Five pairs of readings (x, y) are recorded and the results are summarised below. x =...

 

Transcribed Image Text:

Five pairs of readings (x, y) are recorded and the results are summarised below. x = 15; = 50; x2 = 55; y = 580. a) Find b) i) Sx ii) Sy The Product Moment Correlation Coefficient is 1/2. Find xy. c) Explain why sxy cannot be larger than the product of sx and sy. Five pairs of readings (x, y) are recorded and the results are summarised below. x = 15; = 50; x2 = 55; y = 580. a) Find b) i) Sx ii) Sy The Product Moment Correlation Coefficient is 1/2. Find xy. c) Explain why sxy cannot be larger than the product of sx and sy.