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

The main advantages of using the range as a measure of dispersion is that.

• It is easy to calculate A
• It is heavily influenced by extreme values. B
• It can change drastically from one data set to the next C
• It is determined by only two points in the data set D

Index for base period is always take as.

• zero A
• one B
• 200 C
• 100 D

P(A or B) = P (A∪B) = P(A) +P(B) then A and B are.

• Mutually exclusive A
• Independent events  B
• Not mutually exclusive C
• Dependent D

The sum of the squares of deviations is the least when measured from.

• A.M A
• Median B
• Mode C
• Both A and B D

In measure of relative dispersion unit of measurement is.

• Changed A
• Vanishes B
• Does not vanishes C
• None of these D

A fair coin is tossed four times the probability of getting four heads is

• 1/4 A
• 1/2 B
• 4/6 C
• 1 D

The sum of squared deviation is minimum, when deviation are taken form

• Mean A
• Median B
• Mode C
• None of these D

The simple probability of occurrence of an event in called the.

• Joint probability A
• Conditional probability B
• Marginal probability C
• Subjective probability D

If b₂ = 3, then the distribution is:

• leptokurtic A
• Platykurtic B
• Normal C
• None of these D

Geometric mean can be calculated by formula

• 
  A
• 
  B
• 
  C
• 
  D

The repeated trials of binomial experiments are

• Dependent A
• Independent B
• Fixed C
• Variable D

• y₁ = y₂ A
• Y₁ > y₂ B
• 
  C
• None of these D

Variance of σ² is equal E to (Y²) - _______?

• E (y) A
• [E(y)]² B
• E(y²) C
• None of these D

Hypergeometric distribution is a

• Continuous distribution A
• Discrete distribution B
• Simple distribution C
• Normal distribution D

The provability can never be,

• 0 A
• 1 B
• 1/52 C
• Negative D

If y =-7x then E(y) = ...............

• E(x) A
• -7X B
• -7E(X) C
• Zero D

The probability of drawing two acea from apack of 52 cards with replacement is.

• 1/169 A
• 1/10 B
• 1/4 C
• 1/256 D