Statistics Skills - Algebra 1 OST

What is the correlation for the following Scatter Plot.

• Weak Positive

• No Correlation

• Strong Negative

• Weak Negative

• Strong Positive

Given the following Scatter Plot, select the option that is most likely the correlation coefficient (r) value.

Estimate the correlation coefficient for this scatterplot.

• A) r = -0.9

• B) r = 1

• C) r = 0.9

• D) r = -1

Select the statement that best describes the line.

• The line is the line of best fit.

• The line is NOT a line of best fit because it does not pass through two points.

• The line is NOT a line of best fit because it does not go through the middle of the data set.

• The line is NOT a line of best fit because it does not go through the origin.

Order the scatterplots from STRONGEST to WEAKEST correlation coefficients

• 
• 
• 
• 

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

How many students scored between a 86 and a 90?

• 1

• 3

• 6

• 10

What is the median number of goals scored?

• 3

• 3.5

• 4

• 5

What is the range of scores on the test?

• 15

• 100

• 6

• 10

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193

• 127

• 60

• 66