Normal Distribution Quiz | Normal Distribution Online Test for Practice

31. The parameters of the normal distribution are:

1. n and p
2. μ and σ²
3. μ and σ
4. np and nq

32. The points of inflection of the standard normal distribution lie at:

1. μ and σ
2. -1 and 0
3. 0 and 1
4. -1 and +1

33. The range of normal distribution is:

1. -∞ to +∞
2. 0 to n
3. 0 to ∞
4. -1 to +1

34. The range of standard normal distribution is:

1. -∞ to +∞
2. 0 to n
3. 0 to ∞
4. 0 to k

35. The semi-inter quartile range for a standard normal random variable Z is:

1. 0.7979 σ
2. 0.6745
3. 0.6745 σ
4. 0.7979

36. The shape of the normal curve depends upon the value of:

1. Quartile deviation
2. Standard deviation
3. Q1
4. Mean deviation

37. The skewness and kurtosis of the normal distribution are respectively:

1. One and one
2. Zero and zero
3. Zero and one
4. One and zero

38. The total area of the normal probability density function is equal to:

1. 0.5
2. 1
3. 0.25

39. The value of π is approximately equal to:

1. 3.6416
2. 3.4116
3. 3.1416
4. 3.1614

40. The value of e is approximately equal to:

1. 2.1416
2. 2.7183
3. 2.1783
4. 2.8173

41. The value of second moment about the mean in a normal distribution is 5. The fourth moment about the mean in the distribution is:

1. 75
2. 5
3. 15
4. 25

42. The value of the standard deviation σ of a normal distribution is always:

1. Equal to 0.5
2. Equal to zero
3. Greater than zero
4. Less than zero

43. Which of the following is possible in normal distribution?

1. σ > n
2. σ < 0
3. σ = 0
4. σ > 0

44. Which of the following is true for the normal curve:

1. All of the above
2. Symmetrical
3. Unimodel
4. Bell-shaped