266. Modify an essay's format as instructed.
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Probability Essay
Question 1
A side by side graph has a good and easy to use visual representation that can be used to
study current as well as the historical data. Also, it is very easy to identify a trend using the side
by side graph. The suitability of the graph used for representing data depends on the use of the
data and the desired results. For example, a bar chart would be more appropriate for representing
categorical data and identifying data trends than a pie chart. A pie chart, on the other hand, can
be used to create a visual impression of the current data.
Test statistic F= s12/s22 = 32/2.52=1.44
Degree of freedom = (n1-1, n2-1) = (25-1, 17-1) = (24, 16)
Critical F0.05 (24, 16) = 2.2354
As calculated F
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