A biopsychologist is interested in studying the effects of marijuana on cognitive skills by studying a group of 7 rats.He puts each rat in a maze and measures the time it takes the rat (in minutes) to find the cheese at the end of the maze.He then puts a mask on the rat and has it inhale marijuana smoke for 5 seconds.He then puts the rat back in the maze,and records its time to reach the cheese.Twenty minutes later he puts the rat back in the maze to test for lasting effects of the drug.The tables below summarize the data and part of the data analysis: 
What is the SS Total?
Definitions:
Absorption Costing
An accounting method where all manufacturing costs, including both variable and fixed, are absorbed by the products.
Cost-plus Pricing
A pricing strategy where a fixed percentage or specified amount is added to the production cost to determine the sell price of a product or service.
Return on Investment
A profitability metric calculated as the net gain from an investment relative to its initial cost, used to measure the efficiency or profitability of an investment.
Selling Price
The sum a purchaser spends to acquire a good or service from a vendor.
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