7 Question 5 (6 marks) dollars, against the number of delegates who attended the previous 23...

 

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7 Question 5 (6 marks) dollars, against the number of delegates who attended the previous 23 two-day conferences The hotel offers conference packages. The scatterplot below shows the cost per delegate, in held at the hotel. 1000 a. 900 800 700 cost per 600 delegate 500 ($) 400 300 200 100 0 25 50 75 100 125 150 175 200 225 number of delegates Name the explanatory variable. Explain why it is appropriate to calculate a least squares regression line equation for b. this data. The equation of the least squares line is cost per delegate=898.44-3.54 x number of delegates 1 mark 1 mark C. Draw the graph of the least squares line on the scatterplot above. 1 mark (Answer on the scatterplot above.) 7 Question 5 (6 marks) dollars, against the number of delegates who attended the previous 23 two-day conferences The hotel offers conference packages. The scatterplot below shows the cost per delegate, in held at the hotel. 1000 a. 900 800 700 cost per 600 delegate 500 ($) 400 300 200 100 0 25 50 75 100 125 150 175 200 225 number of delegates Name the explanatory variable. Explain why it is appropriate to calculate a least squares regression line equation for b. this data. The equation of the least squares line is cost per delegate=898.44-3.54 x number of delegates 1 mark 1 mark C. Draw the graph of the least squares line on the scatterplot above. 1 mark (Answer on the scatterplot above.)

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