In Normal distribution, the parameter which controls the flatness of the curve is____________?

Related Mcqs:

1. Which of the following parameter control the relative flatness of normal distribution?

   A. None
   B. Mode
   C. Standard Deviation
   D. Mean

2. If the sampled population has a normal distribution, when is the sampling distribution of the sample mean X also a normal distribution ?

   A. Only when the sample size is at least 100.
   B. Only when the sample size is smaller than 30
   C. Always
   D. Only when the sample size is at least 30.

3. Normal distribution has ______ parameter?

   A. Three
   B. Two
   C. Four
   D. One

4. The area under the normal distribution curve outside the interval of z=1 and z=3.09 is_____________?

   A. 0.1477
   B. 0.1597
   C. 0.3413
   D. None of These

5. Normal distribution is a probability distribution of _____ random variable?

   A. Continuous
   B. Constant
   C. Discrete
   D. Normal

6. Normal distribution is the distribution of _______________?

   A. Discrete r.v.
   B. Continuous r.v.
   C. Qualitative variable
   D. Quantitative variable

7. Normal distribution is _____ distribution?

   A. Symmetrical
   B. non-symmetrical
   C. + vely skewed
   D. -vely skewed

8. When in a frequency distribution the maximum frequency occur at one end, then the frequency curve of such distribution is ________________?

   A. J- shaped
   B. U- shaped
   C. Bell- shaped
   D. V- shaped

9. If in a sampling distribution of X the sample size is 25, what assumption must hold for the sampling distribution of X to be normal ?

   A. Population distribution is normal
   B. μ1 = μx
   C. Population distribution is uniform
   D. σx = σx /√n

10. __________ of the distribution which is measured relative to the distribution known as Normal?

    A. Skewed
    B. Flatness
    C. Normal
    D. Moment