28 Answered Questions for the topic Null Hypothesis Testing

Null Hypothesis Testing Statistics

03/22/15

Null and alternative hypotheses set up
In a survey of 1120 new college graduates 281 had a professional job on graduation day. One year ago the proportion of graduates with a professional job on graduation day was 24%. The setup of the... more
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Null Hypothesis Testing Chi Square

03/18/15

Chi Square
Vehicles heading west on Front Street may turn right, left, or go straight at Elm Street. The city trafficengineer believes that half of the vehicles will turn left through the intersection. Of the... more
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Null Hypothesis Testing

08/01/14

What hypothesis decision is made?
It is hypothesized that 50% of the U.S. population cannot name both of the U.S. Senators from the state in which they reside. A sample of 500 individuals is taken and 218 correctly name both of... more
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