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# Description of Statistics - Hypothesis Test

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North Carolina State University looked at the factors that affect the success of students in a required chemical engineering course. Students must get a C or better in the course in order to continue as chemical engineering majors. There were 65 students from urban or suburban backgrounds, and 52 of these students succeeded. Another 55 students were from rural or small-town backgrounds; 30 of these students succeeded in the course.

A) Is there good evidence that the proportion of students who succeed is different for urban/suburban versus rural/small-town backgrounds? State hypothesis, give the P-value or a test, and state your conclusion.

B) Give a 90% confidence interval for the size of the difference.

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Null Hypothesis H0 : P1 = P2 ( there is no ...

##### 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.

##### 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.