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 |
798755 |
2400 |
- |
2436 |
= |
-36 |
* |
(67 |
/ |
217)
|
= |
-11.11520736 |
4 |
798758 |
2462 |
- |
2485 |
= |
-23 |
* |
(81 |
/ |
217)
|
= |
-8.58525345 |
5 |
798759 |
2472 |
- |
2528 |
= |
-56 |
* |
(69 |
/ |
217)
|
= |
-17.8064516 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Maywood Elementary
|
-38 |
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 |
24973 |
2420 |
- |
2436 |
= |
-16 |
* |
(79 |
/ |
232)
|
= |
-5.44827586 |
4 |
24975 |
2448 |
- |
2485 |
= |
-37 |
* |
(70 |
/ |
232)
|
= |
-11.16379307 |
5 |
24976 |
2510 |
- |
2528 |
= |
-18 |
* |
(83 |
/ |
232)
|
= |
-6.43965516 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Maywood Elementary
|
-23 |
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 |
25469 |
2411 |
- |
2436 |
= |
-25 |
* |
(86 |
/ |
227)
|
= |
-9.47136563 |
4 |
25471 |
2458 |
- |
2485 |
= |
-27 |
* |
(75 |
/ |
227)
|
= |
-8.92070483 |
5 |
25474 |
2531 |
- |
2528 |
= |
3 |
* |
(66 |
/ |
227)
|
= |
0.87224669 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Maywood Elementary
|
-18 |
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 |
25497 |
2420 |
- |
2436 |
= |
-16 |
* |
(70 |
/ |
228)
|
= |
-4.91228069 |
4 |
25499 |
2458 |
- |
2485 |
= |
-27 |
* |
(84 |
/ |
228)
|
= |
-9.9473684 |
5 |
25501 |
2512 |
- |
2528 |
= |
-16 |
* |
(74 |
/ |
228)
|
= |
-5.19298245 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Maywood Elementary
|
-20 |
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 |
25658 |
2422 |
- |
2436 |
= |
-14 |
* |
(76 |
/ |
225)
|
= |
-4.72888888 |
4 |
25659 |
2455 |
- |
2485 |
= |
-30 |
* |
(69 |
/ |
225)
|
= |
-9.19999998 |
5 |
25660 |
2514 |
- |
2528 |
= |
-14 |
* |
(80 |
/ |
225)
|
= |
-4.97777777 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Maywood Elementary
|
-19 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-38
|
-23
|
-18
|
-20
|
-19
|
-118.0 |
-23.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 0.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -47.6
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: