In an experiment, students were given words to memorize, then were randomly assigned to take a 90 minute nap or take a caffeine pill. They were then tested on their recall ability. We test to see if the sample provides evidence that there is a difference in mean number of words people can recall depending on whether they take a nap or have some caffeine. The hypotheses are: Ho: Ps= Pc VS Ha: sc. The sample statistic is sc = 3.0. Use the randomization distribution to find the p-value. Randomization Dotplot of 1-2; Null hypothesis ₁ = ₂ Left Tail Two-Tail Right Tail #samples-1000 mean-0.021 st.dev.- 1.499 50 40 30 20 10 -4 0.022 -3.000 -2 -1 0.956 -0.021 1 2 0.022 3.000 4
In an experiment, students were given words to memorize, then were randomly assigned to take a 90 minute nap or take a caffeine pill. They were then tested on their recall ability. We test to see if the sample provides evidence that there is a difference in mean number of words people can recall depending on whether they take a nap or have some caffeine. The hypotheses are: Ho: Ps= Pc VS Ha: sc. The sample statistic is sc = 3.0. Use the randomization distribution to find the p-value. Randomization Dotplot of 1-2; Null hypothesis ₁ = ₂ Left Tail Two-Tail Right Tail #samples-1000 mean-0.021 st.dev.- 1.499 50 40 30 20 10 -4 0.022 -3.000 -2 -1 0.956 -0.021 1 2 0.022 3.000 4
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:In an experiment, students were given words to memorize, then were randomly assigned to take a
90 minute nap or take a caffeine pill. They were then tested on their recall ability. We test to see if
the sample provides evidence that there is a difference in mean number of words people can recall
depending on whether they take a nap or have some caffeine. The hypotheses are:
Ho : μs = με
The sample statistic is sc = 3.0. Use the randomization distribution to find the p-value.
Randomization Dotplot of 1-2; Null hypothesis 1₂
Left Tail✔ Two-Tail Right Tail
50
40
30
20
10
0.022
-3.000
-2
-1
VS Ha: μs pc.
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
0.956
-0.021
1
2
#samples-1000
mean-0.021
st.dev.- 1.499
0.022
3.000
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