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 |
1440008 |
2453 |
- |
2436 |
= |
17 |
* |
(75 |
/ |
240)
|
= |
5.3125 |
| 4 |
1440009 |
2506 |
- |
2485 |
= |
21 |
* |
(81 |
/ |
240)
|
= |
7.0875 |
| 5 |
1440012 |
2510 |
- |
2528 |
= |
-18 |
* |
(84 |
/ |
240)
|
= |
-6.3 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Philip J. Reilly Elementary
|
6 |
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 |
45328 |
2453 |
- |
2436 |
= |
17 |
* |
(73 |
/ |
233)
|
= |
5.32618026 |
| 4 |
45330 |
2520 |
- |
2485 |
= |
35 |
* |
(82 |
/ |
233)
|
= |
12.31759655 |
| 5 |
45333 |
2553 |
- |
2528 |
= |
25 |
* |
(78 |
/ |
233)
|
= |
8.3690987 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Philip J. Reilly Elementary
|
26 |
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 |
46539 |
2464 |
- |
2436 |
= |
28 |
* |
(71 |
/ |
221)
|
= |
8.9954751 |
| 4 |
46541 |
2540 |
- |
2485 |
= |
55 |
* |
(68 |
/ |
221)
|
= |
16.92307689 |
| 5 |
46542 |
2551 |
- |
2528 |
= |
23 |
* |
(82 |
/ |
221)
|
= |
8.53393663 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Philip J. Reilly Elementary
|
34 |
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 |
46549 |
2469 |
- |
2436 |
= |
33 |
* |
(69 |
/ |
215)
|
= |
10.59069766 |
| 4 |
46551 |
2524 |
- |
2485 |
= |
39 |
* |
(71 |
/ |
215)
|
= |
12.87906976 |
| 5 |
46553 |
2544 |
- |
2528 |
= |
16 |
* |
(75 |
/ |
215)
|
= |
5.58139534 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Philip J. Reilly Elementary
|
29 |
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 |
46731 |
2469 |
- |
2436 |
= |
33 |
* |
(55 |
/ |
199)
|
= |
9.120603 |
| 4 |
46732 |
2534 |
- |
2485 |
= |
49 |
* |
(70 |
/ |
199)
|
= |
17.23618086 |
| 5 |
46733 |
2540 |
- |
2528 |
= |
12 |
* |
(74 |
/ |
199)
|
= |
4.46231155 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Philip J. Reilly Elementary
|
31 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
6
|
26
|
34
|
29
|
31
|
126.0 |
25.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 58.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -7.8
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:
