Class Interval fx cf X- mean (x - mean)^2 f(x - mean)^2 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 %3D 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 value of E fx= O a. 6526 O b. 6265 O c. 6256 O d. 6562
Class Interval fx cf X- mean (x - mean)^2 f(x - mean)^2 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 %3D 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 value of E fx= O a. 6526 O b. 6265 O c. 6256 O d. 6562
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 31PPS
Related questions
Question
![f
Class Interval
fx
cf
X- mean
(x - mean)^2
f(x - mean)^2
Frequency Class Mark
95-99
3
90-94
85-89
10
80-84
15
75-79
23
70-74
11
65-69
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 value of Efx=
O a.
6526
Ob.
6265
Oc.
6256
O d. 6562](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc10024b8-14c5-43a1-bbfd-6b9515c95e74%2Fd3c025f3-72d0-46f2-a005-024cd1e09eb1%2F62htvwh_processed.png&w=3840&q=75)
Transcribed Image Text:f
Class Interval
fx
cf
X- mean
(x - mean)^2
f(x - mean)^2
Frequency Class Mark
95-99
3
90-94
85-89
10
80-84
15
75-79
23
70-74
11
65-69
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 value of Efx=
O a.
6526
Ob.
6265
Oc.
6256
O d. 6562
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