Simple Random Sample

Question 1

Each member of the art club places their name in a hat. The hat is shaken and the club moderator pulls three names from the hat without looking to choose who gets the free tickets to a gallery. Which statement justifies that this scenario represents an SRS?

Revolt · Accepted Answer

C: The group of students is chosen from the entire population, and each group has an equally likely chance of being chosen.

Question 2

A doctor compiles a numbered list of all his 350 patients. He selects every 25th patient to receive a survey after choosing to randomly start with the seventh name on the list. Which statement correctly identifies and justifies whether the scenario represents an SRS?

Revolt · Accepted Answer

D: This does not represent an SRS because each group of patients chosen does not have an equally likely chance of being chosen.

Question 3

Which statements are true about using the table of random digits method to identify an SRS? Check all that apply.Given a population of size 400, use three-digit numbers to label each member.Select the individuals or items that correspond to the randomly selected numbers.If we have labeled our population with pairs of two-digit numbers, we would interpret a series of digits in the table reading 31645 as 31, 16, 64, 45.While searching a series of digits, ignore zeros.If we have labeled our population of two-digit numbers, we would interpret a series of digits in the table reading 03495 96193 as 03, 49, 59, 61, 93.

Revolt · Accepted Answer

A: Given a population of size 400, use three-digit numbers to label each member.; B: Select the individuals or items that correspond to the randomly selected numbers.; E: If we have labeled our population of two-digit numbers, we would interpret a series of digits in the table reading 03495 96193 as 03, 49, 59, 61, 93.

Question 4

Starting at row 1, the first two-digit number to be randomly generated more than one time is .

Revolt · Accepted Answer

A: 31

Question 5

A consulting group has been hired to research new programs for a charity. The group is gathering research information and decides to randomly select four of the 12 board members to interview using a table of random digits. Which would be appropriate labeling designs? Check all that apply.0–300–1100–1201–0401–12

Revolt · Accepted Answer

B: 00–11; E: 01–12

Question 6

The four presidents that the students should choose are , , , and .

Revolt · Accepted Answer

B: Harry S. Truman

Question 7

The four presidents that the students should choose are , , , and .

Revolt · Accepted Answer

A: Andrew Jackson

Question 8

The four presidents that the students should choose are , , , and .

Revolt · Accepted Answer

C: Woodrow Wilson

Question 9

The four presidents that the students should choose are , , , and .

Revolt · Accepted Answer

C: Grover Cleveland

Simple Random Sample Answers

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