A study by Poole(2014),investigated the relationship between social economic determinants and levels of socio economic depression. They measured the severity of depression with the Patient Health Questionare(PHQ-9). They compared the severity of the depression for 3 community gruops .One group came from a high depression community ,one from medium,one from low. Deprivation is meaasured with Index of Multiple Deprivation.(IMD), The IMD scores were used to determine the 3 types of communities(high,medium, low). Based on the data given below are there any signifcant differences between the groups, and if so which groups are different?. Assume (alpha=0.05). HIGH MEDIUM LOW 18 14 9 11 8 6 10 7 7 22 19 18 24 20 14 19 16 15 15 11 7 25 18 16 22 19 17 14 12 Use the following table to summarize the result SOURCE SS MS DF F Between SSbt MSbt DFbt Fobt= Within SSwh MSwh DFwh Total SStotal where SS=sum of squares MS = mean squares bt= between wh =within Fobt = calculated value of F
A study by Poole(2014),investigated the relationship between social economic determinants and levels of socio economic depression. They measured the severity of depression with the Patient
Health Questionare(PHQ-9). They compared the severity of the depression for 3 community gruops
.One group came from a high depression community ,one from medium,one from low. Deprivation
is meaasured with Index of Multiple Deprivation.(IMD), The IMD scores were used to determine the
3 types of communities(high,medium, low). Based on the data given below are there any signifcant
differences between the groups, and if so which groups are different?. Assume (alpha=0.05).
HIGH MEDIUM LOW
18 14 9
11 8 6
10 7 7
22 19 18
24 20 14
19 16 15
15 11 7
25 18 16
22 19 17
14 12
Use the following table to summarize the result
SOURCE SS MS DF F
Between SSbt MSbt DFbt Fobt=
Within SSwh MSwh DFwh
Total SStotal
where SS=sum of squares
MS = mean squares
bt= between
wh =within
Fobt = calculated value of F
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