Suppose that the equation for the line of best fit for some…

Suppose that the equation for the line of best fit for some data is with . a) What is the correlation coefficient? b) What is the predicted y value for an x value of 100? c) What x value might give a ya value of 249? d) In this situation doe, does the x-variable cause the y-variable?

Which types of graphs (bar, circle, histogram, line plot, st…

Which types of graphs (bar, circle, histogram, line plot, stem and leaf, box plot) could be made with the following data sets?  Justify your answers. a) the responses of 20 five-year-old children to the question “What is your favourite flavour of ice cream?” b) the heights of 20 five-year-old children