6. Scientific Skills

Statistical Thinking — Quiz

Test your understanding of statistical thinking with 5 practice questions.

Practice Questions

Question 1

In a scientific experiment, what is the term for the factor that is measured or observed in response to changes in another factor?

Question 2

A researcher is investigating the effect of different light intensities on the growth rate of a specific plant species. What is the independent variable in this study?

Question 3

If a correlation coefficient between two variables is $-0.92$, what does this indicate about the relationship?

Question 4

A scientist wants to determine if a new fertilizer increases crop yield. They apply the fertilizer to one field and use no fertilizer on an identical field. What is the purpose of the field with no fertilizer?

Question 5

In a study, a $p$-value of $0.06$ is obtained. What is the most common interpretation of this result in terms of statistical significance at the $p < 0.05$ level?