Mathematics 0580 · IGCSE · Scatter diagrams

Scatter diagrams — practice question

Over one week, 11 students note the length of time they spend on social media and on watching television.
(a)[1]

Find the range of the times spent on social media.

(b(i))[1]

Complete the scatter diagram by adding the missing points.

(b(ii))[1]

What type of correlation does the scatter diagram show?

(b(iii))[1]

Draw the line of best fit for the scatter diagram.

(b(iv))[1]

Use your line of best fit to estimate how many hours this student spent on social media.

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