9.3 Blaymount Amateur Dramatic Society is staging a play and wants to know how much to spend on advertising. Its objective is to attract as many people as possible, up to the hall capacity. For the past 11 productions their spending on advertising (in hundreds of pounds) and total audience are shown in the following table. If the hall capacity is now 300 people, how much should Blaymount spend on advertising? Spending 3 5 1 7 2 4 4 2 6 6 4 Audience 200 250 75 425 125 300 225 200 300 400 275
9.3 Blaymount Amateur Dramatic Society is staging
a play and wants to know how much to spend
on advertising. Its objective is to attract as many
people as possible, up to the hall capacity. For
the past 11 productions their spending on
advertising (in hundreds of pounds) and total
audience are shown in the following table. If
the hall capacity is now 300 people, how much
should Blaymount spend on advertising?
Spending 3 5 1 7 2 4 4 2 6 6 4
Audience 200 250 75 425 125 300 225 200 300 400 275
9.4 Ten experiments were done to find the effects
of bonus rates paid to the sales team. What is
the line of best fit through the following
results? How good is the fit?
% Bonus 0 1 2 3 4 5 6 7 8 9
Sales (’00s) 3 4 8 10 15 18 20 22 27 2
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