2nd Year Statistics Chapter 10 Online MCQ Test for 12th Class Statistics Chapter 10 (Normal Distribution)

The probability density function has ------------------ value for every value of x.

• negative A
• positive B
• minimum C
• maximum D

In case of normal distribution maximum value of ordinate is

• μ A
• Zero B
• 
  C
• 
  D

μ - 2σ to=μ + 2σ contains approximately_______ area.

• 75% A
• 50% B
• 95.45% C
• 99.73% D

The range of a normal distribution is

• —∞ to 1 A
• —∞ to 0 B
• —∞ to + ∞ C
• 0 to ∞ D

The moment coefficient of skewness is

• β₁ A
• β₂ B
• S_k C
• m₃ D

In normal distribution.

• Mean > median > mode A
• Mean = median = mode B
• Mean < median < mode C
• None of these D

• β₁ A
• β₂ B
• β₃ C
• S_k D

Normal distribution is

• unimodal A
• bimodal B
• trimodal C
• multimodal D

Total probability under the normal curve is

• 1 A
• 0 B
• -1 C
• ∞ D

Second moment about mean is also called

• mean A
• variance B
• skewness C
• standard deviation D

In case of normal distribution maximum value of ordinate is

• μ A
• Zero B
• 
  C
• 
  D

P ( | Z | > a) =

• 2ø(a) - 1 A
• ø(a) B
• 2 ø (-a) C
• 1-ø(a) D

For normal distribution mean always lies between.

• Median and mode A
• Median and Q₁ B
• Median and Q₃ C
• None of these D

Normal distribution ranges from_______.

• 1,2,3,............∞ A
• -∞ to +∞ B
• 1,2,3,.........n C
• None of these D

The maximum ordinate of a normal curve is at X = ________.

• μ A
• σ B
• X̅ C
• S.D D

The shape of the normal distribution is like

• J. A
• L B
• bell C
• circle D

The maximum ordinance of the standard normal Curve is at Z = ______.

• 1.96 A
• 2.33 B
• 1 C
• 0 D