LT #1: Stats and Data Review

What percentage of males drive sports cars?

• 35%
• 16.25%
• 65%
• 25%

What percentage of the students were boys?

• 20%
• 25%
• 40%
• 50%

Of the times when the forecast called for rain, what is the percentage that it actually rained?

• About 90%
• About 50%
• About 70%
• About 80%

What percentage of girls have blonde hair?

• 30%

• 32%

• 29%

• 40%

What is the correlation for the following Scatter Plot.

• Weak Positive

• No Correlation

• Strong Negative

• Weak Negative

• Strong Positive

What is the correlation for the following Scatter Plot.

• Weak Positive

• No Correlation

• Strong Negative

• Weak Negative

• Strong Positive

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 r value.

Given the following Scatter Plot, select the option that is most likely the r value.

Estimate the correlation coefficient for this scatterplot.

• A) r = -0.9

• B) r = 1

• C) r = 0.9

• D) r = -1