Question

A botanist at a nurserv wants to inspect the health or the diants at the nurserv. which or the following best describes a svstematic samble or biants? A.The botanist takes a list of the plants and selects every 3rd plant until 72 plants are selected B.The botanist forms arouds of 8 blants based on the heights of the blants. Then. he randomly chooses 9 arouds and selects all of the olants in these arouns. C.All of the plants that are in one particular room at the nursery are easily accessible. So, the botanist selects the 72 plants in this particular room. The organizers ot a conterence want to surve attendees about the registration tee. which of the following best describes a random sample of attendees? A. The organizers select the first 6 attendees who register for the conference because these attendees are easily accessible B. The organizers assign each attendee a different number. Using a random number table, the organizers draw 60 of those numbers at random. Then, the organizers select the attendees assigned to the drawn numbers. Every set of o attendees is equally likely to be drawn using the random number table C. The organizers take a list of the attendees and select every o attendee until on attendees are selected Counselors at a college want to poll students about how much time the students spend studying. Which of the following best describes a cluster sample of students: A.The counselors form 6 groups of students based on the numbers of classes the students are takinq. Then, the counselors select 13 students at random from each group BThe counselors use a computer program to draw 78 students at random and select these students. Every set of 78 students is equally likely to be drawn by the computer program CThe counselors form groups of 13 students based on the students' majors. Then, the counselors select all of the students in 6 randomly chosen groups.

A botanist at a nurserv wants to inspect the health or the diants at the nurserv. which or the following best describes a svstematic samble or biants?
A.The botanist takes a list of the plants and selects every 3rd plant until 72 plants are selected
B.The botanist forms arouds of 8 blants based on the heights of the blants. Then. he randomly chooses 9 arouds and selects all of the olants in these arouns.
C.All of the plants that are in one particular room at the nursery are easily accessible. So, the botanist selects the 72 plants in this particular room.
The organizers ot a conterence want to surve attendees about the registration tee. which of the following best describes a random sample of attendees?
A. The organizers select the first 6 attendees
who register for the conference because these attendees are easily accessible
B. The organizers assign each attendee a different number. Using a random number table, the organizers draw 60 of those numbers at random. Then, the organizers select the attendees assigned to the drawn numbers. Every set of o attendees is equally likely to be drawn using the random number table
C. The organizers take a list of the attendees and select every o attendee until on attendees are selected
Counselors at a college want to poll students about how much time the students spend studying. Which of the following best describes a cluster sample of students:
A.The counselors form 6 groups of students based on the numbers of classes the students are takinq. Then, the counselors select 13 students at random from each group
BThe counselors use a computer program to draw 78 students at random and select these students. Every set of 78 students is equally likely to be drawn by the computer program
CThe counselors form groups of 13 students based on the students' majors. Then, the counselors select all of the students in 6 randomly chosen groups.

Added by Ashley W.

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