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 |
960338 |
2369 |
- |
2436 |
= |
-67 |
* |
(105 |
/ |
299)
|
= |
-23.52842806 |
4 |
960341 |
2374 |
- |
2485 |
= |
-111 |
* |
(90 |
/ |
299)
|
= |
-33.41137118 |
5 |
960342 |
2433 |
- |
2528 |
= |
-95 |
* |
(104 |
/ |
299)
|
= |
-33.04347817 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for State Street Elementary
|
-90 |
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 |
30391 |
2400 |
- |
2436 |
= |
-36 |
* |
(86 |
/ |
278)
|
= |
-11.13669061 |
4 |
30392 |
2389 |
- |
2485 |
= |
-96 |
* |
(100 |
/ |
278)
|
= |
-34.53237408 |
5 |
30394 |
2406 |
- |
2528 |
= |
-122 |
* |
(92 |
/ |
278)
|
= |
-40.37410062 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for State Street Elementary
|
-86 |
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 |
30955 |
2378 |
- |
2436 |
= |
-58 |
* |
(88 |
/ |
270)
|
= |
-18.90370365 |
4 |
30958 |
2415 |
- |
2485 |
= |
-70 |
* |
(81 |
/ |
270)
|
= |
-21.0 |
5 |
30960 |
2402 |
- |
2528 |
= |
-126 |
* |
(101 |
/ |
270)
|
= |
-47.13333332 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for State Street Elementary
|
-87 |
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 |
31002 |
2389 |
- |
2436 |
= |
-47 |
* |
(90 |
/ |
254)
|
= |
-16.65354328 |
4 |
31004 |
2408 |
- |
2485 |
= |
-77 |
* |
(86 |
/ |
254)
|
= |
-26.07086613 |
5 |
31006 |
2461 |
- |
2528 |
= |
-67 |
* |
(78 |
/ |
254)
|
= |
-20.57480314 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for State Street Elementary
|
-63 |
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 |
31178 |
2405 |
- |
2436 |
= |
-31 |
* |
(79 |
/ |
245)
|
= |
-9.99591835 |
4 |
31179 |
2446 |
- |
2485 |
= |
-39 |
* |
(85 |
/ |
245)
|
= |
-13.53061223 |
5 |
31180 |
2445 |
- |
2528 |
= |
-83 |
* |
(81 |
/ |
245)
|
= |
-27.44081625 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for State Street Elementary
|
-51 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-90
|
-86
|
-87
|
-63
|
-51
|
-377.0 |
-75.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -24.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -126.4
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: