
Understanding Percentiles

Interactive Video
•
Mathematics, Science, Education
•
7th - 10th Grade
•
Hard

Liam Anderson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal of the video tutorial?
To identify the mode of a data set
To determine the median of a data set
To calculate the mean of a data set
To find the 74th percentile of a data set
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of this tutorial, what does the variable 'k' represent?
The total number of data values
The kth percentile
The index of a data value
The average of data values
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If 'n' is the total number of data values, what is its value in this example?
23
22
25
24
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the index 'i' calculated in this method?
By multiplying k by n
By dividing the total number of data values by 100
By adding k and n
By dividing k by 100 and multiplying by (n + 1)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the 74th percentile according to the method used?
Calculate the mean of the data set
Calculate the sum of the data values
Order the data from least to greatest
Find the median of the data set
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should be done if the calculated index 'i' is not an integer?
Use the data value at the nearest integer position
Ignore the decimal part of i
Round i up and down, then average the data values at these positions
Use the data value at the position of i rounded down
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of rounding 'i' up and down in this method?
It helps in finding the exact data value for the percentile
It allows for calculating the median
It is necessary for calculating the mean
It is used to determine the mode
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