estion Herp In Olympic running events, preliminary heats are determined by random draw, so we should expect the ability level of runners in the various heats to be about the same, on average. The accompanying table gives the times (in seconds) for the 800-m men's run in the 2012 Olympics in London for preliminary heats 3 and 5. Is there any evidence that the mean time to finish is different for randomized heats? Explain. Be sure to include a discussion of assumptions and conditions for you analysis. E Click the icon to view the table of running times for heats 3 and 5. Conduct a hypothesis test to test whether the mean time to finish is different for randomized heats. Note that py and us are the popula O Running Times (in seconds) Identify the null and alternative hypotheses. Choose the correct answer below. Ho: H3 -Hs 0 HA H3- Hs *0 Country SUD B. Ho Name Но HA Time Нeat Abubaker Kaki Timothy Kitum Abdulaziz Mohammed Andy Gonzalez Gareth Warburton Tamas Kazi Soren Ludolph Amold Sorina Hamada Mohamed 105.5 3. KEN OC. Ho: Ha-Hs 0 105.7 106.1 KSA D. Ho HA 3 HA 3- Hs 0 CUB GBR 106.2 107 107.1 108.6 114.3 3. 3 HUN GER VAN EGY IRI ESP JPN GBR MLI NCA Discuss the assumptions and conditions for the analysis. Select all that apply. DA The Randomization Condition is violated because there is evidence that the draws were not random. 3. 5 108.1 108.2 108.3 108.5 109.1 111.4 119 Sajad Moradi Kevin Lopez Masato Yokota B. The Independent Groups Assumption is violated because there is evidence that the results in one group affected the results in t Yc. The Nearly Normal Condition is violated because histograms and box plots show that the data are skewed. DO All of the assumptions and conditions are satisfied. 5. 5. Michael Rimmer Moussa Camara Edgar Cortez Determine the test statistic, t. t=0.23 (Round to two decimal places as needed.) Print Done
estion Herp In Olympic running events, preliminary heats are determined by random draw, so we should expect the ability level of runners in the various heats to be about the same, on average. The accompanying table gives the times (in seconds) for the 800-m men's run in the 2012 Olympics in London for preliminary heats 3 and 5. Is there any evidence that the mean time to finish is different for randomized heats? Explain. Be sure to include a discussion of assumptions and conditions for you analysis. E Click the icon to view the table of running times for heats 3 and 5. Conduct a hypothesis test to test whether the mean time to finish is different for randomized heats. Note that py and us are the popula O Running Times (in seconds) Identify the null and alternative hypotheses. Choose the correct answer below. Ho: H3 -Hs 0 HA H3- Hs *0 Country SUD B. Ho Name Но HA Time Нeat Abubaker Kaki Timothy Kitum Abdulaziz Mohammed Andy Gonzalez Gareth Warburton Tamas Kazi Soren Ludolph Amold Sorina Hamada Mohamed 105.5 3. KEN OC. Ho: Ha-Hs 0 105.7 106.1 KSA D. Ho HA 3 HA 3- Hs 0 CUB GBR 106.2 107 107.1 108.6 114.3 3. 3 HUN GER VAN EGY IRI ESP JPN GBR MLI NCA Discuss the assumptions and conditions for the analysis. Select all that apply. DA The Randomization Condition is violated because there is evidence that the draws were not random. 3. 5 108.1 108.2 108.3 108.5 109.1 111.4 119 Sajad Moradi Kevin Lopez Masato Yokota B. The Independent Groups Assumption is violated because there is evidence that the results in one group affected the results in t Yc. The Nearly Normal Condition is violated because histograms and box plots show that the data are skewed. DO All of the assumptions and conditions are satisfied. 5. 5. Michael Rimmer Moussa Camara Edgar Cortez Determine the test statistic, t. t=0.23 (Round to two decimal places as needed.) Print Done
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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In Olympic running events, preliminary heats are determined by random draw, so we should expect the ability level of runners in the various heats to be about the same, on average. The accompanying table gives the times (in seconds) for the
800-m men's run in the 2012 Olympics in London for preliminary heats 3 and 5. Is there any evidence that the mean time to finish is different for randomized heats? Explain. Be sure to include a discussion of assumptions and conditions for your
analysis.
A Click the icon to view the table of running times for heats 3 and 5.
Conduct a hypothesis test to test whether the mean time to finish is different for randomized heats. Note that ua and us are the popula
Running Times (In secopds)
Identify the null and alternative hypotheses. Choose the correct answer below.
A. Ho: H3-Hs =0
HA: H3 - H5 #0
B. Ho:
Country
SUD
Name
Time
105.5
Heat
Abubaker Kaki
3
HA
KEN
KSA
CUB
Timothy Kitum
Abdulaziz Mohammed
Andy Gonzalez
Gareth Warburton
Tamas Kazi
Soren Ludolph
Arnold Sorina
Hamada Mohamed
Sajad Moradi
Kevin Lopez
Masato Yokota
Michael Rimmer
Moussa Camara
105.7
3
OC. Ho: H3 - Hs #0
OD. Ho:
106.1
HA: H3 - Hs = 0
106.2
3
HA
GBR
HUN
GER
107
3
107.1
3
Discuss the assumptions and conditions for the analysis. Select all that apply.
108.6
114.3
108.1
108.2
108.3
108.5
109.1
3
VAN
DA The Randomization Condition is violated because there is evidence that the draws were not random.
EGY
IRI
The Independent Groups Assumption is violated because there is evidence that the results in one group affected the results in t
YC. The Nearly Normal Condition is violated because histograms and box plots show that the data are skewed.
ESP
JPN
GBR
All of the assumptions and conditions are satisfied.
MLI
111.4
NCA
Edgar Cortez
119
Determine the test statistic, t.
t=0.23 (Round to two decimal places as needed.)
Print
Done
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