3. Test the claim that average price of Basic Staple basket in Penang is significantly different compared to the in Selangor. 4. Two larger supermarket chains, Aeon and Tesco control nearly 70% of the grocery market. During the inquiry it argued that the larger buying power of those chains makes them cheaper than other supermarkets. On the other hand, another group argued that there is no significant difference of grocery prices among supermarkets. Using the data collected, how do you test the claim that there is no significant difference of the average prices for the Basic Staple basket at different supermarkets? What do you find from your analysis?