Statics Question:

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Scenario: A survey asked people how often they exceed speed limits. The data are then categorized into the following contingency table of counts showing the relationship between age group and response.

Exceed Limit if Possible Age Always Not Always Total

Under 30 100 100 200

Over 30 40 160 200

Total 140 260 400

Among people with age over 30, what is the risk of always exceeding the speed limit?

Statics Interview Question
Statics Interview Question

Answer:

* a) 0.20
* b) 0.40
* c) 0.33
* d) 0.50

Answer - a

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Past data has shown that the regression line relating the final exam score and the midterm exam score for students who take statistics from a certain professor is: Final exam = 50 + 0.5 × midterm. One interpretation of the slope is?Among people with age under 30 what are the odds that they always exceed the speed limit?