1. Report the number of hours you spent looking at a device last week and the date for each. (If the number of hours you spent looking at a device is exactly the same for each day last week, please change two of the numbers just so there is some variability among the scores, and indicate which scores you changed in this way.) 7,7.11, 7.103(10/12 -10/16)N= 5 2. Compute the mean of the number of hours you spent looking at a device in (1) above. 3. Compute the variance of the number of hours you spent looking at a device in (1) above. 4. Compute the standard deviation of the number of hours you spent looking at a device in (1) above. 5. Compute the z-scores for each of the original N=5 scores in (1) above. nhb snieteo to equo to orit S orlg s Js pnilool Inege uoy enuor to 1edmun e abeno 26-llema (sle

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 27T
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Mean, variance, standard deviation, & z-scores: {5, 7, 7, 5, 5} {7, 7, 11, 7, 10} N=5
1. Report the number of hours you spent looking at a device last week and the H
date for each. (If the number of hours you spent looking at a device is exactly
the same for each day last week, please change two of the numbers just so
there is some variability among the scores, and indicate which scores you
changed in this way.)
2. Compute the mean of the number of hours you spent looking at a device in
(1) above.
3. Compute the variance of the number of hours you spent looking at a device in
ole (1) above. elugmo
4. Compute the standard deviation of the number of hours you spent looking at a
device in (1) above.
5. Compute the z-scores for each of the original N=5 scores in (1) above.
7,7,11, 7, 10{ (10/12-10/1iG)N=5
equo to 1edmun orit S
(ete
agidsnav ow E Nool
Transcribed Image Text:1. Report the number of hours you spent looking at a device last week and the H date for each. (If the number of hours you spent looking at a device is exactly the same for each day last week, please change two of the numbers just so there is some variability among the scores, and indicate which scores you changed in this way.) 2. Compute the mean of the number of hours you spent looking at a device in (1) above. 3. Compute the variance of the number of hours you spent looking at a device in ole (1) above. elugmo 4. Compute the standard deviation of the number of hours you spent looking at a device in (1) above. 5. Compute the z-scores for each of the original N=5 scores in (1) above. 7,7,11, 7, 10{ (10/12-10/1iG)N=5 equo to 1edmun orit S (ete agidsnav ow E Nool
Let's start by doing this for the number of hours of sleep you got last week from
Monday, October 12 through Friday, October 16 (N=5):
(1)
1. Report the number of hours of sleep you got last week and the date for each.
(If you slept the same number of hours for each of these nights, please
change one of the numbers just so there is some variability among the
scores, and indicate which number you changed in this way.)
2. Compute the mean of the number of hours of sleep you got in (1) above.
3. Compute the variance of the number of hours of sleep you got in (1) above.
4. Compute the standard deviation of the number of hours of sleep you got in (1)
5
above.
5. Compute the z-scores for each of the original N=5 scores in (1) above.
wel a bbs nsdh
iXB V erli no OD of qu vew eri lie op of eve0inob
Transcribed Image Text:Let's start by doing this for the number of hours of sleep you got last week from Monday, October 12 through Friday, October 16 (N=5): (1) 1. Report the number of hours of sleep you got last week and the date for each. (If you slept the same number of hours for each of these nights, please change one of the numbers just so there is some variability among the scores, and indicate which number you changed in this way.) 2. Compute the mean of the number of hours of sleep you got in (1) above. 3. Compute the variance of the number of hours of sleep you got in (1) above. 4. Compute the standard deviation of the number of hours of sleep you got in (1) 5 above. 5. Compute the z-scores for each of the original N=5 scores in (1) above. wel a bbs nsdh iXB V erli no OD of qu vew eri lie op of eve0inob
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