A grouped frequency table is also called:
a) Frequency distribution
b)Data
c)Frequency polygon
d)Histogram
A histogram is a set of adjacent:
a) Squares
b)Rectangles
c) Circles
d)Dots
Mean of a variable with similar observations constant k is……….
a) negative
b) k itself
c)zero
d)one
A frequency polygon is a many sided…………
a) closed figure
b)rectangle
c)square
d) Circles
In a cumulative frequency polygon frequencies are plotted against………
a)Upper class boundaries
b) Midpoints
c)Class limits
d)frequencies
A deviation is defined as a difference of any value of the variable from a………
a) Central
b)histogram
c)sum
d) frequency
