The sole proprietor of Sam's Swings is interested in gaining a better understanding of his current customers in terms of certain demographic and lifestyle characteristics so he may better serve their needs. For this purpose, he should most appropriately conduct research.

Descriptive.

Explanation:

This is explained to be be a form of study that shows to be done in a descriptive manner where it talks about the data analysis, design and form at which the given topic is been solved at the said moment. This is why in the above case, the demographic and lifestyle properties are been ascertained for better conclusions that can drive to the given description. When this is gotten, it will be clearly seen to get a resonable amount ofescription which he require.

sorry but no can't do. ok pal