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 |
2245856 |
2429 |
- |
2436 |
= |
-7 |
* |
(45 |
/ |
97)
|
= |
-3.24742268 |
| 4 |
2245857 |
2468 |
- |
2485 |
= |
-17 |
* |
(52 |
/ |
97)
|
= |
-9.11340206 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Dewey Elementary
|
-12 |
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 |
68933 |
2451 |
- |
2436 |
= |
15 |
* |
(54 |
/ |
92)
|
= |
8.80434782 |
| 4 |
68935 |
2508 |
- |
2485 |
= |
23 |
* |
(38 |
/ |
92)
|
= |
9.49999999 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Dewey Elementary
|
18 |
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 |
70767 |
2466 |
- |
2436 |
= |
30 |
* |
(51 |
/ |
98)
|
= |
15.61224489 |
| 4 |
70769 |
2515 |
- |
2485 |
= |
30 |
* |
(47 |
/ |
98)
|
= |
14.38775508 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Dewey Elementary
|
30 |
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 |
70914 |
2460 |
- |
2436 |
= |
24 |
* |
(58 |
/ |
99)
|
= |
14.06060604 |
| 4 |
70915 |
2506 |
- |
2485 |
= |
21 |
* |
(41 |
/ |
99)
|
= |
8.69696969 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Dewey Elementary
|
23 |
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 |
71400 |
2437 |
- |
2436 |
= |
1 |
* |
(48 |
/ |
100)
|
= |
0.48 |
| 4 |
71401 |
2518 |
- |
2485 |
= |
33 |
* |
(52 |
/ |
100)
|
= |
17.16 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Dewey Elementary
|
18 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-12
|
18
|
30
|
23
|
18
|
77.0 |
15.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 63.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -32.6
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:
