Textbook ExpertVerified Tutor
15 Dec 2021
Given information
If , the distribution is _____________. If , the distribution is ________________.
Step-by-step explanation
Step 1.
In the given case, when ,
The Chi-square distribution curve can be approximated as a normal distribution curve.
Let the correspondence between them be represented by , then
The population means can be calculated as follows:
Thus, the random variable in the case of Chi-square distribution in the form of the normal distribution is approximated as follows:
.
If , the distribution is right-skewed because the curve of Chi-square distribution is one with a right bend.
Hence, If , the distribution is . If , the distribution is .
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