3. Collecting Data

Selecting An Appropriate Inference Procedure — Quiz

Test your understanding of selecting an appropriate inference procedure with 5 practice questions.

Practice Questions

Question 1

A researcher wants to estimate the proportion of all students at a large school who own a laptop. Which inference procedure is most appropriate if the researcher takes one random sample and records whether each student owns a laptop?

Question 2

A company wants to estimate the average number of hours its employees work per week. The company plans to take one random sample of employees and measure hours worked. Which procedure should be used?

Question 3

A nutritionist wants to compare the average calories consumed per day by teenagers and adults. Each group is sampled separately. Which inference procedure is most appropriate?

Question 4

A teacher wants to know whether the distribution of favorite subjects in a class is the same as the distribution $25\text{%}$ math, $25\text{%}$ science, $25\text{%}$ English, and $25\text{%}$ history. Which procedure should be used?

Question 5

A researcher records both the gender of students and whether they prefer online classes or in-person classes. The researcher wants to determine whether these two categorical variables are associated. Which procedure is most appropriate?