While calculating Pearson's correlation coefficient, the following values are obtained for 25 pairs of observations. It was later discovered that two pairs of observations were not correctly copied they were taken as (X, Y) = (6,14) and (8,6), while the correct values were (8,12) and (6,8). What is the correct value of correlation coefficient? ΣΧ = 125; ΣX² = 650; ΣΥ = 100; ΕY² = 460, ΣΧΥ= 508

The level of pollution is increasing day-by-day _________ in ill-health of hundreds of people.

Select the most appropriate option to fill in the blank.

Virat Kohli is looking forward  ________ IPL again?

Jane used volunteering as an ___________  to help her come to terms with her husband’s death. 

Select the most appropriate option to fill in the blank.

A ______ mind rarely meets a dead end; it continues the search for the answers.

Add suitable question tags to the following statements from among the choices given below them.

Let us go slow on the matter, ____?

Fill in the blanks with appropriate forms of modals from the alternatives given below each sentence.

1) into

2) Besides

3) but

4) and

5) Though