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

Which of the following can never be described by a binomial distributions.

• The number of difective items produced by an assembly process A
• The amount of water used by a single housheld B
• the numebr of students in the class who can answer this questions C
• All of these can always be described by a binomial distribution 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 is the suitable average for calculting average percent increase in population.

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

When two coins are tossed simulataneously the probability of at most one head is.

• 1/2 A
• 1/4 B
• 3/4 C
• None of these D

For a constant K ,the variance of K.

• Zero A
• A^-2 B
• K C
• None of these D

The probability of sure event is:

• 0 A
• 0.5 B
• 1 C
• Negative D

The volume or quantity of goods are compared by

• Price index numbers A
• Relative index numbers B
• Volume index numbers C
• Paasche's index D

Mean of hypergeometric distribution is

• np A
• 
  B
• np C
• Nnk D

Which measure of disperesion is considered as the best genereal purpose measure of dispersion.

• Range A
• Semi interquartile range B
• Standard deviation C
• Mean deviation D

The variance of binomial distribution is

• np A
• nq B
• npq C
• pq D

• 8 A
• 0 B
• 1/8 C
• 3 D

The probability of success ------------ from one trial to another when trials are dependent

• Remains constant A
• Is changed B
• One C
• Zero D

When X denotes the number of success in binomial experiment, it is called.

• Random variable A
• Binomial random variable B
• Continuous random variable C
• Both (B) and (C) but not (A) D

A collection of some of the elements from a group is called.

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

The probability of drawing a "white" ball from a bag containing 4 red, 8 black and 3 with balls is:

• 0 A
• 3/15 B
• 1/15 C
• 2/15 D

a graph of a cumulative frequency distribution is called.

• Histogram A
• Ogive B
• Frequecny polygon C
• None of thesse D

Median divides the data into

• 2 parts A
• 3 parts B
• 4 parts C
• 10 parts D