WorksheetsReview
Total questions: 10
Worksheet time: 3mins
The following are commonly used to measure the central tendency, EXCEPT.
Mean
Summation
Median
Mode
It refers to raw data and it is not sorted into categories, classified, or otherwise grouped.
Grouped Data
Ungrouped Data
What is the middlemost value in a set of observations arranged in numerical order of magnitude or put in an array?
Mean
Median
Mode
What is the most frequently occurring value in a data set of observations?
Mean
Median
Mode
To get the cumulative frequency you must _________ the frequency to the succeeding frequency
divide
multiply
subtract
add
It measures the distance between the largest and the smallest values
Standard Deviation
Mean
Range
Dispersion
It measures how spread out numbers are.
Variance
Range
Standard Deviation
Mean
TRUE OR FALSE.
The coefficient of variation, CV, is the ratio of the standard deviation to the mean and is usually expressed in percentage.
True
False
What are values/ score points that divide a set of observations/distributions into an array of 4 equal parts?
Decile
Quartile
Percentile
What are values that divide a set of observations in an array into 100 equal parts?
Decile
Quartile
Percentile
