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

A set containing only one element is called

• Null set A
• Universal set B
• Subset C
• Singleton set D

Waht is the probability that a ball drawn at random from the bag is.

• 0.1 A
• 0.4 B
• 1.0 C
• Cannot be determined from given information D

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

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

The man of 10 observations is 10. All obvervations are increased by 10%. The mean of the increased observations shall be.

• 10 A
• 11 B
• 20 C
• 100 D

The binomial distribution has the following parameters.

• p & q A
• n & q  B
• n, p & q C
• None of these D

Both quantities and prices are used in

• Link relatives A
• Chain relatives B
• Average of relatives C
• Aggregative index numbers D

The mean of a constant 'a'  is.

• 0 A
• a/2 B
• a² C
• P₇₅ D

The word statistic was used first time by:

• Yule A
• Gottifried Achenwall B
• E.A.W Zimmermann C
• Baron D

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

• E(xy) A
• xE(y) B
• E(x) C
• E(x)E(y) D

Random number can be generated manully by

• Dawing cards from numbered cards A
• Roitaing or spinning numbered wheels B
• Use of random numbers table C
• All of these D

Smoking habits of residents of a city are.

• Qualitative data A
• Quantitative data B
• Discrete data C
• Continuous data D

A coin is tossed 3 times then,  then number of sample points in the sample space is:

• 2³ A
• 3 B
• 8 C
• Both A & C D

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

If all the values considered in calculating an inxed are of equal importance, teh index is.

• Weighted A
• Simple B
• Un weighted C
• None of these D

The mean of the first n natural numbers is.

• n(n+1)2 A
• (n+1)/2 B
• (n-1)/2 C
• n/2 D

Which is appropriate averege for finding the average speed of a journey.

• Mean A
• Geometric mean B
• Harmonic mean C
• Weighted mean D

Data which have been arranged in ascending or descending order are called.

• Raw data A
• Grouped data B
• Arrayed data C
• Un grouped data D