<p> Answers to Worksheet on Peanut Butter Comparison 1. The dot symbol represents the data for the natural brands, and the diamond symbol represents data for regular brands. 2. There are two clusters of data points: a group near the upper right representing high quality and high price of natural brands, and group near the lower left representing low quality and low price of regular brands. The overall relationship in the data is “the higher quality, the higher the price. 3. Possible answer: Two data pairs appear to be unusual, those for Hollywood Natural and Health Valley 100% Natural. Both brands have relatively low quality ratings (34 and 40, respectively) but relatively high prices (0.32 and 0.34) respectively) a combination that runs against the overall trend in data. 4. To compare the quality ratings of the two categories, look at the relative positions of the two symbols along the horizontal axis. In general, natural peanut butters have higher quality ratings. 5. To compare the prices of the two categories, look at the relative positions of the two symbols along the vertical axis. In general, natural peanut butters have higher prices.</p>