(Solved by Humans)-The table below shows a distribution and the observed frequencies
Question
?The table below shows a distribution and the observed frequencies of the values of a variable from a simple random sample of a population. Perform a chi-square goodness-of-fit test, at the specified significance level, to decide whether the distribution of the variable differs from the given distribution.
Distribution: 0.25 0.15 0.15 0.15 0.3
Observed freq: 28 13 14 17 28
significance level=0.01
Distribution Oi
0.25
0.15
0.15
0.15
0.3
Ei
28
13
14
17
28
100
Oi-Ei
25
15
15
15
30
(Oi-Ei)^2 (Oi-Ei)^2/Ei
3
9
0.36
-2
4
0.2666666667
-1
1
0.0666666667
2
4
0.2666666667
-2
4
0.1333333333...
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