Determining Significance for Studies
Not what you're looking for?
In each of the following studies a single sample's mean is being compared to a population with a known mean and an unknown variance. For each study decide whether the result is significant.
Sample Size Population Mean Estimated Pop. Variance Sample Mean Tails Level
A (N) (S 2nd power) (M)
(a) 64 12.40 9.00 11.00 1 (low .05
predicted)
(b) 49 1,006.35 317.91 1,009.72 2 (high .01
predicted)
(c) 400 52.00 7.02 .01
Purchase this Solution
Solution Summary
This solution gives calculations for determining significance for various studies.
Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
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
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.