end mod 2 review alg 1

What type of association does this graph have?

• positive
• negative
• none
• all of the above

Which scatter plot could have a trend line whose equation is y hat= 3x + 10?

• A

• B

• C

• D

What kind of trend is shown from this scatterplot?

• positive correlation
• negative correlation
• none
• cannot be determind

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

What is a line of best fit used for?

• To make predictions
• To make the graph look pretty
• To connect the points
• To make it look like you know what you are doing

Which is an example of categorical data?

• Height
• Eye Color
• Shoe Size
• Years

What type of correlation is shown in the scatter plot?

• Positive Linear Correlation
• Negative Linear Correlation
• Non-Linear Correlation
• No Correlation

What is another way to say regression line?

• Histogram

• Boxplot

• Line of best fit

• Scatterplot

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase. 
• As the temperature increases, the number of visitors increases. 
• As the visitors increase, the temperature decreases. 
• No correlation

What is the y-intercept of the prediction equation?

• -149

• 149

• 4.4

• 4.4x