Aeronautical researchers have developed three different processes to pack a parachute. They want to compare the different processes in terms of time to deploy and reliability. There are 1,200 objects that they can drop with a parachute from a plane. Using a table of random digits, the researchers will randomly place the 1,200 items into three equally sized treatment groups suitable for comparison.
Aeronautical researchers have developed three different processes to pack a parachute. They want to compare the different processes in terms of time to deploy and reliability. There are 1,200 objects that they can drop with a parachute from a plane. Using a table of random digits, the researchers will randomly place the 1,200 items into three equally sized treatment groups suitable for comparison.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Which design is the most appropriate for this
experiment?
Aeronautical researchers have developed three
different processes to pack a parachute. They want to
compare the different processes in terms of time to
deploy and reliability. There are 1,200 objects that
they can drop with a parachute from a plane. Using a
table of random digits, the researchers will randomly
place the 1,200 items into three equally sized
treatment groups suitable for comparison.
O Randomly number each item with 1, 2, or 3. Assign
the items labeled 1 to the process 1 group, assign
the items labeled 2 to the process 2 group, and
assign the items labeled 3 to the process 3 group.
O Number each item from 1 to 1,200. Reading from
left to right from a table of random digits, identify
800 unique numbers from 1 to 1,200. Assign the
items with labels in the first 400 numbers to the
process 1 group. Assign the items with labels in the
second 400 numbers to the process 2 group.
Assign the remaining items to the process 3 group.
O Number each item from 0000 to 1199. Reading
from left to right on a random number table, identify
800 unique four-digit numbers from 0000 to 1199.
Assign the items with labels.in the first 400
numbers to the process 1 group. Assign the items

Transcribed Image Text:second 400 numbers to the process 2 group.
Assign the remaining items to the process 3 group.
O Number each item from 0000 to 1199. Reading
from left to right on a random number table, identify
800 unique four-digit numbers from 0000 to 1199.
Assign the items with labels in the first 400
numbers to the process 1 group. Assign the items
with labels in the second 400 numbers tơ the
process 2 group. Assign the remaining items to the
pročess 3 group.
O Select an item, and identify the first digit reading
from left to right on a random number table. If the
first digit is a 1, 2, or 3, assign the item to the
process 1 group. If the first digit is a 4, 5, or 6,
assign the item to the process 2 group. If the first
digit is a 7, 8, or 9, assign the item to the process 3
group. If the first digit is a 0, skip that digit and
move to the next one to assign the item to a group.
Repeat this process for each item.
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