PERFORMANCE TASK Complete the table then answer what is asked. Ages of Teachers in Zambales National High School Class Interval Frequency (f) Class Mark | Midpoint (x) Lower fx

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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PERFORMANCE TASK
Complete the table then answer what is asked.
Ages of Teachers in Zambales National High School
Class Mark
| Midpoint
_(x)
Class
Frequency
(f)
Lower
Interval
fx
<cf
Boundaries
(x -x) |(x-x)2²
f( x - x )2
61 – 65
2
56 – 60
51 - 55
12
46 – 50
14
41 – 55
18
36 – 40
11
31 - 35
15
26 – 30
13
21 - 25
10
i =
n =
E(f(x – x)²=
Using the appropriate formulas, compute for the following:
1. Mean
2. Median
3. Mode
4. Variance
5. Standard Deviation
Transcribed Image Text:PERFORMANCE TASK Complete the table then answer what is asked. Ages of Teachers in Zambales National High School Class Mark | Midpoint _(x) Class Frequency (f) Lower Interval fx <cf Boundaries (x -x) |(x-x)2² f( x - x )2 61 – 65 2 56 – 60 51 - 55 12 46 – 50 14 41 – 55 18 36 – 40 11 31 - 35 15 26 – 30 13 21 - 25 10 i = n = E(f(x – x)²= Using the appropriate formulas, compute for the following: 1. Mean 2. Median 3. Mode 4. Variance 5. Standard Deviation
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