Standard Deviation Actual Percentage Calculations
Not what you're looking for?
In a magazine article, the most recent approval rating of the president is reported. The percentage of citizens who favor the president, despite his recent involvement in a scandal, is 68% with a margin of error of +/-4%. What does this mean?
Purchase this Solution
Solution Summary
The solution assists with determining the margin of error is shown.
Solution Preview
This is because in this example, the average is 68%. If the margin of error is +/-4 ...
Purchase this Solution
Free BrainMass Quizzes
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.
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.