1 
Sum of the deviations of the variable x from its mean is alwyas.... 
 A. Zero
 B. One
 C. Same
 D. Negative

2 
Mean is affected by change in: 
 A. Value
 B. Ratio
 C. Origin

3 
The spread or scatierness of observations in a data set is called. 
 A. Average
 B. Dispersion
 C. Central tendency
 D. Quartile

4 
Arithmetic means is a measure that determines a value of the variable under study by dividing the sum of all values of the variable by their... 
 A. Number
 B. Group
 C. Denominator
 D. Numerator

5 
The difference between upper limit of two consecutive classes is a frequency table is called: 
 A. Class limit
 B. Class interval
 C. Class mark
 D. All of these

6 
The mode in the data 1,3,5,3,7,9 

7 
In a circle radius 10 what is the length of are intercepted by a central angle of 60°: 
 A. π/3m
 B. 3/10πm
 C. 10π/3m
 D. π/30m

8 
The nth root of product of 'n' number of values is called: 
 A. Arithematic mean
 B. Geometric mean
 C. Harmonic mean
 D. Standard deriviation

9 
A part of the circumference of a circle is called a/an : 
 A. angel
 B. are
 C. circumference
 D. radian

10 
Formula <i>l</i>=rθ is true only when θ is in: 
 A. degree
 B. radian
 C. revolution
 D. minute
