Scatter Plots, Trend Lines, Correlation, Two Way Tables

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Interpret the scatter plot.

• As the amount of time spent training increases, the time to run 100 m increases.

• As the amount of time spent training increases, the time to run 100 m decreases.

• As the amount of time spent training decreases, the time to run 100 m increases.

• There is no obvious pattern between time spent training and the time to run 100 m.

The relationship of birthdays to candles (As birthdays increase, candles, increase)

• Positive correlation

• Negative correlation

• No correlation

• all of the above

The number of siblings you have and your weight. (Is there a relationship between the two?)

• Positive correlation

• Negative correlation

• No correlation

• All of the above

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. What is the equation of the line of best fit?

• y = 10x

• y = 20x + 1

• y = 15x + 2

• y = -10x + 20

Tags

CCSS.8.EE.B.5

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. What type of association does the graph show?

• positive

• negative

• no association

• nonlinear

Tags

CCSS.HSF-LE.A.1B

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, are there any clusters?

• no clusters

• yes, (0-5 absences & 7-10 absences)

Based on the graph, what type of association does it display?

• negative

• positive, linear

• nonlinear

• negative, linear

Tags

CCSS.8.F.A.3

Interpret the scatter plot.

• As time increases, water draining increases.

• As time decreases, water draining decreases.

• As time increases, water draining decreases.

• There is no obvious pattern between time and water draining.

How many students were surveyed in the "Biking to School" two-way table?

• 16
• 14
• 11
• 30