11th Class Statistics MCQ Test With Answer for Statistics Full Book

Laspeyres index number is also called as:

• Base year weight index number A
• Current year weight index number B
• Ideal index number C
• Fisher index number D

Graphs of frequency distributions are used because.

• they have a long history in practical applications A
• They attract attenstion to data pattern B
• They account for biased or incomplete data C
• None of thses D

Any study in which the scientist can control the allocation of treatments to the experimental  units is called.

• Trial A
• Analysis B
• Experiment C
• Survery D

Geometric mean can be calculated by formula

• 
  A
• 
  B
• 
  C
• 
  D

The hypergeometric distribution is used when trials are

• Dependent A
• Independent B
• Equally likely C
• Mutually exclusive D

The binomial distribution is symmetrical if

• p = 1/2 A
• P > 1/2 B
• p < 1/3 C
• P ≠ q D

If x and y are independent random variables, E(xy)

• E(XY) A
• xE(y) B
• E(XY) C
• E(X) . E(Y) D

Random variable is also called ___________.

• Chance stochasitc A
• Coverges  B
• Random C
• None of these D

Tossing two dice possble sampes are.

• 2 A
• 6 B
• 12 C
• 36 D

In a binomial distribution

• μ =σ² A
• μ <σ² B
• μ >σ² C
• μ = 1σ² D

Geometric mean of the relative is.

• Reversible A
• None - Reversible B
• Both A and B C
• None of these D

E(y-μ) is equal to

• E(y) A
• μ B
• zero C
• y-μ D

A collection of all elements in a group is called.

• Sample A
• Data B
• Registration C
• Population D

• The Laspeyres index A
• The Paasches index B
• The value index C
• None of these D

The mean of binomial distribution is always:

• Equal to variance A
• Less than variance B
• Greater then variance C
• None of the these D

Theoretically best average used in the construction of composite index in

• The arithmetic mean A
• The geometric mean B
• The median C
• The harmonic mean D

The smallest and larges value of any given class of frequency distribution are called.

• Class limits A
• Class interval B
• Class marks C
• Class Boundry D