Concentration 2014 (ppm)	Concentration 2015 (ppm)	Concentration 2016 (ppm)
0.02294	0.03853	0.05750

At an alpha level of 5% test the claim that the mean concentration of Boscalid in 2016 is greater than the mean concentration of Boscalid in 2015.

a) Name the hypothesis test(s) you need to run to test this claim.

b) List the assumptions of the hypothesis test(s) you need to run.

c) Write the null hypothesis and the alternative hypothesis for the test(s) you need to run.

d) Run the appropriate hypothesis test(s) in Excel and record the following for each test you ran:

Degrees of Freedom (df)

Test Statistic

p-Value

e) Write the final summary statement.

f) Do the results support the claim that the mean concentration of Boscalid in 2016 is greater than the mean concentration of Boscalid in 2015.