The change in heart rate in a group of patients was reported as 10.95 ± 9.21.A patient who had a change in heart rate score of 23 is how many SD from the mean?
A) 1 SD
B) 2 SD
C) 3 SD
D) 4 SD

Question

Quizplus · Accepted Answer

Correct A: 1 SD is correct; add 10.95 plus 1 SD (9.21),and the Answerwer is 20.16; 23 is closest to 1 SD.
Incorrect B: 1 SD is correct; add 10.95 plus 1 SD (9.21),and the Answerwer is 20.16; 23 is closest to 1 SD.
Incorrect C: 1 SD is correct; add 10.95 plus 1 SD (9.21),and the Answerwer is 20.16; 23 is closest to 1 SD.
Incorrect D: 1 SD is correct; add 10.95 plus 1 SD (9.21),and the Answerwer is 20.16; 23 is closest to 1 SD.

The Change in Heart Rate in a Group of Patients