ICS Part 2 Statistics Chapter 10 Online Test

In normal distribution.

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

In a normal distribution,_____= μ + 0.64745 σ

• Q₁ A
• Q₃ B
• μ C
• σ D

• β₁ A
• β₂ B
• β₃ C
• S_k D

Total probability under the normal curve is

• 1 A
• 0 B
• -1 C
• ∞ D

The normal distribution is a bell shaped_______ distribution.

• Discrete A
• Continuous B
• Symmetrical C
• Skewed D

In case of symmetrical distribution

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

The Quartile deviation (Q.D) of a normal distribution is_______.

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

The normal distribution is --------------------distribution.

• positively skewed A
• negatively skewed B
• symmetrical C
• peaked 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

In case of normal distribution maximum value of ordinate is

• μ A
• Zero B
• 
  C
• 
  D

All odd order moments about mean are

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

The normal distribution is represented as_______

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

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

• 1.96 A
• 2.33 B
• 1 C
• 0 D

The moment Coefficient of kurtosis is

• β₁ A
• β₂ B
• Zero C
• m₂ D

The shape of the normal distribution is like

• J. A
• L B
• bell C
• circle D

P ( | Z | > a) =

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

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

• μ A
• σ B
• X̅ C
• S.D D