Read and Understand Annabeth wants to find out the severity of ADHD symptoms of her fellow teenagers in their summer camp for special children. She enlists the help of her friends to gather data from 100 campers for her experimental group, and 100 other teenagers for her control group. For her experimental group, she found the following values: m = 4.4; SD = 0.3; variance = 0.09 For her control group, she found the following values: m = 1.5; SD = 0.5; variance = 0.25 Which of the following would be a correct statement for Annabeth to put in her discussion? "Judging by the mean, on average the scores in the experimental group seem to be both higher and more tightly grouped than scores in the control group. However, this must be confirmed with inferential statistics." "Both datasets follow roughly the same O distribution, given the ratio of their SDs to their respective means." Both statements Neither statement Based on the text above, which of the following statements is, WITHOUT DOUBT, absolutely correct While Annabeth could have gathered data from all the campers, gathering data from 100 people is more than enough Without inferential statistics, one can still conclude that the scores of the experimental group is significantly higher than that of the control. The "shape" of the two datasets will differ These descriptive statistics are enough to fulfill Annabeth's objectives Which of the values Annabeth calculated above would she need to discuss first in order to proceed to inferential statistics? The mean values of the two groups The standard deviation and variance of the two groups Both of the above None of the above
Read and Understand Annabeth wants to find out the severity of ADHD symptoms of her fellow teenagers in their summer camp for special children. She enlists the help of her friends to gather data from 100 campers for her experimental group, and 100 other teenagers for her control group. For her experimental group, she found the following values: m = 4.4; SD = 0.3; variance = 0.09 For her control group, she found the following values: m = 1.5; SD = 0.5; variance = 0.25 Which of the following would be a correct statement for Annabeth to put in her discussion? "Judging by the mean, on average the scores in the experimental group seem to be both higher and more tightly grouped than scores in the control group. However, this must be confirmed with inferential statistics." "Both datasets follow roughly the same O distribution, given the ratio of their SDs to their respective means." Both statements Neither statement Based on the text above, which of the following statements is, WITHOUT DOUBT, absolutely correct While Annabeth could have gathered data from all the campers, gathering data from 100 people is more than enough Without inferential statistics, one can still conclude that the scores of the experimental group is significantly higher than that of the control. The "shape" of the two datasets will differ These descriptive statistics are enough to fulfill Annabeth's objectives Which of the values Annabeth calculated above would she need to discuss first in order to proceed to inferential statistics? The mean values of the two groups The standard deviation and variance of the two groups Both of the above None of the above
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:Read and Understand
Annabeth wants to find out the severity of ADHD
symptoms of her fellow teenagers in their summer
camp for special children. She enlists the help of
her friends to gather data from 100 campers for
her experimental group, and 100 other teenagers
for her control group.
For her experimental group, she found the
following values:
m = 4.4; SD = 0.3; variance = 0.09
For her control group, she found the following
values:
m = 1.5; SD = 0.5; variance = 0.25
Which of the following would be a
correct statement for Annabeth to put
in her discussion?
O
"Judging by the mean, on average the
scores in the experimental group seem to
be both higher and more tightly grouped
than scores in the control group. However,
this must be confirmed with inferential
statistics."
O
"Both datasets follow roughly the same
distribution, given the ratio of their SDs to
their respective means."
O
Both statements
Based on the text above, which of the
following statements is, WITHOUT
DOUBT, absolutely correct
Neither statement
While Annabeth could have gathered data
O from all the campers, gathering data from
100 people is more than enough
Without inferential statistics, one can still
conclude that the scores of the
experimental group is significantly higher
than that of the control.
The "shape" of the two datasets will differ
These descriptive statistics are enough to
fulfill Annabeth's objectives
Which of the values Annabeth
calculated above would she need to
discuss first in order to proceed to
inferential statistics?
O The mean values of the two groups
The standard deviation and variance of the
two groups
Both of the above
O None of the above
14
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