f Class Interval fx cf (x - mean)^2 f(x - mean)^2 X- mean Frequency Class Mark 95-99 3 90-94 85-89 10 80-84 15 75-79 23 70-74 11 65-69 9 60-64 4 N = Efx = Ef(x - mean)^2 =_ The distribution of heart rates (in pulse/minute) of 80 random chosen or selected patients for clinical trials for a new anti-hypertensive is given above. What is the Ef(x - mean)^2 = O a. 5736.188 O b. 5637.188 Oc. 5673.188 O d. 5763.188

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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f
X
Class Interval
fx
cf
X- mean
(x - mean)^2
f(x - mean)^2
Frequency Class Mark
95-99
3
90-94
5
85-89
10
80-84
15
75-79
23
70-74
11
65-69
9.
60-64
4
N =
Efx =
Ef(x - mean)^2 =
The distribution of heart rates (in pulse/minute) of 80 random chosen or selected patients for clinical
trials for a new anti-hypertensive is given above.
What is the Ef(x - mean)^2 =
O a.
5736.188
O b. 5637.188
5673.188
O d. 5763.188
Transcribed Image Text:f X Class Interval fx cf X- mean (x - mean)^2 f(x - mean)^2 Frequency Class Mark 95-99 3 90-94 5 85-89 10 80-84 15 75-79 23 70-74 11 65-69 9. 60-64 4 N = Efx = Ef(x - mean)^2 = The distribution of heart rates (in pulse/minute) of 80 random chosen or selected patients for clinical trials for a new anti-hypertensive is given above. What is the Ef(x - mean)^2 = O a. 5736.188 O b. 5637.188 5673.188 O d. 5763.188
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