Using the method of least squares fit a straight line to


(a) Using the method of least squares, fit a straight line to the following data. What are the least squares estimates of the slope and intercept of the line?

x    10    20    30    40     50     60

y    2.7   3.6   5.2   6.1    6.0    4.9

(b) Calculate 99% confidence intervals for the slope and intercept.

(c) Comment on the data and analysis and carry out any further analysis you think is appropriate.

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Basic Statistics: Using the method of least squares fit a straight line to
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