Hypothesis Test for a Sample Mean
Not what you're looking for?
The mean wages paid to Americans between the ages of 45 and 64 across all demographics in the United States is $38,740 with a standard deviation of $156. We took a sample of 31 workers between the ages of 45 and 64. They had a mean earned wages of $33,298. At the 0.05 significance level can we conclude does the sample show that the population mean is accurate?
Ho: µ = $38,740
H1: µ ≠ $38,740
Purchase this Solution
Solution Summary
Hypothesis tests for a sample mean for American wages is given.
Solution Preview
Hypothesis Question/research
The mean wages paid to Americans between the ages of 45 and 64 across all demographics in the United States is $38,740 with a standard deviation of $156. We took a sample of 31 workers between the ages of 45 and 64. They had a mean earned wages of $33,298. At ...
Purchase this Solution
Free BrainMass Quizzes
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.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.