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# Math 225 Week 1 Assignment: sampling methods

## Math 225 Week 1 Assignment: sampling methods

Week 1 Assignment: sampling methods

Question

Douglas wants to estimate the percentage of homeowners that own at least one dog. He surveys 125 randomly selected homeowners to determine whether or not they own dogs. What is the statistic?

the percentage of surveyed homeowners who own at least one dog

specific responses to the survey

the percentage of all homeowners who own at least one dog

the 125 homeowners surveyed

all homeowners

Question

Raymond wants to estimate the percentage of parents who use cloth diapers. He asks a randomly selected group of 200 parents whether or not they use cloth diapers. What is the data?

the percentage of all parents who use cloth diapers

the 200 people surveyed

all parents who use cloth diapers

the percentage of surveyed parents who use cloth diapers

specific “yes” or “no” responses to the survey

Question

Thomas wants to estimate the mean height of students attending his college. He records the heights of 25 randomly selected students attending the college. What is the parameter?

the heights of the randomly selected students

the mean height of all students attending the college

the mean height of the randomly selected students

the 25 randomly selected students

all the students attending the college

Question

Raymond wants to estimate the percentage of parents who use cloth diapers. He asks a randomly selected group of 200 parents whether or not they use cloth diapers. What is the parameter?