Chi square test for goodness of fit.
Not what you're looking for?
A teacher figure that final grades in the statistics department are distributed as A,25%, B, 25%, C, 40%, D, 5%, F, 5%. At the end of the randomly selected semester, the following number grades were recorded. Use the Goodness-of-Fit test to determine if the grade distribution for the department is different than expected. State your hypothesis, complete the table to determine your test statistic, draw your curve, label your critical values and your test statistic, state your decision to accept or reject and write your conclude in the language of the problem. Use a=0.01
Grade A B C D F
Number 36 42 60 8 14
Purchase this Solution
Solution Summary
Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.
Solution Preview
Please see the attached file.
Goodness of Fit
A teacher figure that final grades in the statistics department are distributed as A,25%, B, 25%, C, 40%, D, 5%, F, 5%. At the end of the randomly selected semester, the following number grades were recorded. Use the Goodness-of-Fit test to determine if the grade distribution for the department is different than expected. State your hypothesis, complete the ...
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.