1. Suppose the following scatterplot shows data relating the number of visitors at Richmond Beach, y, on a day with a high temperature of x, in degrees Fahrenheit. The best fit line/regression line has the equation y = 14.89x – 530.6. y 800- 700- 600 a. Do you expect the correlation between the high temperature and number of visitors to be closer to 1,0, or -1? Briefly explain. 500 400- 300 b. Explain the meaning of the slope of the regression line in terms of the high temperature and the number of visitors that day. 200- 100- 40 50 60 70 80 90 Hlgh temperature X c. What does the model predict for the number of visitors on a day with a high temperature of 80 degrees F? Include units in your answer. d. The actual number of visitors on the 80 degrees F day was 780. Find the residual for that day. Does the model give an overestimate or an underestimate for that day? Number of visitors

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.