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 |
895866 |
2381 |
- |
2436 |
= |
-55 |
* |
(97 |
/ |
294)
|
= |
-18.14625846 |
4 |
895867 |
2426 |
- |
2485 |
= |
-59 |
* |
(89 |
/ |
294)
|
= |
-17.86054419 |
5 |
895870 |
2429 |
- |
2528 |
= |
-99 |
* |
(108 |
/ |
294)
|
= |
-36.36734686 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Dolores Street Elementary
|
-72 |
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 |
28312 |
2410 |
- |
2436 |
= |
-26 |
* |
(91 |
/ |
279)
|
= |
-8.48028672 |
4 |
28315 |
2439 |
- |
2485 |
= |
-46 |
* |
(99 |
/ |
279)
|
= |
-16.32258061 |
5 |
28316 |
2461 |
- |
2528 |
= |
-67 |
* |
(89 |
/ |
279)
|
= |
-21.37275981 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Dolores Street Elementary
|
-46 |
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 |
28880 |
2416 |
- |
2436 |
= |
-20 |
* |
(88 |
/ |
270)
|
= |
-6.5185185 |
4 |
28882 |
2438 |
- |
2485 |
= |
-47 |
* |
(85 |
/ |
270)
|
= |
-14.79629626 |
5 |
28884 |
2441 |
- |
2528 |
= |
-87 |
* |
(97 |
/ |
270)
|
= |
-31.25555553 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Dolores 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 |
28929 |
2407 |
- |
2436 |
= |
-29 |
* |
(104 |
/ |
273)
|
= |
-11.04761902 |
4 |
28931 |
2450 |
- |
2485 |
= |
-35 |
* |
(85 |
/ |
273)
|
= |
-10.89743589 |
5 |
28933 |
2444 |
- |
2528 |
= |
-84 |
* |
(84 |
/ |
273)
|
= |
-25.84615379 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Dolores Street Elementary
|
-48 |
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 |
29108 |
2433 |
- |
2436 |
= |
-3 |
* |
(67 |
/ |
248)
|
= |
-0.81048387 |
4 |
29109 |
2457 |
- |
2485 |
= |
-28 |
* |
(96 |
/ |
248)
|
= |
-10.83870967 |
5 |
29110 |
2497 |
- |
2528 |
= |
-31 |
* |
(85 |
/ |
248)
|
= |
-10.62499999 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Dolores Street Elementary
|
-22 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-72
|
-46
|
-53
|
-48
|
-22
|
-241.0 |
-48.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 2.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.2
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: