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 |
966155 |
2417 |
- |
2436 |
= |
-19 |
* |
(60 |
/ |
184)
|
= |
-6.19565216 |
| 4 |
966156 |
2434 |
- |
2485 |
= |
-51 |
* |
(70 |
/ |
184)
|
= |
-19.40217388 |
| 5 |
966159 |
2438 |
- |
2528 |
= |
-90 |
* |
(54 |
/ |
184)
|
= |
-26.4130434 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Towne Avenue Elementary
|
-52 |
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 |
30569 |
2427 |
- |
2436 |
= |
-9 |
* |
(52 |
/ |
187)
|
= |
-2.50267379 |
| 4 |
30570 |
2474 |
- |
2485 |
= |
-11 |
* |
(62 |
/ |
187)
|
= |
-3.64705882 |
| 5 |
30573 |
2440 |
- |
2528 |
= |
-88 |
* |
(73 |
/ |
187)
|
= |
-34.35294113 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Towne Avenue Elementary
|
-41 |
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 |
31134 |
2449 |
- |
2436 |
= |
13 |
* |
(57 |
/ |
173)
|
= |
4.28323698 |
| 4 |
31135 |
2483 |
- |
2485 |
= |
-2 |
* |
(51 |
/ |
173)
|
= |
-0.58959537 |
| 5 |
31137 |
2463 |
- |
2528 |
= |
-65 |
* |
(65 |
/ |
173)
|
= |
-24.4219653 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Towne Avenue Elementary
|
-21 |
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 |
31181 |
2436 |
- |
2436 |
= |
0 |
* |
(51 |
/ |
159)
|
= |
0.0 |
| 4 |
31183 |
2468 |
- |
2485 |
= |
-17 |
* |
(59 |
/ |
159)
|
= |
-6.30817609 |
| 5 |
31185 |
2470 |
- |
2528 |
= |
-58 |
* |
(49 |
/ |
159)
|
= |
-17.8742138 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Towne Avenue Elementary
|
-24 |
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 |
31356 |
2448 |
- |
2436 |
= |
12 |
* |
(56 |
/ |
179)
|
= |
3.75418994 |
| 4 |
31357 |
2495 |
- |
2485 |
= |
10 |
* |
(57 |
/ |
179)
|
= |
3.18435754 |
| 5 |
31358 |
2484 |
- |
2528 |
= |
-44 |
* |
(66 |
/ |
179)
|
= |
-16.22346365 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Towne Avenue Elementary
|
-9 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-52
|
-41
|
-21
|
-24
|
-9
|
-147.0 |
-29.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 21.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -80.4
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:
