6. The librarian at a public library wants to determine what proportion of the library users are children. The librarian

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6. The librarian at a public library wants to determine what
proportion of the library users are children. The librarian has a
tally sheet on which she marks whether books are checked out
by an adult or a child. She records this data for every fourth
patron who checks out books.
Question 6 options:
random
systematic
convenience
stratified
cluster
7. An engineering student measures the strength of fingers used
to push buttons by testing family members.
Question 7 options:
random
systematic
convenience
stratified
cluster
8. The quality control department at a soda manufacturer
measures the volume of every 12th can off the assembly line.
Question 8 options:
random
systematic
convenience
stratified
cluster
9. A company selects every 25th person on the payroll to
participate in drug testing.
Question 9 options:
random
systematic
convenience
stratified
cluster
10. A researcher chooses 5 of the school districts in the Los
Angeles area and asks each household in those districts how many
school-aged children are in the home.
Question 10 options:
random
systematic
convenience
stratified
cluster