Dish detergent is sold in three different sizes. To save money you want to buy the size that gives you the best deal. Determine
which of the sizes has the best unit cost.
All three sizes offer the same unit cost.
The mini size of dish detergent is the best buy.
The family size of dish detergent is the best buy.
The economy size of dish detergent is the best buy.
Help please

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307