Hint - Q6

The 95% Confidence Level is a product of the Standard Error and the 95% t-value for the number of measurements (n) or Degrees of Freedom (n-1) for the data set being evaluated.

Question 6

The 95% Confidence Level can be found by -

Using the Equation (provided in this tutorial) to find s_m

Using the Equation (provided in this tutorial) to find s_m and the table (provided in this tutorial) to look up an appropriate value for t_95%

Using the Equation (provided in this tutorial) to find s_m or using the table (provided in this tutorial) to look up an appropriate value for t_95%

Using the table (provided in this tutorial) to look up an appropriate value for t_95%