You are interested in testing the equality of variances of two normally distributed populations (population X and population Y). In particular, you are testing Ho: The two variances are equal against H: The two variances are not equal by taking n,-19 samples from population X and n,-16 samples from population Y. If you found your test statistic as 1.3, what is the p value associated with this test? O A) The area to the left of 1.3 under the Fo14 distribution B) The area to the right of 1.3 under the F16 distribution. C)Two times the area to the night of 1.3 under the Fa1s distribution O DIThe area to the right of 24 under the Fs distribution E) The area to the right of 24 under the Fisa distribution

You are interested in testing the equality of variances of two normally distributed populations (population X and population Y). In particular, you are testing Ho: The two variances are equal against H: The two variances are not equal by taking n,-19 samples from population X and n,-16 samples from population Y. If you found your test statistic as 1.3, what is the p value associated with this test? O A) The area to the left of 1.3 under the Fo14 distribution B) The area to the right of 1.3 under the F16 distribution. C)Two times the area to the night of 1.3 under the Fa1s distribution O DIThe area to the right of 24 under the Fs distribution E) The area to the right of 24 under the Fisa distribution

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Comparative Advantage and Absolute Advantage Analysis

The theory of absolute advantage was given by Adam Smith in the year 1776.

Question

You are interested in testing the equality of variances of two normally distributed populations (population X and population Y). In particular, you
are testing Ho: The two variances are equal against H: The two variances are not equal by taking n,-19 samples from population X and ny-16
samples from population Y. If you found your test statistic as 1.3, what is the p value associated with this test?
A) The area to the left of 1.3 under the F19,14 distribution.
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B) The area to the right of 1.3 under the F19.16 distribution.
5.
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C) Two times the area to the right of 1.3 under the F1a,15 distribution.
7.
D) The area to the right of 2.4 under the Fa15 distribution.
8.
9.
O E) The area to the right of 2.4 under the F1518 distribution
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.

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Question: In a survey of buying habits, 400 women shoppers are chosen at random in super market 'A' located in a certain section of the city. Their average weekly food expenditure is dollar 250 with a standard deviation of Dollar 40. For 400 women shoppers chosen at random in super market 'B' in another section of the city, the average weekly food expenditure is Dollar 220 with a standard deviation of Dollar 55. Test at 1% level of significance whether the average weekly food expenditure of the two populations of shoppers are equal.