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- 1. Multiple Choice
Gary has taken an aptitude test 8 times and his scores are 96, 98, 98, 105, 36, 87, 95, and 93. Which measure of central tendency is most appropriate for his scores?
Median
Mode
Mean
Range
- 2. Multiple Choice
Which measure of central tendency is most appropriate for a data that describes the heights of grade 5 students?
Mode
Outlier
Mean
Median
- 3. Multiple Choice
The scores shown below were received by four science teams named A, B, C, and D in an examination. Each team reported an "average" of 90. Which of the following is true for the measure of central tendency that was used by the team?
A: 80, 85, 90, 95, 100
B: 93, 92, 90, 90, 91
C: 80, 86, 95, 92, 90
D: 85, 90, 90, 90, 90
Team D used mean
Team C used mode
Team A used mean
Team B used median
- 4. Multiple Choice
A survey was conducted by a chocolate manufacturing company, about the likes and dislikes of the flavors they marketed. Which measure of central tendency will help them most to make their choice of the most liked flavor?
Mean
Range
Mode
Median
- 5. Multiple Choice
Find the mode of the data set, Identify the outlier, and find the mode excluding outliers:
100, 100, 100, 20, 120, 90.
110, 120, 100
100,100, 100
20, 100, 20
100, 20, 100
- 6. Multiple Choice
The temperature received till Friday was 34, 38, 36, 30 and 31. If the temperature on Saturday drops to 11oC, how does the inclusion of Saturday's temperature affect the weekly mean temperature?
increase
decreases
does not change
can not be determined
- 7. Multiple Choice
By how much will the mean vary if the outlier is included?
79, 69, 81, 73, 38, 86, 68
70.6
5.9
76
5.4
- 8. Multiple Choice
What effect will the outlier have on the median of the data if the outlier is excluded?
4, 6, 3, 4, 3, 6, 24
insufficient information to conclude
increases
decrease
does not change
- 9. Multiple Choice
What effect will the outlier have on the median of the data if the outlier is excluded? 2, 4, 1, 2, 8, 4, 22
does not change
insufficient information to conclude
decreases
increases
- 10. Multiple Choice
What effect will the outlier have on the median of the data if the outlier is excluded?
64, 56, 59, 125, 58, 64, 65
increases
can not be determined
does not change
decreases
- 11. Multiple Choice
What effect will the outlier have on the median of the data if the outlier is excluded?
66, 58, 61, 127, 60, 66, 67
increases
decreases
can not be deterimed
does not change
- 12. Multiple Choice
By how much will the mean vary if the outlier is included?
88, 78, 90, 82, 46, 95, 77
5.6
6.1
85
79.4
- 13. Multiple Choice
By how much will the mean vary if the outlier is included?
75, 65, 77, 69, 34, 82, 64
5.4
72
66.6
5.9
- 14. Multiple Choice
By how much will the mean weights vary if the outlier is included?
84, 74, 86, 78, 40, 91, 73
6.4
75.1
5.9
81
- 15. Multiple Choice
What effect will the outlier have on the median of the data if the outlier is excluded?
2, 2, 2, 2, 8, 2, 24
insufficient information to conclude
decreases
does not change
increases
first increase and then decreases
- 16. Multiple Choice
The price of a cheese pizza in five different pizza delivery shops are 5, 5, 4, 6, 6, 8, and $7. Find the mean price of a cheese pizza.
$7
$4
$5
$6
- 17. Multiple Choice
Mathew sold 78 apples on Monday, 58 apples on Tuesday, 80 apples on Wednesday, and 64 apples on Thursday. Find the average number of apples sold by Mathew.
60
50
70
140
- 18. Multiple Choice
he number of roses grown in each garden in a particular month is represented in a pictograph. What is the mean number of roses grown in that month?
70
7
20
280
- 19. Multiple Choice
The stem-and-leaf plot shows the age of all the U.S. Olympic Soccer Team players. Find the median age of the players.
26.5
26
25
25.5
- 20. Multiple Choice
Positive Skewness is where the graph
has a tail that extends out to the right
has a tail that extends out to the left
is bell shaped
is a frequency polygon
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