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 |
2239476 |
2430 |
- |
2436 |
= |
-6 |
* |
(93 |
/ |
255)
|
= |
-2.18823529 |
| 4 |
2239479 |
2493 |
- |
2485 |
= |
8 |
* |
(84 |
/ |
255)
|
= |
2.63529411 |
| 5 |
2239480 |
2529 |
- |
2528 |
= |
1 |
* |
(78 |
/ |
255)
|
= |
0.30588235 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Angier 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 |
68748 |
2430 |
- |
2436 |
= |
-6 |
* |
(85 |
/ |
238)
|
= |
-2.14285714 |
| 4 |
68749 |
2468 |
- |
2485 |
= |
-17 |
* |
(78 |
/ |
238)
|
= |
-5.57142856 |
| 5 |
68752 |
2547 |
- |
2528 |
= |
19 |
* |
(75 |
/ |
238)
|
= |
5.98739495 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Angier 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 |
70580 |
2443 |
- |
2436 |
= |
7 |
* |
(66 |
/ |
216)
|
= |
2.13888889 |
| 4 |
70582 |
2474 |
- |
2485 |
= |
-11 |
* |
(82 |
/ |
216)
|
= |
-4.17592592 |
| 5 |
70585 |
2549 |
- |
2528 |
= |
21 |
* |
(68 |
/ |
216)
|
= |
6.61111109 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Angier Elementary
|
5 |
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 |
70727 |
2435 |
- |
2436 |
= |
-1 |
* |
(71 |
/ |
203)
|
= |
-0.34975369 |
| 4 |
70729 |
2495 |
- |
2485 |
= |
10 |
* |
(59 |
/ |
203)
|
= |
2.90640394 |
| 5 |
70731 |
2552 |
- |
2528 |
= |
24 |
* |
(73 |
/ |
203)
|
= |
8.63054186 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Angier Elementary
|
11 |
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 |
71215 |
2449 |
- |
2436 |
= |
13 |
* |
(71 |
/ |
195)
|
= |
4.73333333 |
| 4 |
71216 |
2484 |
- |
2485 |
= |
-1 |
* |
(66 |
/ |
195)
|
= |
-0.33846154 |
| 5 |
71217 |
2529 |
- |
2528 |
= |
1 |
* |
(58 |
/ |
195)
|
= |
0.2974359 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Angier Elementary
|
5 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
1
|
-2
|
5
|
11
|
5
|
20.0 |
4.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 16.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -8.0
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:
