Question
Which of the following could be the valid value(s) of
the correlation coefficient between two variables? (A) -1 (B) +1 (C) -2 (D) +2 Choose the correct answer from the options given belowSolution
The correlation coefficient, which measures the strength and direction of a linear relationship between two variables, ranges from -1 to +1. -1 indicates a perfect negative linear correlation, +1 indicates a perfect positive linear correlation, and 0 indicates no linear correlation. Values outside this range, such as -2 or +2, are not possible.
Which of the following should be done to conserve coal and petroleum?
If 'a' varies as 'b', then which of the following statements is/are correct?
1. nth  root of a2b varies as (2n)th...
Atul has Rs.600 with him. He invested 35% of the amount at 5% p.a. for 6 years and rest at 15% p.a. for 4 years. Find the sum of simple interests receiv...
A 2-member commitee is to be constituted out of 4 men and 2 women. What is the probability that a commitee thus formed will have exactly one woman?
The Election Commission of India gets the power to conduct elections from which of the following articles?
A man starts walking from his house towards the south. After walking 5 km, he turned to his left and walked 6 km. Then he walked further 5 km after turn...
If each letter of the word TYPING is changed to the letter immediately preceding it in the English alphabetical order and the new group of letters thus ...
Which of the following statement/s is/are correct?
       I.           The General Assembly of the United Nations adopted the...
Match the following deserts with the continents they are located in:
Which of the following plays an important role in regulating the amount of light entering into the eye?
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