Purchase Solution

Independent sample Students t test

Not what you're looking for?

Ask Custom Question

You have collected the following data from two suppliers. Are the suppliers significantly different at the 0.05 level of significance?

Supplier One Supplier Two
Sample Size 45 52
Sample mean 8.1 9.3
Sample standard deviation 1.1 1.2

Show the hypotheses for this test, test statistic and p value.

Purchase this Solution

Solution Summary

Independent sample Students t test.
The solution contain Null Hypothesis, Alternative Hypothesis, Significance Level, Critical Value, P value. Interpretation of the results are also given.

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.

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

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.