

Percentiles and Class Intervals
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of students in the given data set?
50
60
80
70
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a component of the percentile formula?
Lower boundary
Frequency of percentile class
Mean
Class interval size
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'lb' stand for in the percentile formula?
Lower boundary
Lower base
Least boundary
Lowest base
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the location of the 15th percentile determined?
By subtracting 15 from the total number of students
By adding 15 to the total number of students
By multiplying 15 by the total number of students and dividing by 100
By dividing the total number of students by 15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the lower boundary for the class interval 81 to 80?
80.5
81.5
80
81
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the formula, what does 'cf' represent?
Cumulative frequency of the percentile class
Class frequency
Cumulative frequency after the percentile class
Cumulative frequency before the percentile class
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the size of the class interval in the given data?
10
15
20
5
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