Purchase Solution

# F-test

Not what you're looking for?

The following hypotheses are given:

Ho: s2 sub 1 = s2 sub 2
H1: s2 sub 1 = s2 sub 2

A random sample of five observations from the first population resulted in a standard deviation of 12. A random sample of seven observations from the second population showed a standard deviation of 7. At the .01 significance level, is there more variation in the first population?

##### Solution Preview

(1) Calculate your test statistic. The F statistic is calculated by dividing one of the standard deviations by the other. Choose which goes in the numerator and which goes in the denominator so that F is greater ...

##### Free BrainMass Quizzes

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

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.

##### Measures of Central Tendency

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

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.