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Question 1 of 8

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Treat machine age as the explanatory variable and hourly output as the response variable

The table shows paired measurements from 10 cases

Casemachine age (months)hourly output (units)
Case 158279
Case 262287
Case 353296
Case 452273
Case 560271
Case 648283
Case 750287
Case 857286
Case 965260
Case 1045298
(a)1 mark

Select the variable that should be plotted horizontally

(b)2 marks

Write the ordered pair for the case whose machine age is 58 months

(c)1 mark

Select the scatterplot that represents all paired cases