Question: 1 What is the most likely value for Pearsons correlation coeffi cient for the following descriptions of scatter diagrams? Options: (a) 0 (b) 0.9 (c)

1 What is the most likely value for Pearson’s correlation coeffi cient for the following descriptions of scatter diagrams?

Options:

(a) 0

(b) –0.9

(c) 0.4

(d) 0.8

(e) 1 (i) Variables seem to be independent of each other.
(ii) Points lie on a straight upwards- sloping line.
(iii) Points are close to a straight line sloping downwards.
(iv) Points are widely scattered around a straight line sloping upwards.
(v) Points are close to a straight line sloping upwards.

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