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Math 10 Chapter 4 - Part D
1.
A value which is obtained by dividing the sum of all values of a data by the number of observations in data is called
a) Variance
b) Arithmetic mean
c) Average
d) Mode
2.
The average value of the upper and lower class limits in an interval is called _____
a) Mid point
b) Size of interval
c) Class boundary
d) Class interval
3.
Pie-diagram is also called _____________
a) Histogram
b) Sector Diagram
c) Simple bar diagram
d) Multiple bar graph
4.
Number of occurrence of an item corresponding to a class interval is known as
a) Class boundary
b) None of the above
c) Class mark
d) Class frequency
5.
A value which divides data in two portions is called ______
a) Mode
b) Median
c) Range
d) Arithmetic Mean
6.
The most common value of the data is ___________
a) Mode
b) Median
c) Variance
d) Standard deviation
7.
When data is arranged in an order the middle item in odd number of observations is ____
a) (n+1/2)th items
b) Average of n/2 th and (n+2/2) the items
c) nth items
d) (n+2/2)th items
8.
In interval (63-65), 65 is _______
a) None of the above
b) Class mark
c) Class boundary
d) Class limit
9.
Median for grouped data can be found by the formula _____
a) 1+F/H (N/2-C)
b) None of them
c) A +
å
fu/
å
f x h
d) l + h/f (n/2-c)
10.
The data X = 1,3,5,9,1,6,3contains ______ modes
value="a" id="10aq" onClick="Touch(this,10,id,1,0)">
a) Three
b) Two
c) Seven
d) Five
11.
If sum of 07 observations in 63 then its mean is _________
a) 9
b) 7
c) 2
d) 36
12.
If D = x | 10 and
Î
D = 50 and n = 5 then arithmetic mean will be _________
a) 104
b) 112
c) 30
d) 20
13.
Range is calculated as __________
a) R = x
1
| x
m
b) x
m
| x
1
c) R = x
m
+ x
1
d) R = x
a
+ x
m
14.
If X = 8, 12,18,5,16,20,13 then value of median is ____
a) 12
b) 16
c) 13
d) 5
15.
A set contains the following members 3.5, 4, 4.5 9, 8, 3.1,11, 10.5, 8.5 then its range | R | is
a) 7.9
b) |7.9
c) 14.1
d) None of them
16.
In (13-70) the mid point is
a) 8
b) 5
c) 7
d) 41.5
17.
In (5-8) upper class limit is
a) 15
b) 7
c) 8
d) 5
18.
In 5,3,1, the median is
a) 13
b) 5
c) 8
d) 3
19.
In (3-10) interval size is
a) 7
b) 5
c) 8
d) 13
20.
In 5,5,7,1, the mode is
a) 5
b) 7
c) 41.5
d) 8
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