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WorksheetsBoxplots and Scatterplots
Total questions: 15
Worksheet time: 15mins
What is the upper quartile?
39
50
55
68
What is the lower quartile?
39
40
35
50
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 chapters would be in a book with 180 pages.
12 chapters
15 chapters
18 chapters
21 chapters
What is the median?
89cm
98cm
30cm
120cm
What was the longest length?
158cm
159cm
120cm
148cm
Describe the strength and direction of the trend
Moderate Negative Trend
Strong Negative Trend
Moderate Positive Trend
Strong Positive Trend
What type of correlation does this graph have?
positive
negative
none
all of the above
What is the correlation between length of running start and distance of jump?
positive: the further you run the further you jump
negative: the less you run the less distance of your jump
positive: the further your running start the less your distance
The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month. Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles?
50 min
80 min
45 min
60 min
What type of association does this graph have?
positive
negative
none
all of the above
Which of the following lines represents the line of best fit for the scatter plot?
A
B
C
D
Suppose the equation of the line of best fit for the scatterplot is y=-25x+170 Use the information to predict the remaining distance, when the bicyclist has traveled 3 hours.
95 km
98 km
2 hours
Not enough information.
You plot these points (0,0.5), (1,2), (3,5), (6,7), (10, 8) and draw a scatter plot. If you use the points (2, 3) and (6,6) on the line of best fit to find the equation, which of the following is the equation of the line of best fit?
y = x
y = 0.75x + 1.5
y = x+1
y = 0.5x+3
Which is a true statement about the number of peaches sold?
The number of peaches sold increased when the price of the peaches decreased.
There is a positive relationship between the number of peaches sold and the price of the peaches.
The number of peaches sold decreased when the price of the peaches decreased.
There is no relationship between the number of peaches sold and the price of the peaches.
The scatterplot shows the number of pages in a research paper in relation to the number of mistakes found in the research paper. Using the line of best fit, what would be the most reasonable prediction for the number of mistakes in a 12 page paper?
60 mistakes
70 mistakes
75 mistakes
80 mistakes
