Scatter plots and Correlations

Which of the following best describes a positive correlation between two variables?

• As one variable increases, the other decreases.

• As one variable increases, the other also increases.

• As one variable increases, the other stays the same.

• There is no relationship between the variables.

Tags

CCSS.HSS.ID.B.5

• Strong positive correlation

• Weak positive correlation

• Strong negative correlation

• No correlation

Tags

CCSS.HSS.ID.B.5

Tags

CCSS.HSS.ID.B.5

Tags

CCSS.HSS.ID.C.8

• Points scattered randomly

• Points forming a straight line sloping downwards

• Points forming a straight line sloping upwards

• Points forming a U-shape

Tags

CCSS.HSF-LE.A.1B

If the height and weight of students are plotted and the points form a cloud that rises from left to right, what can you infer?

• There is a positive correlation between height and weight.

• There is a negative correlation between height and weight.

• There is no correlation between height and weight.

Tags

CCSS.HSS.ID.B.5

Which of the following real-world scenarios is most likely to show a negative correlation?

• Hours studied and test scores

• Temperature and number of hot chocolate sales

• Number of hours spent exercising and body weight (for most people)

• Number of books read and vocabulary size

Tags

CCSS.HSF-LE.A.1B

• Strong positive correlation

• Weak positive correlation

• Strong negative correlation

• No significant correlation

Tags

CCSS.HSS.ID.B.5

Which of the following statements about correlation is TRUE?

• Correlation implies causation.

• A correlation coefficient can only be positive.

• Correlation measures how much one variable causes another.

Tags

CCSS.HSS.ID.C.9

• Weak positive correlation

• Strong positive correlation

• Weak negative correlation

• Strong negative correlation

Tags

CCSS.HSS.ID.B.5