b) A surfer recorded the temperature and the number of people on his local beach at the Gold Coast on 9 Sunday mornings.

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b) A surfer recorded the temperature and the number of people on his local beach at the Gold Coast on 9 Sunday mornings.

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B A Surfer Recorded The Temperature And The Number Of People On His Local Beach At The Gold Coast On 9 Sunday Mornings 1
B A Surfer Recorded The Temperature And The Number Of People On His Local Beach At The Gold Coast On 9 Sunday Mornings 1 (47.65 KiB) Viewed 30 times
b) A surfer recorded the temperature and the number of people on his local beach at the Gold Coast on 9 Sunday mornings. The scatterplot below shows the results. i. Is there a linear relationship between these variables (describe) ii. The least squares equation for this data approximates Y=-560 +31.01X. What is the gradient of the line? What is the y-intercept? iii. Predict the number of people who would be on the beach if the temperature was 26°C iv. Predict the number of people who would be on the beach if the temperature was 8°C Relation of people to temperature at the beach People 600 500 400 300 200 100 0 15 20 25 40 Temperature 0 5 10 30 35
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