For the following questions, first state whether the test needed is a Z-statistic or T-statistic and calculate the

For the following questions, first state whether the test needed is a Z-statistic or T-statistic and calculate the

For the following questions, first state whether the test needed is a Z-statistic or T-statistic and calculate the

test statistic.

Note: Feel free to make a new cell to do some calculations with Python if need be.