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

P(μ-2σ < X=< μ + 2σ)=

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

In case of normal distribution maximum value of ordinate is

• μ A
• Zero B
• 
  C
• 
  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

If X - N (50,25), then=σ = ________.

• 3 A
• 5 B
• 25 C
• 50 D

The shape of the normal distribution is like

• J. A
• L B
• bell C
• circle D

• β₁ A
• β₂ B
• β₃ C
• S_k D

The moment Coefficient of kurtosis is

• β₁ A
• β₂ B
• Zero C
• m₂ D

Normal distribution is

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

In normal distribution.

• Mean > median > mode A
• Mean = median = mode B
• Mean < median < mode 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 total area under the normal curve is________.

• Zero A
• Equal B
• Unity C
• True D

Points of inflexion of normal curve are at

• μ and σ A
• x=μ-σ and x=μ+σ B
• μ and 2σ C
• μ = o D

Total probability under the normal curve is

• 1 A
• 0 B
• -1 C
• ∞ 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 moment coefficient of skewness is

• β₁ A
• β₂ B
• S_k C
• m₃ D

In a normal distribution,_____= μ + 0.64745 σ

• Q₁ A
• Q₃ B
• μ C
• σ D