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 |
773943 |
2427 |
- |
2436 |
= |
-9 |
* |
(47 |
/ |
154)
|
= |
-2.74675325 |
4 |
773946 |
2450 |
- |
2485 |
= |
-35 |
* |
(53 |
/ |
154)
|
= |
-12.04545454 |
5 |
773947 |
2483 |
- |
2528 |
= |
-45 |
* |
(54 |
/ |
154)
|
= |
-15.77922075 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mann Elementary
|
-31 |
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 |
24265 |
2405 |
- |
2436 |
= |
-31 |
* |
(55 |
/ |
170)
|
= |
-10.02941174 |
4 |
24267 |
2431 |
- |
2485 |
= |
-54 |
* |
(54 |
/ |
170)
|
= |
-17.15294113 |
5 |
24269 |
2463 |
- |
2528 |
= |
-65 |
* |
(61 |
/ |
170)
|
= |
-23.32352939 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mann Elementary
|
-51 |
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 |
24766 |
2402 |
- |
2436 |
= |
-34 |
* |
(69 |
/ |
178)
|
= |
-13.17977527 |
4 |
24768 |
2419 |
- |
2485 |
= |
-66 |
* |
(51 |
/ |
178)
|
= |
-18.9101123 |
5 |
24770 |
2440 |
- |
2528 |
= |
-88 |
* |
(58 |
/ |
178)
|
= |
-28.67415725 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mann Elementary
|
-61 |
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 |
24788 |
2428 |
- |
2436 |
= |
-8 |
* |
(57 |
/ |
163)
|
= |
-2.79754601 |
4 |
24790 |
2459 |
- |
2485 |
= |
-26 |
* |
(58 |
/ |
163)
|
= |
-9.25153372 |
5 |
24792 |
2491 |
- |
2528 |
= |
-37 |
* |
(48 |
/ |
163)
|
= |
-10.8957055 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mann Elementary
|
-23 |
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 |
24958 |
2437 |
- |
2436 |
= |
1 |
* |
(66 |
/ |
170)
|
= |
0.38823529 |
4 |
24959 |
2469 |
- |
2485 |
= |
-16 |
* |
(52 |
/ |
170)
|
= |
-4.89411763 |
5 |
24960 |
2512 |
- |
2528 |
= |
-16 |
* |
(52 |
/ |
170)
|
= |
-4.89411763 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mann Elementary
|
-9 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-31
|
-51
|
-61
|
-23
|
-9
|
-175.0 |
-35.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 28.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -98.0
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: