If Y=-8X – 5 and SD of X is 3, then SD of Y is______________?

Related Mcqs:

1. The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is______________?

   A. 20
   B. 5
   C. 2.5
   D. 5.5
   E. 0

2. 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

3. If the smallest observation in a data is decreased, the average which is not affected is______________?

   A. G.M.
   B. Median
   C. Mean
   D. Harmonic mean

4. The degree to which numerical data tend to spread about an average value is a________________?

   A. Range
   B. variance
   C. Minimum
   D. Dispersion

5. The correct variance is define as the __________________?

   A. varies of data P2/6
   B. S.D. of data h2/12
   C. M.D. of data h2/6
   D. Variance of data h2/12

6. The sum of powers of deviation from mean is zero is called __________?

   A. Mean
   B. Lack
   C. Normal
   D. Skewed

7. The measure of relative dispersion is called __________________?

   A. Quartile deviation
   B. Mean dervation
   C. Mean coefficient
   D. Coefficient of quartile Deviation

8. The standard deviation is affected by the value of every____________?

   A. Relative Dispersion
   B. Observation
   C. Absolute
   D. Items

9. If all values are same then the measure of dispersion will be?

   A. 1
   B. 0
   C. Mean
   D. Mode
   E. Median

10. Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?

    A. 4
    B. 8
    C. 2
    D. 0