If β1 = 0 it means the distribution is _______________?

Related Mcqs:

1. 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.

2. Normal distribution is the distribution of _______________?

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

3. If mean of the binomial probability distribution is 4.8, then variance of this distribution is :_______________?

   A. -2.3
   B. 5.3
   C. -4.8
   D. 2.3

4. N(µ, 2σ) means normally distribution with mean u and variance2σ then (3σ, 4) means _____________?

   A. 46
   B. 76
   C. 36
   D. 47

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

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

6. Every distribution tends to ____ distribution?

   A. Small
   B. ∞
   C. Large
   D. Finite

7. Normal distribution is _____ distribution?

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

8. If a distribution has two modes then this distribution is called______________?

   A. Uni-Modal
   B. Bi-Modal
   C. Tri-Modal
   D. Multi-Modal
   E. None of these

9. For a population with any distribution, the form of the sampling distribution of the sample mean is_____________?

   A. Sometimes normal for all sample sizes
   B. Sometimes normal for large sample sizes
   C. Always normal for all sample sizes
   D. Always normal for large sample sizes

10. In a binomial distribution, n = 20 and p = 3/5, then variance of this distribution ______________?

    A. 60
    B. 12
    C. 4.8
    D. 0