A biologist observes these data on number of positive COVID tests per day, for 5 consecutive weekdays starting with Monday, for three classrooms. X = Weekday A B C Monday 5 10 0 Tuesday 5 2.5 8 Wednesday 5 2.5 7 Thursday 20 15 28 Friday 28 24 35 Set up an ANOVA type model and test for the presence of a difference in infections across classrooms in the presence of weekday differences. Questions 1-10 refer to this page: 1. The design is unbalanced? 2. The design is balanced?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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help please just the even numbers

X
R
Bb 76570829
5
Os.content.blackboardcdn.com/5c1802599953e/76570829?X-Blackboard-Expiration=1671084000000&X-Blackboard-Sign...
T
G
X Bb 76419361
2/3 |
100% +1 A »
A biologist observes these data on number of positive COVID tests per day, for 5 consecutive
weekdays starting with Monday, for three classrooms.
6
Set up an ANOVA type model and test for the presence of a difference in infections across
classrooms in the presence of weekday differences.
Questions 1-10 refer to this page:
Y
X =
1. The design is unbalanced?
2. The design is balanced?
3. The null hypothesis of equal classroom infections is rejected via a two way ANOVA?
4. Compute the SST
5. Compute the SSTr for classroom differences
6. Compute the SSTr for the weekday differences
7. Compute the observed f statistic
8. The critical f statistic at a = .05 for these numerator and denominator degrees of
freedom is less than the observed f statistics from these data?
9. Fisher's LSD identifies which weekday pairs as unequal? (not just a T/F question)
10. The within classroom variances are unequal?
MacBook Pro
H
&
7
Weekday A B C
5 10 0
Monday
Tuesday
Wednesday
Thursday
Friday
5 2.5 8
5 2.5 7
20 15 28
28 24 35
U
+
8
I
K
9
O
0
L
B
P
✩✩
13
{
[
+ 11
0 R
O
14
Sho
}
Transcribed Image Text:X R Bb 76570829 5 Os.content.blackboardcdn.com/5c1802599953e/76570829?X-Blackboard-Expiration=1671084000000&X-Blackboard-Sign... T G X Bb 76419361 2/3 | 100% +1 A » A biologist observes these data on number of positive COVID tests per day, for 5 consecutive weekdays starting with Monday, for three classrooms. 6 Set up an ANOVA type model and test for the presence of a difference in infections across classrooms in the presence of weekday differences. Questions 1-10 refer to this page: Y X = 1. The design is unbalanced? 2. The design is balanced? 3. The null hypothesis of equal classroom infections is rejected via a two way ANOVA? 4. Compute the SST 5. Compute the SSTr for classroom differences 6. Compute the SSTr for the weekday differences 7. Compute the observed f statistic 8. The critical f statistic at a = .05 for these numerator and denominator degrees of freedom is less than the observed f statistics from these data? 9. Fisher's LSD identifies which weekday pairs as unequal? (not just a T/F question) 10. The within classroom variances are unequal? MacBook Pro H & 7 Weekday A B C 5 10 0 Monday Tuesday Wednesday Thursday Friday 5 2.5 8 5 2.5 7 20 15 28 28 24 35 U + 8 I K 9 O 0 L B P ✩✩ 13 { [ + 11 0 R O 14 Sho }
X
R
Bb 76570829
5
Os.content.blackboardcdn.com/5c1802599953e/76570829?X-Blackboard-Expiration=1671084000000&X-Blackboard-Sign...
T
G
X Bb 76419361
2/3 |
100% +1 A »
A biologist observes these data on number of positive COVID tests per day, for 5 consecutive
weekdays starting with Monday, for three classrooms.
6
Set up an ANOVA type model and test for the presence of a difference in infections across
classrooms in the presence of weekday differences.
Questions 1-10 refer to this page:
Y
X =
1. The design is unbalanced?
2. The design is balanced?
3. The null hypothesis of equal classroom infections is rejected via a two way ANOVA?
4. Compute the SST
5. Compute the SSTr for classroom differences
6. Compute the SSTr for the weekday differences
7. Compute the observed f statistic
8. The critical f statistic at a = .05 for these numerator and denominator degrees of
freedom is less than the observed f statistics from these data?
9. Fisher's LSD identifies which weekday pairs as unequal? (not just a T/F question)
10. The within classroom variances are unequal?
MacBook Pro
H
&
7
Weekday A B C
5 10 0
Monday
Tuesday
Wednesday
Thursday
Friday
5 2.5 8
5 2.5 7
20 15 28
28 24 35
U
+
8
I
K
9
O
0
L
B
P
✩✩
13
{
[
+ 11
0 R
O
14
Sho
}
Transcribed Image Text:X R Bb 76570829 5 Os.content.blackboardcdn.com/5c1802599953e/76570829?X-Blackboard-Expiration=1671084000000&X-Blackboard-Sign... T G X Bb 76419361 2/3 | 100% +1 A » A biologist observes these data on number of positive COVID tests per day, for 5 consecutive weekdays starting with Monday, for three classrooms. 6 Set up an ANOVA type model and test for the presence of a difference in infections across classrooms in the presence of weekday differences. Questions 1-10 refer to this page: Y X = 1. The design is unbalanced? 2. The design is balanced? 3. The null hypothesis of equal classroom infections is rejected via a two way ANOVA? 4. Compute the SST 5. Compute the SSTr for classroom differences 6. Compute the SSTr for the weekday differences 7. Compute the observed f statistic 8. The critical f statistic at a = .05 for these numerator and denominator degrees of freedom is less than the observed f statistics from these data? 9. Fisher's LSD identifies which weekday pairs as unequal? (not just a T/F question) 10. The within classroom variances are unequal? MacBook Pro H & 7 Weekday A B C 5 10 0 Monday Tuesday Wednesday Thursday Friday 5 2.5 8 5 2.5 7 20 15 28 28 24 35 U + 8 I K 9 O 0 L B P ✩✩ 13 { [ + 11 0 R O 14 Sho }
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