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 |
2366469 |
2460 |
- |
2436 |
= |
24 |
* |
(46 |
/ |
155)
|
= |
7.12258063 |
| 4 |
2366472 |
2484 |
- |
2485 |
= |
-1 |
* |
(48 |
/ |
155)
|
= |
-0.30967742 |
| 5 |
2366473 |
2512 |
- |
2528 |
= |
-16 |
* |
(61 |
/ |
155)
|
= |
-6.29677419 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Parker (Jean) Elementary
|
1 |
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 |
72296 |
2453 |
- |
2436 |
= |
17 |
* |
(42 |
/ |
141)
|
= |
5.06382978 |
| 4 |
72297 |
2488 |
- |
2485 |
= |
3 |
* |
(42 |
/ |
141)
|
= |
0.89361702 |
| 5 |
72299 |
2476 |
- |
2528 |
= |
-52 |
* |
(57 |
/ |
141)
|
= |
-21.02127659 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Parker (Jean) Elementary
|
-15 |
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 |
74270 |
2458 |
- |
2436 |
= |
22 |
* |
(38 |
/ |
116)
|
= |
7.20689653 |
| 4 |
74271 |
2506 |
- |
2485 |
= |
21 |
* |
(39 |
/ |
116)
|
= |
7.06034482 |
| 5 |
74273 |
2488 |
- |
2528 |
= |
-40 |
* |
(39 |
/ |
116)
|
= |
-13.44827584 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Parker (Jean) Elementary
|
1 |
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 |
74443 |
2431 |
- |
2436 |
= |
-5 |
* |
(34 |
/ |
110)
|
= |
-1.54545455 |
| 4 |
74446 |
2533 |
- |
2485 |
= |
48 |
* |
(38 |
/ |
110)
|
= |
16.58181816 |
| 5 |
74448 |
2502 |
- |
2528 |
= |
-26 |
* |
(38 |
/ |
110)
|
= |
-8.98181817 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Parker (Jean) Elementary
|
6 |
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 |
74967 |
2488 |
- |
2436 |
= |
52 |
* |
(43 |
/ |
119)
|
= |
18.78991592 |
| 4 |
74968 |
2474 |
- |
2485 |
= |
-11 |
* |
(38 |
/ |
119)
|
= |
-3.51260504 |
| 5 |
74969 |
2514 |
- |
2528 |
= |
-14 |
* |
(38 |
/ |
119)
|
= |
-4.47058823 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Parker (Jean) Elementary
|
11 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
1
|
-15
|
1
|
6
|
11
|
4.0 |
0.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 27.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -26.2
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:
