1. You are reading about a recent study that was investigating if hours of exercise per week had an effect on resting heart rate. The study included 18 male college students aged 17-22 from across the country. The participants were given fitness trackers and after a month reported their average number of hours of exercise per week and their resting heart rate in (beats per minute).

a. The sample is[ Select ]

college students

18 year olds

male college students

18 male college students aged 17-22

b. An appropriate population to draw inference to would be

18 male college students aged 17-22

all male college students aged 17-22

all college students

all male college students

c. The predictor variable is _________[ Select ]

age

wearing a fitness tracker

resting heart rate

hours of exercise per week

d. and the response variable is________[ Select ]

resting heart rate

wearing a fitness tracker

hours of exercise a week

going to college

d. Is this study observational or experimental? [ Select ]

Observational

Experimental

e. Can this study make cause and effect claims from their data? Select

No, because observational studies can not make cause and effect claims.

Yes, because observational studies can make cause and effect claims.

Yes, because experimental studies can make cause and effect claims.

No, because experimental studies can not make cause and effect claims.

This is a continuation from the above question