An example in Chapter 4 compared R&D expenditure in Britain and Germany. The sample data were: x
Question:
An example in Chapter 4 compared R&D expenditure in Britain and Germany. The sample data were:
x̅1 = 3.7 x̅2 = 4.2
s1 = 0.6 s2 = 0.9
n1 = 20 n2 = 15
Is there evidence, at the 5% significance level, of difference in the variances of R&D expenditure between the two countries? What are the implications, if any, for the test carried out on the difference of the two means, in Chapter 4?
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Related Book For 
Statistics For Economics Accounting And Business Studies
ISBN: 978027368308
4th Edition
Authors: Michael Barrow
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