
Variability; range, variance and standard deviation
Passage
•
English
•
University
•
Practice Problem
•
Medium
+6
Standards-aligned
Masyhur Masyhur
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of the article by Masyhur?
Variability in statistical analysis
Language proficiency assessment
Teaching strategies in language education
Curriculum development
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which measure of variability is described as the simplest and is calculated as the difference between the highest and lowest values in a dataset?
Range
Variance
Standard Deviation
Mean
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the article, why is standard deviation particularly useful in statistical analysis?
It is expressed in the same units as the data
It provides a quick sense of data spread
It is not influenced by outliers
It measures the average squared deviation from the mean
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a high variance in test scores suggest about a particular instructional approach?
It may not be equally effective for all students
It is highly effective for all students
It indicates a uniform proficiency level among students
It suggests the need for more challenging material
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which researcher emphasized the significance of standard deviation in measuring language proficiency?
Smith (2020)
Johnson (2019)
Brown (2018)
Lee (2017)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplest measure of variability?
Variance
Standard Deviation
Range
Mean
7.
DROPDOWN QUESTION
1 min • 1 pt
Which of the following is NOT a measure of variability?
(a)
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