You are given a spreadsheet containing data regarding the lifespans of goldfish that live in a fishbowl in direct sunlight or a fishbowl in indirect sunlight. The spreadsheet contains two columns. One column with the lifespans of goldfish placed in direct sunlight and one column with the lifespans of goldfish placed in indirect sunlight. Outline a plan containing all values you would need to find and steps you would need to take to determine if there is a difference between the lifespans of goldfish that live in a fishbowl in direct sunlight or a fishbowl in indirect sunlight. Be thorough in your explanation.