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

To measrue how much the cost of some variable changes over time you would use.

• A volue inxex A
• An inflation index B
• A quantity index C
• None of these D

Which set has teh maximum varaition?

• 46,48,50 A
• 30,40,50 B
• 40,50,60 C
• 48,48, 49 D

If Mean = 25 and S² =25 the C.V is

• 100% A
• 25% B
• 20% C
• None of these D

Co-efficent of quartile deviation can be calculated by the following formula

• 
  A
• 
  B
• 
  C
• 
  D

Commodities subject to considerable price variation should best be measured by

• Quantity index A
• Price index B
• Value index C
• None of thes D

An arrangement of data to show the frequency of occurrence is called.

• Freqeuncy distribution A
• Probability distribution B
• Data array C
• Cumulative distribution D

Variance σ² is equal to E(y²) -  --------------------

• E(y) A
• [E(y)]² B
• E(y)² C
• E² (y) D

The number of ways in which a person enters by oe door and leaves by a different door in a room with three doors is.

• 6 A
• 9 B
• 5 C
• None of these D

For a binomial probability distribution:

n = 10 & the probability of failure (q =0.6), then mean of the distribution is .

• 0.6 A
• 6.0 B
• 10 C
• 4 D

Which of the following is an example of compressed data.

• Array A
• Frequency distribution B
• Ogive C
• Histogram D

The sum of square of deviations of the observations from their mean is

• Minimum A
• Maximum B
• Zero C
• None of these D

If we went to compare the prices of wheat then we have to compute.

• Price index number A
• Quantity index number B
• Volume index number C
• Both B and C D

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

A binomial random variable is a (an)

• Constinuous random variable A
• Discrete random variable B
• Dependent varaible C
• Independent variable D

The distribution is measokurtic if the moment coefficient of of kurtosis b2 is.

• Equal to 0 A
• Equal to 3 B
• Less than 3 C
• Greater than zero D

Which is the suitable average for calculting the average price at which articles are sold.

• Geometric mean A
• Arithmetic mean B
• Harmonic mean C
• Mode D

When statistics is applied in Biology then it is called:

• Econometrics A
• Statistical inference B
• Statistical biology C
• Biometry D