(d) Use the graphs to roughly estimate the standard error if we use this sample mean to estimate hippocampal volume. There are 500 samples in the bootstrap distribution. Round your answer to the nearest integer. Standard error i eTextbook and Media (e) Does the standard deviation of the original data appear to be larger or smaller than the standard error? O Smaller O Larger eTextbook and Media (f) Use the estimated mean and the estimated standard error to find a rough 95% confidence interval for the mean hippocampal volume. Round your answers to the nearest integer. The interval is i to i

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Please answer the questions carefully to get the correct answers with the same passage on Brain Hippocampal.

Brain Hippocampal Size
A recent study¹ examined the relationship between football playing and hippocampal volume, in µL, in the brain. We use the n = 25
participants in the control group to estimate average brain hippocampus volume for all non-football playing people. Use the dotplots
in the figure below to answer the following questions.
0
00
6000 6500 7000 7500 8000 8500 9000 9500 10000
O
Dotplot I
0 0x0
7000
7200
7400
7600
Dotplot II
7800
8000
8200
¹Singh R, et al., "Relationship of Collegiate Football Experience and Concussion with Hippocampal Volume and Cognitive Outcomes",
JAMA, 311(18), 2014. Data values are estimated from information in the paper.
Transcribed Image Text:Brain Hippocampal Size A recent study¹ examined the relationship between football playing and hippocampal volume, in µL, in the brain. We use the n = 25 participants in the control group to estimate average brain hippocampus volume for all non-football playing people. Use the dotplots in the figure below to answer the following questions. 0 00 6000 6500 7000 7500 8000 8500 9000 9500 10000 O Dotplot I 0 0x0 7000 7200 7400 7600 Dotplot II 7800 8000 8200 ¹Singh R, et al., "Relationship of Collegiate Football Experience and Concussion with Hippocampal Volume and Cognitive Outcomes", JAMA, 311(18), 2014. Data values are estimated from information in the paper.
(d) Use the graphs to roughly estimate the standard error if we use this sample mean to estimate hippocampal volume. There are
500 samples in the bootstrap distribution.
Round your answer to the nearest integer.
Standard error
eTextbook and Media
(e) Does the standard deviation of the original data appear to be larger or smaller than the standard error?
Smaller
O Larger
eTextbook and Media
(f) Use the estimated mean and the estimated standard error to find a rough 95% confidence interval for the mean hippocampal
volume.
Round your answers to the nearest integer.
The interval is i
to i
Transcribed Image Text:(d) Use the graphs to roughly estimate the standard error if we use this sample mean to estimate hippocampal volume. There are 500 samples in the bootstrap distribution. Round your answer to the nearest integer. Standard error eTextbook and Media (e) Does the standard deviation of the original data appear to be larger or smaller than the standard error? Smaller O Larger eTextbook and Media (f) Use the estimated mean and the estimated standard error to find a rough 95% confidence interval for the mean hippocampal volume. Round your answers to the nearest integer. The interval is i to i
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