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 |
923554 |
2403 |
- |
2436 |
= |
-33 |
* |
(93 |
/ |
328)
|
= |
-9.35670731 |
| 4 |
923555 |
2418 |
- |
2485 |
= |
-67 |
* |
(70 |
/ |
328)
|
= |
-14.29878048 |
| 5 |
923558 |
2445 |
- |
2528 |
= |
-83 |
* |
(83 |
/ |
328)
|
= |
-21.00304874 |
| 6 |
923559 |
2430 |
- |
2552 |
= |
-122 |
* |
(82 |
/ |
328)
|
= |
-30.5 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Lillian Street Elementary
|
-75 |
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 |
29195 |
2388 |
- |
2436 |
= |
-48 |
* |
(77 |
/ |
299)
|
= |
-12.36120398 |
| 4 |
29196 |
2458 |
- |
2485 |
= |
-27 |
* |
(93 |
/ |
299)
|
= |
-8.3979933 |
| 5 |
29198 |
2427 |
- |
2528 |
= |
-101 |
* |
(68 |
/ |
299)
|
= |
-22.96989965 |
| 6 |
29201 |
2494 |
- |
2552 |
= |
-58 |
* |
(61 |
/ |
299)
|
= |
-11.83277587 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Lillian Street Elementary
|
-56 |
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 |
29759 |
2401 |
- |
2436 |
= |
-35 |
* |
(69 |
/ |
291)
|
= |
-8.29896907 |
| 4 |
29761 |
2447 |
- |
2485 |
= |
-38 |
* |
(73 |
/ |
291)
|
= |
-9.53264603 |
| 5 |
29764 |
2457 |
- |
2528 |
= |
-71 |
* |
(90 |
/ |
291)
|
= |
-21.95876285 |
| 6 |
29765 |
2460 |
- |
2552 |
= |
-92 |
* |
(59 |
/ |
291)
|
= |
-18.65292088 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Lillian Street Elementary
|
-58 |
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 |
29808 |
2424 |
- |
2436 |
= |
-12 |
* |
(58 |
/ |
267)
|
= |
-2.60674157 |
| 4 |
29810 |
2475 |
- |
2485 |
= |
-10 |
* |
(67 |
/ |
267)
|
= |
-2.50936329 |
| 5 |
29812 |
2455 |
- |
2528 |
= |
-73 |
* |
(68 |
/ |
267)
|
= |
-18.59176023 |
| 6 |
29814 |
2485 |
- |
2552 |
= |
-67 |
* |
(74 |
/ |
267)
|
= |
-18.56928839 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Lillian Street Elementary
|
-42 |
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 |
29985 |
2437 |
- |
2436 |
= |
1 |
* |
(71 |
/ |
262)
|
= |
0.27099237 |
| 4 |
29986 |
2495 |
- |
2485 |
= |
10 |
* |
(61 |
/ |
262)
|
= |
2.32824427 |
| 5 |
29987 |
2466 |
- |
2528 |
= |
-62 |
* |
(68 |
/ |
262)
|
= |
-16.09160301 |
| 6 |
29988 |
2476 |
- |
2552 |
= |
-76 |
* |
(62 |
/ |
262)
|
= |
-17.9847328 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Lillian Street Elementary
|
-31 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-75
|
-56
|
-58
|
-42
|
-31
|
-262.0 |
-52.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -4.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -100.4
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:
