Q1.
The column heading of a table are known as.
(a) Caption (b) Box head (c) Stub (d) Body
Solution.
(a) Caption
Solution
Q2.
Median can be calculated from.
(a) Histogram (b) Frequency polygon (c) Ogive curve (d) None of these
Solution.
(c) Ogive curve
Solution
Q3.
An area diagram is also known as
(a) Histogram (b) Ogive (c) Frequency curve (d) None of these
Solution.
(a) Histogram
Solution
Q4.
For a moderately skewed distribution Mean deviation and standard deviation are related by.
(a) SD = 5/4 MD
(b) SD = MD
(c) SD = 1/2 MD
(d) SD = 3/2 MD
Solution.
(a) SD = 5/4 MD
Solution
Q5.
D3 is equal to
(a) P10 (b) Q1 (c) P30 (d) D7
Solution.
(c) P30
Solution
Q6.
Find the value of 8Cr
If 18Cr = 18Cr + 2 .
(a) 4 (b) 3 (c) 2 (d) 1
Solution.
(d) 1
nCx = nCy
x + y = n or x = y
r + r + 2 = 18
2r = 16
r = 8
Solution
Q7.
The sign of byx is positive , then the sign of rxy will be :
(a) Negative (b) Positive
(c) None of these
Solution.
(b) Positive
Solution
Q8.
The method applied for deriving regression equations is known as .
(a) Product moment (b) Normal equation (c) Least square
(d) Concurrent deviations
Solution.
(c) Least square
Solution
Q9.
The parameters of binomial distribution are .
(a) n (b) p (c) both n & p (d) q
Solution.
(c) both n & p
Solution
Q10.
The standard deviation of sampling distribution is known as
(a) Mean (b) Variance (c) Standard error (d) Median
Solution.
(c) Standard error
Solution