2.1.42

In order to investigate how many hours a day students at their school tend to spend on course work outside of regularly scheduled class time, a statistics student takes a random sample of 150 students from their school by randomly choosing names from a list of all full-time students at their school that semester. The student finds that the average reported daily study hours among the 150 students is 2.23 hours.

1- Identify the population of interest.

A. ALL STUDENTS IN THE US

B. RANDOM SAMPLE OF THE STUDENTS IN THE SCHOOL

C.ALL STUDENTS AT THE SCHOOL

2- Identify the sample.

A. ALL THE STUDENTS AT THE SCHOOL

B. THE 150 STUDENTS

C. ALL THE STUDENTS IN THE US

3-Identify the parameter of interest.

A. THE AVERAGE STUDY TIME FOR ALL STUDENTS IN THE SCHOOL

B.THE AVERAGE DAILY STUDY TIME FOR ALL STUDENTS IN THE SAMPLE

C. THE NUMBER OF STUDENTS AT THE SCHOOL WHO STUDY

D. THE PROPORTION OF STUDENTS AT THE SCHOOL WHO STUDY

4- Identify the statistic.

A. THE NUMBER OF STUDENTS AT THE SCHOOL WHO STUDY

B. THE AVERAGE DAILY STUDY TIME FOR THE STUDENTS IN THE SAMPLE

C. THE AVERAGE STUDY TIME FOR ALL THE STUDENTS IN THE SCHOOL

TD. HE PROPORTION OF STUDENTS AT THE SCHOOL WHO STUDY

ANSWER 1-4 PLEASE