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AP Statistics 1.10 A Determine the Components of an Investigative Question Within a Statistical Study Questions

Practise constructing investigative questions that identify the population and parameter, state a comparison or direction, and match the study design.

Syllabus
Effective Fall 2026
Course
AP Statistics

Exam points

  • Name the target population and parameter before stating the study's comparison or direction.
  • Translate a study aim into a mean or proportion question using differs, greater than, or less than.

AP Statistics 1.10 A Determine the Components of an Investigative Question Within a Statistical Study Questions question 1

[Maximum number: 1]

It has been reported that 1 in 3 older adults struggle to meet basic needs. A health statistician believes that this problem is even worse today and would like to create a study to test her belief. Which of the following would be an appropriate component for the health statistician's investigative question?

A

The parameter is the mean number of older adults who struggle to meet basic needs, and the alternative hypothesis is greater than 13\frac{1}{3}.

B

The parameter is the mean number of older adults who struggle to meet basic needs, and the alternative hypothesis is not equal to 13\frac{1}{3}.

C

The parameter is the proportion of all sampled older adults who struggle to meet basic needs, and the alternative hypothesis is greater than 13\frac{1}{3}.

D

The parameter is the proportion of all older adults who struggle to meet basic needs, and the alternative hypothesis is greater than 13\frac{1}{3}.

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