Are You Ready?
Vocabulary
6th Grade Unit 9
Calculators Allowed
Name:
Date: _____Class:
1) Data:____________________________________________________________________________
2) Frequency table: ________________________________________________________________
3) Line Plot: _______________________________________________________________________
4) Mean: __________________________________________________________________________
5) Median: _________________________________________________________________________
6) Mode: __________________________________________________________________________
7) Range: _________________________________________________________________________
8) Inter Quartile(Box-and-Whisker Plot): ______________________________________________
9) Lower Quartile: __________________________________________________________________
10) Upper Quartile: _________________________________________________________________
11) Lower Extreme: _________________________________________________________________
12)Upper Extreme: __________________________________________________________________
Skills
13) Make a frequency table for the number of baseball runs during May.
6, 4, 6, 2, 1, 1, 3, 5, 3, 4, 5, 2, 4, 7, 2, 5, 1, 3, 2, 2
14) Create a dot plot of the data from #13. Be sure you give your graph a title and
label.
Find the mean, median, mode and range for the average time students spent
reading each night. Round your answers to the nearest tenth if needed.
14, 25, 43, 31, 22, 17, 14, 23, 25, 20
15) Mean _________________
16) Median ________________
17) Mode _________________
18) Range __________________
Multiple Choice:
The librarian recorded number of books returned for two weeks and found the
mean of the number of books to be 6.9. The number of books returned is shown
below.
8 + 6 + 10 + 0 + 10 + 5 + 9 + 8 + 3 + 6
19) Is this the correct mean of this data? If not, explain and correct the error.
__________________________________________________________________________________
__________________________________________________________________________________
To answer #20-21, use the following data:
20) Your test scores are: 72, 76, 89, 92, 76, 59, 68, 74, 79, 71, 88, 89.
a) Median__________________________
b) Lower quartile____________________
c) Upper quartile____________________
d) Lower extreme____________________
e) Upper extreme____________________
f) Range of the test scores_______________
21) Display the data to see how the scores are spread out with a inner quartile (boxand-whisker plot).
Choosing an Appropriate Data Display
22) Your recorded quiz scores are: 12, 15, 16, 17, 18, 13, 12, 14, 14, 15, 15, 15. What
data display would you use to represent the recorded quiz scores? ______________
23) Circle the type of graph that would best display the change in population of the
county from 1920-1990? _ line______ bar_____ circle ________
Applications
The following bar graph contains the results of a survey of students’ favorite type of
potato. Answer the following questions.
24. What is the favorite type of potato? ____________________________________
25. How many students voted altogether? _________________________________
26. If 56 students were able to vote, predict how many students would choose French
Fries? ________________________________
27. Explain in words how you came up with your prediction.
____________________________________________________________________________
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