1. Which of the following is(are) example(s) of an experimental research? A study took a random sample of adults and asked them about their morning routines. The data showed that adults who do not use theirmobile devices for more than ten minutes immediately, after waking up are more likely to have a more productive morning 1. than those who do. To evaluate the four most popular productivity techniques, researchers randomly assigned students into four groups; each group was assigned to strictly follow one of the four productivity techniques for the entire school term. The grades of the students were compared after. I. A. I only B. Il only C. Both I and II D. Neither I nor Il| ********* For Numbers 2 to 5: In a fish feeding trial, it is of interest to benchmark four different aquatic feeds (F1, F2, F3, F4) in terms of their effects on the body weight of fish. Twenty 120-L homogenous fish tanks placed in a laboratory were considered in the experiment. Five tanks were randomly assigned to each of the four feeds. A total of 120 homogenous tilapia from the same breeding line were equally assigned to each of the 20 tanks (i.e., 1 tank = 6 tilapia). The initial body weight of each tilapia was measured and the change in body weight after 28 days was obtained. 2. The experimental unit and the sampling unit in the experiment are and
1. Which of the following is(are) example(s) of an experimental research? A study took a random sample of adults and asked them about their morning routines. The data showed that adults who do not use theirmobile devices for more than ten minutes immediately, after waking up are more likely to have a more productive morning 1. than those who do. To evaluate the four most popular productivity techniques, researchers randomly assigned students into four groups; each group was assigned to strictly follow one of the four productivity techniques for the entire school term. The grades of the students were compared after. I. A. I only B. Il only C. Both I and II D. Neither I nor Il| ********* For Numbers 2 to 5: In a fish feeding trial, it is of interest to benchmark four different aquatic feeds (F1, F2, F3, F4) in terms of their effects on the body weight of fish. Twenty 120-L homogenous fish tanks placed in a laboratory were considered in the experiment. Five tanks were randomly assigned to each of the four feeds. A total of 120 homogenous tilapia from the same breeding line were equally assigned to each of the 20 tanks (i.e., 1 tank = 6 tilapia). The initial body weight of each tilapia was measured and the change in body weight after 28 days was obtained. 2. The experimental unit and the sampling unit in the experiment are and
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:1. Which of the following is(are) example(s) of an experimental research?
1.
A study took a random sample of adults and asked them about their morning routines.
The data showed that adults who do not use their mobile devices for more than ten
minutes immediately after waking up are more likely to have a more productive morning
than those who do.
[C
To evaluate the four most popular productivity techniques, researchers randomly
assigned students into four groups; each group was assigned to strictly follow one of the
four productivity techniques for the entire school term. The grades of the students were
I.
compared after.
A. Tonly
B. Il only
C. Both I and II
D. Neither I nor I|
For Numbers 2 to 5: In a fish feeding trial, it is of interest to benchmark four different aquatic feeds
(F1, F2, F3, F4) in terms of their effects on the body weight of fish. Twenty 120-L homogenous fish
tanks placed in a laboratory were considered in the experiment. Five tanks were randomly assigned
to each of the four feeds. A total of 120 homogenous tilapia from the same breeding line were
6 tilapia). The initial body weight of each
equally assigned to each of the 20 tanks (i.e., 1 tank =
tilapia was measured and the change in body weight after 28 days was obtained.
2. The experimental unit and the sampling unit in the experiment are
and
respectively.
A. aquatic feed; body weight
B. aquatic feed; fish tank
C. fish tank; fish tank
D. fish tank; tilapia
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