Empirical rule
Not what you're looking for?
In this exercise, find the indicated area under the curve of the standard normal distribution, then convert it to a percentage and fill in the blank. The results form the basis for the empirical rule.
About _______% of the area is between z = -3.5 and z = 3.5 (for within 3.5 standard deviations of the mean).
Purchase this Solution
Solution Summary
This solution finds the probability that observations from a normal distribution fall within 3.5 standard deviations of the mean, showing that the normal distribution is the basis for the empirical rule. Please see attachment.
Solution Preview
This solution finds the probability that observations from a ...
Purchase this Solution
Free BrainMass Quizzes
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.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.