Population 1: m 1 = Mean age of Purchasers of Crest Toothpaste
Population 2: m 2 = Mean age of Non-Purchasers of Crest Toothpaste
- Formulate the appropriate null and alternative hypotheses to test if the data presents sufficient evidence to conclude there is a difference in the mean age of purchasers and non-purchasers. Make sure your statements are in both sentence and numerical form.
Ho: m 1 = m 2
Ha: m 1 Not Equal To m 2
Null Hypothesis: The mean age of purchasers of Crest toothpaste is equal to mean age of non-purchasers of Crest Toothpaste
Alternative Hypothesis: The mean age of purchasers of Crest toothpaste is not equal to mean age of non-purchasers of Crest toothpaste.
- What is your decision and conclusion using the p-value approach? Provide the empirical evidence and explain how you arrived at this decision and conclusion. P Value .05788 is greater than significance value (.01) so we fail to reject the null. Is this correct?