Asia | Europe | North America |
82 | 26 | 20 |
44 | 38 | 29 |
118 | 32 | 51 |
145 | 27 | 19 |
55 | 23 | 17 |
131 | 44 | |
52 | 29 | |
28 |
Find critical value, show me the steps, please.
Ata=0.10
Asia Europe North
America
82 26 20
44 38 29
118 32 51
145 27 19
55 23 17
131 44
52 29
28
Answer
We have to F critical value
we need degree of freedom numerator and denominator
df(numerator) = number groups -1
= 3-1............because we have three groups(asia, europe and north america)
=2
and
df(denominator) = total data values - number of groups
= (7+8+5) - 3
= 20-3
= 17
significance level = 0.10 (given)
Open F critical table and find values for alpha = 0.10
check df1 = 2 in the first row or top most row and check df2 = 17 in the left most column or first column
then select the intersecting cell
we get
F critical = 2.645 (3 decimals)
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