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## Description

1.Question

You want to find the average test score of the students in every math class in 11th grade. There are 15 math classes in 11th grade. You survey the scores of 7 math classes, and you calculate that the average test score is 83%.

Which of the following represent the sample and the parameter in this scenario?

Sample: 7 math classes

Parameter: the average test score of 83%

Sample: 15 math classes

Parameter: The parameter is unknown.

Sample: 15 math classes

Parameter: the average test score of 83%

2.Question

Angela wants to estimate the mean number of siblings for each student in her school. She records the number of siblings for each of 200 randomly selected students in the school. What is the data?

the mean number of siblings for all students in the school

the mean number of siblings for the randomly selected students

the specific number of siblings for each randomly selected student

all the students in the school

the 200 randomly selected students

3.Question

Patrick wants to estimate the percentage of parents who use cloth diapers. He asks a randomly selected group of 125 parents whether or not they use cloth diapers. What is the statistic?

the 125 people surveyed

the percentage of all parents who use cloth diapers

the percentage of surveyed parents who use cloth diapers

all parents who use cloth diapers

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

4.Question

Sharon wants to estimate the percentage of parents who use cloth diapers. She asks a randomly selected group of 75 parents whether or not they use cloth diapers. What is the population?

the 75 people surveyed

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

the percentage of surveyed parents who use cloth diapers

the percentage of all parents who use cloth diapers

all parents

5.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

6.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

7.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

8.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?