You have collected the following data from two suppliers. Are the suppliers significantly different at the 0.05 level of significance?
Supplier One Supplier Two
Sample Size 45 52
Sample mean 8.1 9.3
Sample standard deviation 1.1 1.2
Show the hypotheses for this test, test statistic and p value.
Independent sample Students t test.
The solution contain Null Hypothesis, Alternative Hypothesis, Significance Level, Critical Value, P value. Interpretation of the results are also given.