statistics

Q: The normal distribution has points of infection which are equidistance from the:

(a) :   Median
(b) :   Mean
(c) :   Mode
(d) :   Mean,Median & Mode
(e) :  NONE
Answer:   Mean,Median & Mode
Explanation:  

Q: The scale used in statistics which provides the difference of proportions as well as magnitude of differences is considered as

(a) :   satisfactory scale
(b) :   ratio scale
(c) :  goodness scale
(d) :   exponential scale
(e) :  NONE
Answer:   ratio scale
Explanation:  

Q: The difference between the largest and the smallest data values is the

(a) :  variance
(b) :  interquartile range
(c) :   range
(d) :  coefficient of variation
(e) :  NONE
Answer:   range
Explanation:  

Q: In inferential statistics, we study

(a) :  the methods to make decisions about population based on sample results
(b) :  how to make decisions about mean, median, or mode
(c) :   how a sample is obtained from a population
(d) :  None of the above
(e) :  NONE
Answer:  the methods to make decisions about population based on sample results
Explanation:  

Q: E(10X +3) =_______

(a) :  10 E(X)
(b) :   E(X)+3
(c) :  10 E(X)+3
(d) :   100E(X)
(e) :  NONE
Answer:  10 E(X)+3
Explanation:  

Register now to view all Question's.

Sign in OR Sign Up


Back to top