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 |
941112 |
2356 |
- |
2436 |
= |
-80 |
* |
(82 |
/ |
215)
|
= |
-30.51162784 |
4 |
941115 |
2398 |
- |
2485 |
= |
-87 |
* |
(78 |
/ |
215)
|
= |
-31.56279064 |
5 |
941116 |
2416 |
- |
2528 |
= |
-112 |
* |
(55 |
/ |
215)
|
= |
-28.65116274 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for One Hundred Twelfth Street Elementary
|
-91 |
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 |
29772 |
2386 |
- |
2436 |
= |
-50 |
* |
(72 |
/ |
221)
|
= |
-16.28959275 |
4 |
29774 |
2403 |
- |
2485 |
= |
-82 |
* |
(79 |
/ |
221)
|
= |
-29.31221717 |
5 |
29777 |
2410 |
- |
2528 |
= |
-118 |
* |
(70 |
/ |
221)
|
= |
-37.37556556 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for One Hundred Twelfth Street Elementary
|
-83 |
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 |
30337 |
2384 |
- |
2436 |
= |
-52 |
* |
(66 |
/ |
208)
|
= |
-16.49999998 |
4 |
30340 |
2396 |
- |
2485 |
= |
-89 |
* |
(70 |
/ |
208)
|
= |
-29.95192303 |
5 |
30341 |
2439 |
- |
2528 |
= |
-89 |
* |
(72 |
/ |
208)
|
= |
-30.80769229 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for One Hundred Twelfth Street Elementary
|
-77 |
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 |
30388 |
2333 |
- |
2436 |
= |
-103 |
* |
(66 |
/ |
193)
|
= |
-35.22279783 |
4 |
30390 |
2406 |
- |
2485 |
= |
-79 |
* |
(64 |
/ |
193)
|
= |
-26.19689114 |
5 |
30392 |
2428 |
- |
2528 |
= |
-100 |
* |
(63 |
/ |
193)
|
= |
-32.642487 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for One Hundred Twelfth Street Elementary
|
-94 |
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 |
30562 |
2377 |
- |
2436 |
= |
-59 |
* |
(65 |
/ |
190)
|
= |
-20.18421052 |
4 |
30563 |
2385 |
- |
2485 |
= |
-100 |
* |
(63 |
/ |
190)
|
= |
-33.1578947 |
5 |
30564 |
2448 |
- |
2528 |
= |
-80 |
* |
(62 |
/ |
190)
|
= |
-26.10526312 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for One Hundred Twelfth Street Elementary
|
-79 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-91
|
-83
|
-77
|
-94
|
-79
|
-424.0 |
-84.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -63.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -105.8
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: