Question

In: Statistics and Probability

Activity 3: Which procedure? For each question, determine which inference procedure is appropriate (perform hypothesis test...

Activity 3: Which procedure?
For each question, determine which inference procedure is appropriate (perform hypothesis test or construct a confidence interval), and identify the parameter of interest (p, p1 – p2, µ, µ1 – µ2, µd).
What percentage of college students engage in underage drinking in their freshman year?

Test or Interval Parameter


What is the average change in a person’s heart rate when comparing measurements from before and after a scary scene in a horror film?

Test or Interval Parameter


What is the average number of siblings of all Penn State students?

Test or Interval Parameter


Is there a difference in the percent of college freshman and college sophomores who engage in underage drinking?
Test or Interval Parameter

On average, are college graduates exiting school with a GPA above 3.0?

Test or Interval Parameter


Is the percent of sophomores living on campus at Penn State different than 30%?
Test or Interval Parameter

Is there a difference in the percentage of season games of their favorite sport a fan attends based on if their favorite sport is baseball or basketball?

Test or Interval Parameter

Solutions

Expert Solution

What percentage of college students engage in underage drinking in their freshman year?

Inference Procedure: Interval

Parameter of interest: p


What is the average change in a person’s heart rate when comparing measurements from before and after a scary scene in a horror film?

Inference Procedure: Interval

Parameter of interest: µd


What is the average number of siblings of all Penn State students?

Inference Procedure: Interval

Parameter of interest: µ


Is there a difference in the percent of college freshman and college sophomores who engage in underage drinking?
Inference Procedure: Test

Parameter of interest: p1 – p2

On average, are college graduates exiting school with a GPA above 3.0?

Inference Procedure: Test

Parameter of interest: µ


Is the percent of sophomores living on campus at Penn State different than 30%?
Inference Procedure: Test

Parameter of interest: p

Is there a difference in the percentage of season games of their favourite sport a fan attends based on if their favourite sport is baseball or basketball?

Inference Procedure: Test

Parameter of interest: p1 – p2


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