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 |
919631 |
2386 |
- |
2436 |
= |
-50 |
* |
(138 |
/ |
384)
|
= |
-17.96875 |
| 4 |
919632 |
2406 |
- |
2485 |
= |
-79 |
* |
(121 |
/ |
384)
|
= |
-24.89322911 |
| 5 |
919635 |
2452 |
- |
2528 |
= |
-76 |
* |
(125 |
/ |
384)
|
= |
-24.73958331 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Kittridge Street Elementary
|
-68 |
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 |
29072 |
2412 |
- |
2436 |
= |
-24 |
* |
(116 |
/ |
360)
|
= |
-7.73333333 |
| 4 |
29075 |
2418 |
- |
2485 |
= |
-67 |
* |
(132 |
/ |
360)
|
= |
-24.56666662 |
| 5 |
29077 |
2456 |
- |
2528 |
= |
-72 |
* |
(112 |
/ |
360)
|
= |
-22.39999999 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Kittridge Street Elementary
|
-55 |
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 |
29638 |
2406 |
- |
2436 |
= |
-30 |
* |
(143 |
/ |
381)
|
= |
-11.25984249 |
| 4 |
29639 |
2437 |
- |
2485 |
= |
-48 |
* |
(111 |
/ |
381)
|
= |
-13.98425194 |
| 5 |
29642 |
2468 |
- |
2528 |
= |
-60 |
* |
(127 |
/ |
381)
|
= |
-19.99999998 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Kittridge Street Elementary
|
-45 |
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 |
29686 |
2396 |
- |
2436 |
= |
-40 |
* |
(129 |
/ |
383)
|
= |
-13.47258484 |
| 4 |
29688 |
2430 |
- |
2485 |
= |
-55 |
* |
(143 |
/ |
383)
|
= |
-20.53524803 |
| 5 |
29690 |
2483 |
- |
2528 |
= |
-45 |
* |
(111 |
/ |
383)
|
= |
-13.04177544 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Kittridge Street Elementary
|
-47 |
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 |
29862 |
2408 |
- |
2436 |
= |
-28 |
* |
(136 |
/ |
397)
|
= |
-9.59193953 |
| 4 |
29863 |
2437 |
- |
2485 |
= |
-48 |
* |
(118 |
/ |
397)
|
= |
-14.26700251 |
| 5 |
29864 |
2458 |
- |
2528 |
= |
-70 |
* |
(143 |
/ |
397)
|
= |
-25.21410577 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Kittridge Street Elementary
|
-49 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-68
|
-55
|
-45
|
-47
|
-49
|
-264.0 |
-52.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -25.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -79.8
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:
