2015
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
2247400 |
2418 |
- |
2436 |
= |
-18 |
* |
(39 |
/ |
122)
|
= |
-5.75409836 |
| 4 |
2247401 |
2480 |
- |
2485 |
= |
-5 |
* |
(46 |
/ |
122)
|
= |
-1.8852459 |
| 5 |
2247404 |
2528 |
- |
2528 |
= |
0 |
* |
(37 |
/ |
122)
|
= |
0.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Fletcher Elementary
|
-8 |
2016
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
68982 |
2454 |
- |
2436 |
= |
18 |
* |
(36 |
/ |
109)
|
= |
5.94495412 |
| 4 |
68984 |
2479 |
- |
2485 |
= |
-6 |
* |
(36 |
/ |
109)
|
= |
-1.98165137 |
| 5 |
68986 |
2521 |
- |
2528 |
= |
-7 |
* |
(37 |
/ |
109)
|
= |
-2.37614679 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Fletcher Elementary
|
2 |
2017
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
70814 |
2462 |
- |
2436 |
= |
26 |
* |
(31 |
/ |
94)
|
= |
8.57446808 |
| 4 |
70817 |
2517 |
- |
2485 |
= |
32 |
* |
(32 |
/ |
94)
|
= |
10.89361699 |
| 5 |
70818 |
2524 |
- |
2528 |
= |
-4 |
* |
(31 |
/ |
94)
|
= |
-1.31914894 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Fletcher Elementary
|
18 |
2018
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
70959 |
2468 |
- |
2436 |
= |
32 |
* |
(28 |
/ |
85)
|
= |
10.54117645 |
| 4 |
70962 |
2485 |
- |
2485 |
= |
0 |
* |
(28 |
/ |
85)
|
= |
0.0 |
| 5 |
70963 |
2541 |
- |
2528 |
= |
13 |
* |
(29 |
/ |
85)
|
= |
4.43529411 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Fletcher Elementary
|
15 |
2019
| Step 1 |
|
Step 2 |
|
Step 3 |
|
Get Mean Scale Score from line numbers in this
data file.
|
|
Subtract 'met min'
Scale Score.
from Mean Scale Score to get
Distance From Standard
|
|
Multiply Distance From Standard by
proportion of students in grade.
|
| Grade |
Line
number |
Mean
Scale
Score |
- |
Scale
Score:
met min |
= |
Distance
from
standard |
* |
(Students
tested
in grade |
/ |
Students)
tested
in
school |
= |
Weighted
Distance
From
Standard |
| 3 |
71447 |
2413 |
- |
2436 |
= |
-23 |
* |
(23 |
/ |
72)
|
= |
-7.34722221 |
| 4 |
71448 |
2522 |
- |
2485 |
= |
37 |
* |
(25 |
/ |
72)
|
= |
12.84722221 |
| 5 |
71449 |
2551 |
- |
2528 |
= |
23 |
* |
(24 |
/ |
72)
|
= |
7.66666666 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Fletcher Elementary
|
13 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-8
|
2
|
18
|
15
|
13
|
40.0 |
8.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 38.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -22.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
