What type of correlation is this? (positive, negative or none)
Negative
10
What type of correlation is this? (positive, negative or none)
Positive
10
This graph shows the cost of a long-distance phone call, for x minutes. Based on the graph, how much did a 90 minute phone call cost?
$9
15
This graph shows the cost of a long-distance phone call, for x minutes. Based on the graph, how much did a 1 hour phone call cost?
$6
20
This graph shows the cost of a long-distance phone call, for x minutes. Based on the graph, approximately how much did a 70 minute phone call cost? a) $6 b) $6.50 c) $6.80 d) $6.10
D) $6.10
15
Positive, Negative or No Correlation? The distance traveled and the amount of gas left in the gas tank.
Negative (the farther you go, the less gas left in your car)
15
Positive, Negative or No Correlation? The number of weeks a new movie has been out and the total amount made in sales.
Positive (the longer the movie is out, the more money it makes)
15
This scatter plot shows the weight and cost buying apples. Fill in the blanks using increases/decreases: As the weight _________, the cost __________.
As the weight increases, the cost increases.
15
Which graph(s) show negative correlation?
B, D
15
What type of correlation is this? (positive, negative or none)
Negative
15
The scatter plot shows workers planting trees. According to the scatter plot, 20 workers planted how many trees?
450
15
What type of correlation is this? (positive, negative or none)
No correlation
10
This scatter plot shows the weight and cost buying apples. Fill in the blanks using increases/decreases: As the games played _________, the points __________.
increase, increase
15
The NCAA quarterback who attempted 600 passes completed how many passes?
425 passes
15
Which statement is supported by the data in this scatter plot?
15
TRUE or FALSE: According to this scatter plot, a lower ice cream cost results in more sales.