Exercise1: The data below lists the ages of 30 students admit to a hospital to check the blood pressure and sugar. Ages (Years) 10 20 40 50 60 f 4 7 8 3 2 Compute the following a) Mean, Median and Mode b) Standard Deviation and Variance Exercise2: The following scores represent the nurse's assessment X and a physician's assessment (Y) of the condition of 6 patients at time of admission to a Trauma center. 47 3 2 5 8 Y 76 4568 a) Compute the correlation coefficient between the variable X and Y, comment your answer. b) Obtain the Regression Equation and then predict the physician's assessment if nurse's assessment =10 Exercise3: Complete the following Frequency Table (Ages) CF True R.F. True Classes Classes 5.10 - 5.39 3 5.40 - 5.69 9. 5.70 - 5.99 18 6.00 - 6.29 25 6,30 - 6,59 29 6.60 – 6.89 37 6.90- 7.19 47 50 7.20 - 7.49 Total 50 Exercise4: From the Below: Group (1) 8 2 59 7 3 1 Group (2) 3 4 2 56 6 2 a) Which group more accurate reflection of the actual population mean b) compare the relative variability of the two sets. c) Use the data in group (1), Prove : E(x - x) = 0 d) Use the data in group (2), Find S(x - )2
Exercise1: The data below lists the ages of 30 students admit to a hospital to check the blood pressure and sugar. Ages (Years) 10 20 40 50 60 f 4 7 8 3 2 Compute the following a) Mean, Median and Mode b) Standard Deviation and Variance Exercise2: The following scores represent the nurse's assessment X and a physician's assessment (Y) of the condition of 6 patients at time of admission to a Trauma center. 47 3 2 5 8 Y 76 4568 a) Compute the correlation coefficient between the variable X and Y, comment your answer. b) Obtain the Regression Equation and then predict the physician's assessment if nurse's assessment =10 Exercise3: Complete the following Frequency Table (Ages) CF True R.F. True Classes Classes 5.10 - 5.39 3 5.40 - 5.69 9. 5.70 - 5.99 18 6.00 - 6.29 25 6,30 - 6,59 29 6.60 – 6.89 37 6.90- 7.19 47 50 7.20 - 7.49 Total 50 Exercise4: From the Below: Group (1) 8 2 59 7 3 1 Group (2) 3 4 2 56 6 2 a) Which group more accurate reflection of the actual population mean b) compare the relative variability of the two sets. c) Use the data in group (1), Prove : E(x - x) = 0 d) Use the data in group (2), Find S(x - )2
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:Exercise1: The data below lists the ages of 30 students admit to a hospital to check
the blood pressure and sugar.
Ages (Years) 10 20 30 40 50 60
f
4
8
6
3
2
Compute the following
a) Mean, Median and Mode
b) Standard Deviation and Variance
Exercise2: The following scores represent the nurse's assessment X and a
physician's assessment (Y) of the condition of 6 patients at time of admission to a
Trauma center.
X 4 7 3 2 5 8
Y 76 4 5 68
a) Compute the correlation coefficient between the variable X and Y, comment
your answer.
b) Obtain the Regression Equation and then predict the physician's assessment if
nurse's assessment =10
Exercise3: Complete the following Frequency Table
(Ages)
CF
True
R.F.
True Classes
Classes
5.10 - 5.39
3
5.40 – 5.69
9.
5.70 – 5.99
18
6.00 – 6.29
25
6.30 - 6.59
29
37
6.60 – 6.89
47
6.90 – 7.19
7.20 – 7.49
50
Total
50
Exercise4: From the Below:
Group (1) 8 2 5 97 3 1
Group (2) 3 4 256 6 2
a) Which group more accurate reflection of the actual population mean
b) compare the relative variability of the two sets.
c) Use the data in group (1), Prove : E(x - X) = 0
d) Use the data in group (2), Find E(x-x)?
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