Variable Coefficient of Variation HtGrp1 52 HtGrp2 49 HtGrp3

Variable

Coefficient of Variation

Ht_Grp_1

5.2

Ht_Grp_2

4.9

Ht_Grp_3

6.8

Wt_Grp_1

10.3

Wt_Grp_2

11.1

Wt_Grp_3

12.5

Age_Grp_1

4.9

Age_Grp_2

4.9

Age_Grp_3

6.9

Group_1 Surv

109.4

Group_2 Surv

107.5

Group_3 Surv

117.6

Systolic BP_1_Grp1

8.1

Diastolic_1_Grp_1

6.1

Mean BP_1_Grp_1

5.8

Systolic BP_2_Grp1

6.9

Diastolic_2_Grp_1

3.3

Mean BP_2_Grp_1

3.4

Systolic BP_1_Grp2

7.8

Diastolic_1_Grp2

6.8

Mean BP_1_Grp2

4.8

Systolic BP_2_Grp2

7.1

Diastolic_2_Grp2

3.6

Mean BP_2_Grp2

3.4

Systolic BP_1_Grp3

8

Diastolic_1_Grp3

5.8

Mean BP_1_Grp3

5.5

Systolic BP_2_Grp3

5.5

Diastolic_2_Grp3

3.2

Mean BP_2_Grp3

4.9

Based on the coefficient of variation—which of the 18 blood pressure measures has the least variation?

Variable	Coefficient of Variation
Ht_Grp_1	5.2
Ht_Grp_2	4.9
Ht_Grp_3	6.8
Wt_Grp_1	10.3
Wt_Grp_2	11.1
Wt_Grp_3	12.5
Age_Grp_1	4.9
Age_Grp_2	4.9
Age_Grp_3	6.9
Group_1 Surv	109.4
Group_2 Surv	107.5
Group_3 Surv	117.6
Systolic BP_1_Grp1	8.1
Diastolic_1_Grp_1	6.1
Mean BP_1_Grp_1	5.8
Systolic BP_2_Grp1	6.9
Diastolic_2_Grp_1	3.3
Mean BP_2_Grp_1	3.4
Systolic BP_1_Grp2	7.8
Diastolic_1_Grp2	6.8
Mean BP_1_Grp2	4.8
Systolic BP_2_Grp2	7.1
Diastolic_2_Grp2	3.6
Mean BP_2_Grp2	3.4
Systolic BP_1_Grp3	8
Diastolic_1_Grp3	5.8
Mean BP_1_Grp3	5.5
Systolic BP_2_Grp3	5.5
Diastolic_2_Grp3	3.2
Mean BP_2_Grp3	4.9

Solution

the blood pressure measures that has the coefficient of variation more lower that will be Diastolic_2_Grp3 because has a coefficient of variation of 3.2%