Statistics

Problem Set 10.1

1. Find the value of X2 for 14 degrees of freedom and an area of .01 in the right tail of the chi-square distribution.

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2. Find the value of X2 for 11 degrees of freedom and an area of .025 in the right tail of the chi-square distribution.

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3. Find the value of X2 for 8 degrees of freedom and an area of .05 in the left tail of the chi-square distribution.

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4. Find the value of X2 values that separate the middle 80 % from the rest of the distribution for 20 degrees of freedom.