Correct option is C
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If Covxy = 4, Varx = 4 and Vary = 16, the correlation between x and y equals to
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- 1)
The proportion of habitable space from which insect counts are taken is called as
- 2)The correlation coefficient is a unit-free measure which ranges from -
- 3)The error degree of freedom in Randomized Block Design (RBD) with ‘t’ treatments and ‘r’ replications is calculated by -
- 4)Which among the following statements is incorrect?
- 5)The value arrived by dividing the sum of observations by the total number of observations is called as -
- 6)If the regression coefficient of Y on X is -1.6 and of X on Y is -0.4, then the correlation coefficient between X and Y will be:
- 7)To test
when the population standard deviation is known, the appropriate test is:
- 8)The hypothesis of no difference is known as
- 9)Type 2nd error is denoted by?
- 10)The variance is the square root of–
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