John is a psychologist. He wants to understand the correlation between exercise and severe depression for 5 consecutive years, he decides to keep track of adults who exercise at least 30 minutes per day, five times a week and adults who do not exercise at all. All studies yield the same results. This can be described as ? Mendy spins a spinner and rolls a die to find the probability that the next spin and roll will have a sum of 8 to 10 the spinner has seven sections labeled 1 to 7, and the die has six sides labeled 1 to 6. This can be described
as?
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An auto insurance company wants to compare the number of auto accidents in Seattle caused by adult drivers to the number caused by teen drivers. For seven consecutive months, the company decides to record the number of auto accidents caused by teen drivers and the number of auto accidents caused by adult drivers. This can be described as ?
Ryan randomly asks a group of 200 students at his school which sport among soccer, rugby, and lacrosse should be added as an intramural sport for students to play after school. Based on their answers, he concluded that lacrosse should be added as an intramural sport. This can be described as