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 |
922770 |
2429 |
- |
2436 |
= |
-7 |
* |
(60 |
/ |
179)
|
= |
-2.34636871 |
| 4 |
922771 |
2488 |
- |
2485 |
= |
3 |
* |
(64 |
/ |
179)
|
= |
1.0726257 |
| 5 |
922774 |
2497 |
- |
2528 |
= |
-31 |
* |
(55 |
/ |
179)
|
= |
-9.52513964 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Lemay Street Elementary
|
-11 |
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 |
29171 |
2454 |
- |
2436 |
= |
18 |
* |
(69 |
/ |
190)
|
= |
6.53684209 |
| 4 |
29173 |
2457 |
- |
2485 |
= |
-28 |
* |
(54 |
/ |
190)
|
= |
-7.95789473 |
| 5 |
29175 |
2497 |
- |
2528 |
= |
-31 |
* |
(67 |
/ |
190)
|
= |
-10.93157892 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Lemay Street Elementary
|
-12 |
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 |
29735 |
2436 |
- |
2436 |
= |
0 |
* |
(66 |
/ |
185)
|
= |
0.0 |
| 4 |
29737 |
2494 |
- |
2485 |
= |
9 |
* |
(61 |
/ |
185)
|
= |
2.96756756 |
| 5 |
29740 |
2484 |
- |
2528 |
= |
-44 |
* |
(58 |
/ |
185)
|
= |
-13.79459457 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Lemay Street Elementary
|
-11 |
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 |
29785 |
2419 |
- |
2436 |
= |
-17 |
* |
(65 |
/ |
184)
|
= |
-6.00543477 |
| 4 |
29787 |
2476 |
- |
2485 |
= |
-9 |
* |
(61 |
/ |
184)
|
= |
-2.98369565 |
| 5 |
29789 |
2506 |
- |
2528 |
= |
-22 |
* |
(58 |
/ |
184)
|
= |
-6.9347826 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Lemay Street Elementary
|
-16 |
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 |
29960 |
2418 |
- |
2436 |
= |
-18 |
* |
(68 |
/ |
185)
|
= |
-6.61621621 |
| 4 |
29961 |
2451 |
- |
2485 |
= |
-34 |
* |
(56 |
/ |
185)
|
= |
-10.29189187 |
| 5 |
29962 |
2490 |
- |
2528 |
= |
-38 |
* |
(61 |
/ |
185)
|
= |
-12.5297297 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Lemay Street Elementary
|
-29 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-11
|
-12
|
-11
|
-16
|
-29
|
-79.0 |
-15.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 5.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -36.8
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:
