What features of the distribution in the histogram iet you know that modeling with a nornal distribution is reasonable? Model the simulations using a normal distribution with a mcan of 0.028 and a standard deviation of 1.124, What is the area under this nomal curve that is more extreme than 37

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Unit 4. Lesson 14: Using Normal Distributions for Exper.
Destry Orceu
Rescarchers are tagging sharks using two different types of devices and want to know if the devices affect the heart rate of tho sharks. They tag one aroup
of 8 sharks with a small device that collects a small amount of data and thoy tag another group of 8 sharks with a larger device that collects a large amount
of data. They then measure the mean heart rate of the different groups and find that the difference in means is 2.5 beats per minute.
Rescarchers run 1,000 simulations regrouping the data into 2 groups at random and record the differences in means for the groups in each simulation. The
histogram shows the differences in maans from the simulations. They determine that the mean of the differences of means from the simulations is 0.028
grams and the standard deviation for the differences of means from the simulations is 1.124 grams.
What features of the distribution in the histogram let you
know that modeling with a norrnal distribution is
reasonable?
50
45
40 +
35
30
25
20
15
Model the simulations using a rormal distribution with a
mean of 0.028 and a standard deviation of 1.124. What
is the area unider this nomal curve that is more extreme
than 3?
10
5
-2 -1 0 1 2
difference of means
-4
-3
3
4
Submland Explain
%23
6
9.
dcicte
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R
T
Y
A
D
G
K
s lock
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command
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Transcribed Image Text:T-Mobile Wi-Fi ? 1 9:55 AM • 36% Done 14 of 18 FOL FIL FLL M F O Update i studeri.desmas.comiactivitybuilider/student/8088bcoe08264d0cod3ee897#screentc-beabee6: a5ct-4575-a535-f32a107ab362 E Sian in P View Portrait Pro. O Nursing: Tracition. 6 Legin Sessien Exolration. b Seling Assotiwe. Car tetiny tho.. O Emeloymert Cemter Aups a ntourse Carncc. く 10 of 14 Next > Unit 4. Lesson 14: Using Normal Distributions for Exper. Destry Orceu Rescarchers are tagging sharks using two different types of devices and want to know if the devices affect the heart rate of tho sharks. They tag one aroup of 8 sharks with a small device that collects a small amount of data and thoy tag another group of 8 sharks with a larger device that collects a large amount of data. They then measure the mean heart rate of the different groups and find that the difference in means is 2.5 beats per minute. Rescarchers run 1,000 simulations regrouping the data into 2 groups at random and record the differences in means for the groups in each simulation. The histogram shows the differences in maans from the simulations. They determine that the mean of the differences of means from the simulations is 0.028 grams and the standard deviation for the differences of means from the simulations is 1.124 grams. What features of the distribution in the histogram let you know that modeling with a norrnal distribution is reasonable? 50 45 40 + 35 30 25 20 15 Model the simulations using a rormal distribution with a mean of 0.028 and a standard deviation of 1.124. What is the area unider this nomal curve that is more extreme than 3? 10 5 -2 -1 0 1 2 difference of means -4 -3 3 4 Submland Explain %23 6 9. dcicte E R T Y A D G K s lock retu C V B ontrol option command command option !!
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