Practice No Correlation (10.2.3) - Correlation Analysis

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What does no correlation mean?
Show hintHide hint
Think about the relationship characteristics.
Question 2.
Can shoe size predict someone's intelligence?
Show hintHide hint
Consider if one affects the other.
3Question 3.
What does no correlation imply?
- There is a direct relationship
- There is no distinct relationship
- There is an inverse relationship
Show hintHide hint
Think about the word 'no' in no correlation.
4Question 4.
If the correlation coefficient is zero, what does that indicate?
- True
- False
Show hintHide hint
Remember the range of correlation coefficients.
Question 5.
A researcher collects data on the number of languages spoken and the average number of pets owned. After analyzing the results, they find a correlation coefficient of 0.02. What can you infer about the relationship?
Show hintHide hint
Consider what a coefficient close to zero indicates.
Question 6.
You are presented with a scatter plot showing a random spread of points. If asked to describe the relationship between the two variables, how will you interpret the findings?
Show hintHide hint
Focus on the arrangement of points in the scatter plot.

5 more questions in this section. Enroll free to practise them all.