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

In case of normal distribution maximum value of ordinate is

• μ A
• Zero B
• 
  C
• 
  D

In case of symmetrical distribution

• μ₁ = μ₂ = μ₃ = μ₄ A
• β₁ = β₂ B
• P₁ < P₂ C
• 
  D

The total area under the normal curve is________.

• Zero A
• Equal B
• Unity C
• True D

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

• 75% A
• 50% B
• 95.45% C
• 99.73% D

The mean deviation (M.D) of a normal distribution is ________.

• 4/5 σ A
• 5/4 σ B
• 2/3 σ C
• None of these D

The range of a normal distribution is

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

All odd order moments about mean are

• unique A
• zero B
• different C
• one D

The moment coefficient of skewness is

• β₁ A
• β₂ B
• S_k C
• m₃ D

The moment Coefficient of kurtosis is

• β₁ A
• β₂ B
• Zero C
• m₂ D

The point of inflection in normal distribution are _______.

• μ - σ, μ + σ A
• μ - σ, μ + 2σ B
• μ, σ C
• None of these D

All odd ordered moments about mean are ______ in a normal distribution.

• Zero A
• Unity B
• Positive C
• Negative D

In normal distribution.

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

The normal distribution is a _______.

• Positive A
• Negative B
• Discrete C
• Continuous D

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

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

Second moment about mean is also called

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

Total probability under the normal curve is

• 1 A
• 0 B
• -1 C
• ∞ D

• β₁ A
• β₂ B
• β₃ C
• S_k D