Mean
10, 20, 50, 35, 60, 15
31.7
30
How many 9th graders were interviewed?
30
What is the min and max of the plot?
min : 5
max: 22
Which looks only at the data? Correlation or causation?
Correlation
20, 45, 60, 2, 4, 6, 8, 9
19.25
12, 14, 16, 18, 20, 22
17
How many 10th graders chose pink as their favorite color?
15
What is the median of the plot?
median: 14.5
Which looks at how it would relate in real life? Correlation or causation?
causation
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
6.5
25, 20, 19, 36, 89, 20, 99, 100
30.5
How many 11th graders chose purple as their favorite color?
14
What is the lower and upper quartiles?
Lower quartile: 10
Upper quartile: 18
What type of correlation is for as follows: The number of members in a family and the grocery bill
positive correlation
67, 68, 30, 35, 90, 91, 100
68.7
1, 6, 9, 20, 16,18, 35, 60, 22, 48, 29
20
What percentage of 9th graders chose green as their favorite color?
5%
How much percent of the data is below 14.5?
50%
Is there causation: The miles driven in a car and how old the car is
yes - older the car, more miles
15, 70, 34, 80, 23, 10, 15, 18
33.125
121, 98, 46, 89, 35, 44, 25, 69, 90, 1, 8, 10
45
What percentage of 12th graders chose blue as their favorite color?
4%
How much percent is greater than 10?
75%
What kind of correlation is as follows: the more someone works out and their weight
negative correlation