3. A survey from 50 stores found that the average price of a moisturizing soap is P88.42 and the average price of whitening soap is P80.61. Assume that the standard deviations are P5.62 and P4.83...

3. Solve detailed computation along with Pvalue

Extracted text: 3. A survey from 50 stores found that the average price of a moisturizing soap is P88.42 and the average price of whitening soap is P80.61. Assume that the standard deviations are P5.62 and P4.83 respectively. At a=0.05, can it be concluded that there is a significant difference in the prices?