Question

4 Linear fit to an arbitrary data set For this question, there are 12 different data sets to choose from, labelled 'Data_Set_n'. These files contain a column of $x$ values and a column of $y$ values. There is no right/wrong or easy/hard choice, but please make it clear which one you have chosen. Calculate the mean and standard deviation of the $y$ values in your chosen data set. Fit a straight line to your chosen data set and calculate the best-fit gradient, intercept and their uncertainties. Is a straight line a sensible choice to fit to your chosen data set?

          4 Linear fit to an arbitrary data set
For this question, there are 12 different data sets to choose from, labelled 'Data_Set_n'. These
files contain a column of $x$ values and a column of $y$ values. There is no right/wrong or
easy/hard choice, but please make it clear which one you have chosen. Calculate the mean and
standard deviation of the $y$ values in your chosen data set. Fit a straight line to your chosen
data set and calculate the best-fit gradient, intercept and their uncertainties. Is a straight line
a sensible choice to fit to your chosen data set?

4 Linear fit to an arbitrary data set
For this question, there are 12 different data sets to choose from, labelled 'DataSetn'. These
files contain a column of x values and a column of y values. There is no right/wrong or
easy/hard choice, but please make it clear which one you have chosen. Calculate the mean and
standard deviation of the y values in your chosen data set. Fit a straight line to your chosen
data set and calculate the best-fit gradient, intercept and their uncertainties. Is a straight line
a sensible choice to fit to your chosen data set?

Added by James N.

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