If Y=−8X − 5 and SD of X is 3, then SD of Y is _______________?

Related Mcqs:

1. The word statistics is at present used in _______________?

   A. Two ways
   B. Four ways
   C. Six ways
   D. Three way

2. Data published by Bureau of statistics in its publications are _______________?

   A. Secondary data
   B. Discrete data
   C. Continuous data
   D. None

3. If E (ax) = _______________?

   A. A
   B. a E(x)
   C. x E(a)
   D. Non of these

4. Addition Law of probability for mutually exclusive event is equal _______________?

   A. P(AUB)=P(A) + (B)
   B. P(AUB) = P(A) + P(B) – P(A∩B)
   C. P(A∩B) = P(A) + P(B) + P(A∩B)
   D. P(A∩B) = P(A). P(B

5. The joint probability is _______________?

   A. The likelihood of two events happening together
   B. The likelihood of two events happening given that another event has already ha
   C. Based on two mutually exclusive events
   D. Also called Prior probability

6. The probability of getting exactly three tails when three balanced coins are tossed once _______________?

   A. 1/8
   B. 2/8
   C. 5/8
   D. 7/8

7. if Var(T2)_______________?

   A. Efficient
   B. Sufficient
   C. Unbiased
   D. Consistent

8. If a Binomial experiment is repeated ‘N’ times then binomial frequency distribution is. _______________?

   A. N.{nx}px qn-x
   B. N p q
   C. N.{n/x}px qn-x
   D. N.{n/x}p qn-x

9. Binomial distribution ranges from _______________?

   A. 1 to n
   B. 0 to n
   C. 1 to ∞
   D. 0 to ∞

10. The variance of 4,4,4,4,4,4 is _______________?

    A. 4
    B. (4)2
    C. 8
    D. None of these