Survey Data and Information in the Media
Not what you're looking for?
How much does understanding the concept of confidence interval affect the way you draw conclusions from survey data or information presented in the news or media?
Purchase this Solution
Solution Summary
This solution provides an explanation for how the concept of confidence intervals will affect conclusions drawn from survey data or information presented in the news or media.
Solution Preview
Lets start right with an example.
The university campus wants to know how many people eat at the cafeteria on a daily basis.
Lets say that a survey concludes that 10,000 of students eat at the cafeteria on a daily basis. This number sounds interesting - is 10,000 a good number? Is the cafeteria doing well? We have no way of knowing from this number. We need more information. This is where the confidence interval comes into play.
What is the survey then says that we are 95% confident that the between 8,000 to 10,000 students eat at the cafeteria every day. How does this sound? A 95% confidence interval is an interval generated by a process that's right 95% of the time. What if we then say that we are 70% confident that between 5,000 to 14,000 ...
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.