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

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

• 1.96 A
• 2.33 B
• 1 C
• 0 D

In case of normal distribution maximum value of ordinate is

• μ A
• Zero B
• 
  C
• 
  D

The shape of the normal distribution is like

• J. A
• L B
• bell C
• circle D

P(μ-2σ < X=< μ + 2σ)=

• 0.6827 A
• 0.9545 B
• 0.9973 C
• 0.9827 D

Normal distribution ranges from_______.

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

The normal distribution is represented as_______

• N (μ,σ²) A
• N (n,p) B
• N (0,σ²) C
• None of these 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

In case of symmetrical distribution

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

The range of a normal distribution is

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

In case of normal distribution the area to the left of the mean and area to the right of the mean is

• positive  A
• negative B
• equal C
• unequal D

The total area under the normal curve is________.

• Zero A
• Equal B
• Unity C
• True D

In case of normal distribution maximum value of ordinate is

• μ A
• Zero B
• 
  C
• 
  D

Total probability under the normal curve is

• 1 A
• 0 B
• -1 C
• ∞ D

• β₁ A
• β₂ B
• β₃ C
• S_k D

In a normal distribution,_____= μ + 0.64745 σ

• Q₁ A
• Q₃ B
• μ C
• σ 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