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

The normal distribution is a _______.

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

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

• 1.96 A
• 2.33 B
• 1 C
• 0 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

For normal distribution mean always lies between.

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

The moment coefficient of skewness is

• β₁ A
• β₂ B
• S_k C
• m₃ D

In case of normal distribution maximum value of ordinate is

• μ A
• Zero B
• 
  C
• 
  D

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

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

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

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

P(μ-2σ < X=< μ + 2σ)=

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

In a normal distribution β₁ = 0 and β₂ = __________.

• 2 A
• 4 B
• 3 C
• 5 D

The normal distribution is a bell shaped_______ distribution.

• Discrete A
• Continuous B
• Symmetrical C
• Skewed 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 moment Coefficient of kurtosis is

• β₁ A
• β₂ B
• Zero C
• m₂ D

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

• μ A
• σ B
• X̅ C
• S.D D

P ( | Z | > a) =

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

• β₁ A
• β₂ B
• β₃ C
• S_k D