Geometric means of X1 and X2 is________________?

Related Mcqs:

1. Given the N values in a series, the geometric mean is______________?

   A. The third root of the product of N values B. The square root of the product of N values C. The fourth root of the product of N values D. The Nth root of the product of N values...

2. The Geometric Mean of -2, 4, 03, 6, 0 will be______________?

   A. -3 B. 0 C. 3 D. Cannot be Computed E. None of these...

3. If 10% is added to each value of variable, the geometric mean of new variable is added by_______________?

   A. 5% B. 10% C. No Change D. 110% E. 90%...

4. Which of the following case is true for hyper geometric distribution________________?

   A. Probability remains constant for all the trials. B. Probability changes from trial to trial C. Successive trial are dependent D. Both (b) & (c) but not (a)...

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

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

6. If X and Y are independent then SD (X − Y) is________________?

   A. SD(X)−SD(Y) B. SD(X)+SD(Y) C. SD(X)+SD(Y)−−−−−−−−−−−−−−√ D. Var(X)+Var(Y)−−−−−−−−−−−−−−−√ 18) If Y=−8X − 5 and SD of X is 3, then SD of Y is...

7. Var(2X+3) is________________?

   A. 5 Var(X) B. 4 Var(X) C. 4 Var(X)+3 D. 5 Var(X)+3...

8. The Harmonic Mean of any two numbers is________________?

   A. a+b2 B. 2aba+b C. ab−−√ D. a+b...

9. We use normal distribution when “n” is________________?

   A. Small B. None C. Fixed D. Large...

10. In a normal distribution E(X-µ)2 is________________?

    A. Variance B. Mean Deviation C. Standard Deviation D. Quartile Deviation...