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Data This!  #5:  Practice Test

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
Which type of graph is best suited for making predictions about data?
a.
circle graph
c.
scatter plot
b.
line graph
d.
histogram
 

 2. 
Which is an example of a census?
a.
asking all the students in a school who their favourite band is
b.
conducting an online survey to determine the most favoured band
c.
randomly selecting customers in a store to ask who their favourite band is
d.
none of the above
 
 
Figure 1.3 – Toronto’s Average Daily Temperature
data_5_files/i0040000.jpg
 

 3. 
In Figure 1.3, which month has the lowest temperature?
a.
January
c.
November
b.
February
d.
December
 
 
Figure 1.4 – Science Test Marks
data_5_files/i0060000.jpg
 

 4. 
In Figure 1.4, in which interval would a mark of 57% belong?
a.
41 – 50%
c.
61 – 70%
b.
51 – 60%
d.
none of the above
 

 5. 
Which measure of central tendency represents the value that appears the most in a set of data?
a.
mean
c.
mode
b.
median
d.
none of the above
 

 6. 
What is the mean of 88, 81, 90, and 85?
a.
81
c.
89
b.
86
d.
90
 

 7. 
What is the mean of $14, $31, $15, and $20?
a.
$20
c.
$31
b.
$24
d.
$80
 

 8. 
What is the median of 33, 45, 29, 40, 42, and 44?
a.
40
c.
42
b.
41
d.
none of the above
 

 9. 
What is the median of 1.7, 1.3, 2.1, 2.0. 1.9, 2.4, and 1.3?
a.
1.9
c.
2.1
b.
2.0
d.
none of the above
 

 10. 
What is the median of 15.2, 20.6, 19.0, 30.0, 29.8, 29.1, 12.5, and 15.2?
a.
15.2
c.
20.6
b.
19.8
d.
none of the above
 

 11. 
What is the mode of 73, 75, 81, 95, 91, 80, 87, 90, and 87?
a.
84
c.
87
b.
85
d.
There is no mode.
 
 
Figure 1.9 – Nelson City Budget
data_5_files/i0150000.jpg
 

 12. 
Using Figure 1.9, which of these is incorrect?
a.
The city doesn’t spend any money on the fire department.
b.
The city spends the most money on schools.
c.
The city spends half of its budget on schools.
d.
The city spends $40 of every $100 on schools.
 

 13. 
Refer to Figure 1.9 to answer the following: If the total Nelson City Budget is $600 000, how much is spent on schools?
a.
$24 000
c.
$120 000
b.
$60 000
d.
$240 000
 
 
Figure 2.1 – Time Spent Working
data_5_files/i0180000.jpg
 

 14. 
Grade 11 students were surveyed about the number of hours they spent working each week. The results are in Figure 2.1. How many intervals are in the graph?
a.
4
c.
6
b.
5
d.
7
 

 15. 
Grade 11 students were surveyed about the number of hours they spent working each week. The results are in Figure 2.1. What percentage of students worked between 11 and 15 hours each week?
a.
12%
c.
60%
b.
30%
d.
100%
 
 
Figure 2.6 – Shot Put Distances
data_5_files/i0210000.jpg
 

 16. 
At a local track and field competition, the distance of the shot put throws were recorded and displayed in a histogram. See Figure 2.6. What is the size of each interval?
a.
3
c.
5
b.
4
d.
6
 

 17. 
At a local track and field competition, the distance of the shot put throws were recorded and displayed in a histogram. See Figure 2.6. What percentage of shot putters have data in the 12 – 16 m interval?
a.
45%
c.
55%
b.
50%
d.
60%
 
 
Figure 3.2 – Basketball Points
data_5_files/i0240000.jpg
 

 18. 
A basketball coach recorded the amount of time each player played and how many points the player scored in one game. The results are in Figure 3.2. Heather’s data is not recorded, but she played for 9 minutes. Use the graph to estimate the number of points she scored.
a.
1
c.
15
b.
3
d.
18
 

 19. 
A basketball coach recorded the amount of time each player played and how many points the player scored in one game. The results are in Figure 3.2. Amanda’s data is not recorded, but she scored 9 points. Use the graph to estimate how long she played.
a.
1
c.
16
b.
6
d.
25
 

 20. 
Which value should be removed from the following data to make the mean 52?
50, 77, 35, 27, 68, 72, 43, 35
a.
27
c.
50
b.
43
d.
68
 

 21. 
Which is an example of a sample?
a.
counting all the people in a city
b.
measuring the temperature of a city every day for a year
c.
randomly calling 2200 people and asking about their favourite television show
d.
all of the above
 

 22. 
Which is an example of a sample?
a.
examining one aspect of a graph
b.
randomly interviewing passers-by in a mall
c.
asking all students in a school their favourite colour
d.
all of the above
 

 23. 
Which is an example of a cell name?
a.
G4
c.
all of the above
b.
3A
d.
none of the above
 

 24. 
If you had to organize information about a store inventory, which would be the best to use?
a.
a database
c.
all of the above
b.
a spreadsheet
d.
none of the above
 

 25. 
If you had to organize information about people’s mailing addresses, which would be the best to use?
a.
a database
c.
all of the above
b.
a spreadsheet
d.
none of the above
 

 26. 
A category used as part of a database is called:
a.
a field
c.
a record
b.
an entry
d.
none of the above
 

 27. 
In the following, what formula would go in cell C2?
 
A
B
C
D
1
Item
Cost Per Item
Number of Items
Total Cost
2
Apple
$1.29
 
$25.80
a.
1.29+20
c.
=D2*B2
b.
=D2/B2
d.
=B2/D2
 

 28. 
By which field is this database sorted?
Team
Wins
Losses
Dragons
7
2
Ice Fish
9
0
Rays
5
4
Towers
3
6
a.
team
c.
losses
b.
wins
d.
it is not sorted
 

 29. 
What is the range of the following data?
100, 120, 100, 113, 121
a.
10
c.
22
b.
20
d.
21
 
 
Figure 3.2
data_5_files/i0370000.jpg
 

 30. 
What is the title of the above graph (Figure 3.2)?
a.
Sales Revenue
c.
Year
b.
Revenue in $
d.
none of the above
 

 31. 
What is the title of the x-axis on the above graph (Figure 3.2)?
a.
Sales Revenue
c.
Year
b.
Revenue in $
d.
none of the above
 
 
Figure 3.3
data_5_files/i0400000.jpg
 

 32. 
Looking at Figure 3.3 above, which activity includes playing video games?
a.
other
c.
swimming
b.
school
d.
eating
 

 33. 
Looking at Figure 3.3 above, what is the title of the above graph?
a.
Sleeping
c.
Swimming
b.
School
d.
Evan’s Daily Activities
 

 34. 
The legend on this graph includes (Figure 3.3):
a.
Sleeping
c.
black
b.
25%
d.
none of the above
 
 
Figure 3.6
data_5_files/i0440000.jpg
 

 35. 
In the above graph (Figure 3.6),what is the median mark?
a.
80
c.
75
b.
81.5
d.
70
 
 
Figure 3.7
data_5_files/i0460000.jpg
 

 36. 
What word describes the direction of the bars in the above graph (Figure 3.7)?
a.
quixotic
c.
horizontal
b.
vertical
d.
perpendicular
 

 37. 
Cars
||||
Vans
||
The above is a:
a.
tally chart
c.
list
b.
frequency table
d.
histogram
 
 
Figure 3.9
data_5_files/i0490000.jpg
 

 38. 
In the above graph (Figure 3.9), what class has the fewest students?
a.
7A
c.
7C
b.
7B
d.
7D
 
 
Figure 3.4
data_5_files/i0510000.jpg
 

 39. 
The above graph (Figure 3.4) indicates:
a.
the amount of money a company spends each year
b.
the percentage of money a family spend on different things
c.
the number of dollars a family has to spend
d.
a division of different expenses
 

 40. 
Looking at Figure 3.4 above, answer the following. If a family earned $3000 per month and followed the budget on the above graph, how much of the monthly income would be spent on car payments?
a.
$150.00
c.
$400.00
b.
$200.00
d.
$450.00
 



 
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