rate of middle-career individuals compare with that of retirees? Please explain the economic reasoning.
-
Argentina : review the macro indicators and make a relevant forecast You are representing an international company that would like to invest in local real estate designated for rental for low income...
-
Define the three theoretical perspectives and sociological imagination on divorce which are Structural Functionalism, Symbolic Interactionism, and Conflict Perspective. Give three example of each as...
-
Rover plc's Income Statement for the year ended 31 December 2020 and the Statements of Financial Position as at 31 December 2019 and 2020 are as follows: Income Statement for the year ended 31st...
-
An electric heater is plugged into an ac outlet. Since the ac current changes polarity, there is no net movement of electrons through the heating element; the electrons just tend to oscillate back...
-
What is the mode?
-
An alkyne with molecular formula C 4 H 6 was treated with ozone followed by water to produce a carboxylic acid and carbon dioxide. Draw the expected product when the alkyne is treated with aqueous...
-
Starting with acetylene, show the reagents you would use to prepare the following compounds: (a) 1-Butyne (b) 2-Butyne (c) 3-Hexyne (d) 2-Hexyne (e) 1-Hexyne (f) 2-Heptyne (g) 3-Heptyne (h) 2-Octyne...
-
Preparation of 2,2-dimethyl-3-octyne cannot be achieved via alkylation of acetylene. Explain.
-
Will give great answer review and answer rating describe in great detail Explain the rules and style guidelines for data flow diagrams. Describe the process used to create data flow diagrams. ...
-
There are three resource types available for a certain project. One unit of each resource type is available. The project manager wants to evaluate the project cost on the basis of how resource teams...
-
Describe the process of synthetic division. When is synthetic division not useful for dividing polynomials? What happens when we divide a polynomial by x? Can we use synthetic division to do this?...
Study smarter with the SolutionInn App