demetrius demarcus bartholomew james the third jr slope quize

What is a positve correlation

• . When the y variable tends to increase as the x variable increases,

• a graph that shows that all of the data points are in a pattern trending down from left to right.

• data that does not follow a pattern, neither positive nor negative.

• uses dots to represent values for two different numeric variables

What is the slope of the line of best fit?

• -1

• 24

• 1

• -24

How many more calories are burned after 40 minutes than after 20 minutes?

• 25

• 20

• 35

• 30

Which scatter plot shows no trend?

• 
• 

The scatter plot shows what type of correlation?

• low positive correlation

• low negative correlation

• high positive correlation

• high negative correlation

• no correlation

r=-0.89

• strong Negative

• Strong positive

• weak negative

• Weak positive

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

• Graph A

• Graph C

• Grahp B

• Graph D

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters.

• 170 pages

• 150 pages

• 190 pages

• 210 pages

This scatter plot could show the relationship between which two variables?

• distance traveled (x) vs gas remaining in the tank (y)

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• Speed of an airplane (x) vs distance traveled in one hour (y)

• age of an adult (x) vs height of an adult (y)

• outside air temp (x) vs air conditioning costs (y)

Which date will most likely show a negative correlation when graphed on a scatter plot?

• The number of visitors at an amusement park and the length of the lines for the rides

• The distance a student lives from school and the amount of time it takes to get to school

• The outside temperature and the number of people wearing gloves

• A student's height and graph point average

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