Purchase Solution

Statistics - Chi-square distribution

Not what you're looking for?

Ask Custom Question

A) Suppose that X 2nd power follows a chi-square distribution with 11 degrees of freedom. Compute P(x 2nd power lesser than or equal to 8). Round your answer to at least three decimal places.

b) Suppose again that X 2nd power follows a chi-square distribution with 11 degrees of freedom. Find k such that P(X 2nd power greater than k) = 0.025. Round your answer to at least two decimal places.

c) Find the median of the chi-square distribution with 11 degrees of freedom. Round your answer to at least two decimal places.

Purchase this Solution

Solution Summary

This solution shows all the steps to compute the given problems involving a chi-squared test.

Solution Preview

(a) P(Chi-square lesser than or equal to 8) = 0.2867

(b) P(Chi-square ...

Purchase this Solution


Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.