Question
For an experiment we have the following data set: n =
4, ∑ X = a,∑ Y = 10,∑ XY = 21,∑ X2 = 30,∑ Y2 = 30 the correlation coefficient is -0.8 then the value of a is:Solution
The correct answer is C
More Welfare Economics Questions
- The following sentence contains a word with a spelling error. Rectify the sentence by selecting the correct spelling of the identified word from the given ...
In each of the following sentences given below, four words have been printed in bold. One of these words may be misspelt or inappropriate in the contex...
- Choose the word that is misspelled:
1) embellish
2) frugol
3) enormos
4) gregayrious
In the sentence, four highlighted words are given. One of these words may be misspelt or inappropriate in the context of the sentence. Find out the ...
- In each sentence below four words have been printed in bold which are numbered (1), (2), (3) and (4) One of these words may be misspelt or inappropriate in...
Find the correct spelling of the word given below.
- In the sentence given below four words have been printed in bold which are labeled as (A), (B), (C) and (D) One of these words may be misspelt or inappropr...
- In each sentence below four words have been printed in bold which are labeled as (A), (B), (C) and (D) One of these words may be misspelt or inappropriate ...
- Identify the misspelt word among the following given options:
