Answer 5

The mean temperature of the readings 24.5, 27.0 and 25.0 ^oC is 25.5 ^oC.

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%