In Part C, why do we perform a fit to the multiple data points for period and length rather than just check each one individually?

Question

Accepted Answer

the fit allows us to simultaneously consider all the data, and hence reach a more precise result

Answer

The fit ensures that we get a better estimate for each data point and thus reduces the uncertainty in each period

Answer

nothing, we could equally well use any one data point to check the relationship

Answer

because fitting guarantees we get the correct answer

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