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 |
68556 |
2486 |
- |
2436 |
= |
50 |
* |
(68 |
/ |
203)
|
= |
16.74876845 |
| 4 |
68558 |
2518 |
- |
2485 |
= |
33 |
* |
(80 |
/ |
203)
|
= |
13.00492608 |
| 5 |
68559 |
2554 |
- |
2528 |
= |
26 |
* |
(55 |
/ |
203)
|
= |
7.04433496 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Jonas Salk Elementary
|
37 |
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 |
70374 |
2500 |
- |
2436 |
= |
64 |
* |
(85 |
/ |
234)
|
= |
23.24786323 |
| 4 |
70376 |
2527 |
- |
2485 |
= |
42 |
* |
(76 |
/ |
234)
|
= |
13.64102561 |
| 5 |
70378 |
2583 |
- |
2528 |
= |
55 |
* |
(73 |
/ |
234)
|
= |
17.15811961 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Jonas Salk Elementary
|
54 |
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 |
70497 |
2498 |
- |
2436 |
= |
62 |
* |
(73 |
/ |
236)
|
= |
19.17796605 |
| 4 |
70499 |
2536 |
- |
2485 |
= |
51 |
* |
(86 |
/ |
236)
|
= |
18.58474573 |
| 5 |
70501 |
2589 |
- |
2528 |
= |
61 |
* |
(77 |
/ |
236)
|
= |
19.90254235 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Jonas Salk Elementary
|
58 |
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 |
70971 |
2500 |
- |
2436 |
= |
64 |
* |
(96 |
/ |
246)
|
= |
24.97560973 |
| 4 |
70972 |
2525 |
- |
2485 |
= |
40 |
* |
(73 |
/ |
246)
|
= |
11.86991868 |
| 5 |
70973 |
2594 |
- |
2528 |
= |
66 |
* |
(77 |
/ |
246)
|
= |
20.65853658 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Jonas Salk Elementary
|
58 |
Last steps
Compute the average
| 2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
37
|
54
|
58
|
58
|
207.0 |
51.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 81.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 21.75
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:
