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 |
922408 |
2379 |
- |
2436 |
= |
-57 |
* |
(109 |
/ |
311)
|
= |
-19.97749196 |
4 |
922411 |
2421 |
- |
2485 |
= |
-64 |
* |
(87 |
/ |
311)
|
= |
-17.90353696 |
5 |
922412 |
2460 |
- |
2528 |
= |
-68 |
* |
(89 |
/ |
311)
|
= |
-19.45980704 |
6 |
922415 |
2515 |
- |
2552 |
= |
-37 |
* |
(26 |
/ |
311)
|
= |
-3.09324758 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Leland Street Elementary
|
-60 |
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 |
29161 |
2390 |
- |
2436 |
= |
-46 |
* |
(103 |
/ |
304)
|
= |
-15.58552629 |
4 |
29163 |
2447 |
- |
2485 |
= |
-38 |
* |
(94 |
/ |
304)
|
= |
-11.74999999 |
5 |
29164 |
2429 |
- |
2528 |
= |
-99 |
* |
(82 |
/ |
304)
|
= |
-26.70394736 |
6 |
29166 |
2540 |
- |
2552 |
= |
-12 |
* |
(25 |
/ |
304)
|
= |
-0.9868421 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Leland 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 |
29725 |
2423 |
- |
2436 |
= |
-13 |
* |
(61 |
/ |
274)
|
= |
-2.89416058 |
4 |
29727 |
2433 |
- |
2485 |
= |
-52 |
* |
(95 |
/ |
274)
|
= |
-18.02919706 |
5 |
29730 |
2455 |
- |
2528 |
= |
-73 |
* |
(95 |
/ |
274)
|
= |
-25.31021894 |
6 |
29732 |
2476 |
- |
2552 |
= |
-76 |
* |
(23 |
/ |
274)
|
= |
-6.37956198 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Leland Street Elementary
|
-53 |
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 |
29774 |
2406 |
- |
2436 |
= |
-30 |
* |
(82 |
/ |
250)
|
= |
-9.84 |
4 |
29776 |
2470 |
- |
2485 |
= |
-15 |
* |
(52 |
/ |
250)
|
= |
-3.12 |
5 |
29778 |
2438 |
- |
2528 |
= |
-90 |
* |
(89 |
/ |
250)
|
= |
-32.04 |
6 |
29780 |
2508 |
- |
2552 |
= |
-44 |
* |
(27 |
/ |
250)
|
= |
-4.752 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Leland Street Elementary
|
-50 |
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 |
29951 |
2430 |
- |
2436 |
= |
-6 |
* |
(71 |
/ |
225)
|
= |
-1.89333333 |
4 |
29952 |
2459 |
- |
2485 |
= |
-26 |
* |
(78 |
/ |
225)
|
= |
-9.01333332 |
5 |
29953 |
2476 |
- |
2528 |
= |
-52 |
* |
(55 |
/ |
225)
|
= |
-12.71111109 |
6 |
29954 |
2489 |
- |
2552 |
= |
-63 |
* |
(21 |
/ |
225)
|
= |
-5.87999998 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Leland Street Elementary
|
-29 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-60
|
-55
|
-53
|
-50
|
-29
|
-247.0 |
-49.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -16.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.4
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: