Confidence Interval with t test
Not what you're looking for?
use the Confidence Interval Calculator and the Area Gas Prices - Random Sample Excel file
The Minneapolis Star Tribune newspaper has decided to write an article about gasoline prices in the Twin Cities area (Minneapolis and St. Paul). The paper has designed a survey and taken a simple random sample of regular, unleaded gas prices at 35 area stations. The results are in the Area Gas Prices - Random Sample Excel file. Use this data to develop a 95% confidence interval for the average price of regular, unleaded gasoline in the area.
Purchase this Solution
Solution Summary
This solution is comprised of a detailed explanation of Confidence Interval using t test. In this solution, all the possible explanation of this complicated topic provides students with a clear perspective of confidence interval.
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.