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 |
1854643 |
2416 |
- |
2436 |
= |
-20 |
* |
(68 |
/ |
295)
|
= |
-4.61016948 |
4 |
1854644 |
2461 |
- |
2485 |
= |
-24 |
* |
(71 |
/ |
295)
|
= |
-5.77627118 |
5 |
1854647 |
2527 |
- |
2528 |
= |
-1 |
* |
(62 |
/ |
295)
|
= |
-0.21016949 |
6 |
1854648 |
2560 |
- |
2552 |
= |
8 |
* |
(94 |
/ |
295)
|
= |
2.54915254 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Pony Express Elementary
|
-8 |
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 |
57312 |
2426 |
- |
2436 |
= |
-10 |
* |
(56 |
/ |
258)
|
= |
-2.17054263 |
4 |
57314 |
2462 |
- |
2485 |
= |
-23 |
* |
(72 |
/ |
258)
|
= |
-6.41860464 |
5 |
57317 |
2483 |
- |
2528 |
= |
-45 |
* |
(68 |
/ |
258)
|
= |
-11.8604651 |
6 |
57319 |
2574 |
- |
2552 |
= |
22 |
* |
(62 |
/ |
258)
|
= |
5.28682169 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Pony Express Elementary
|
-15 |
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 |
58988 |
2417 |
- |
2436 |
= |
-19 |
* |
(47 |
/ |
238)
|
= |
-3.75210083 |
4 |
58989 |
2468 |
- |
2485 |
= |
-17 |
* |
(62 |
/ |
238)
|
= |
-4.42857142 |
5 |
58992 |
2498 |
- |
2528 |
= |
-30 |
* |
(69 |
/ |
238)
|
= |
-8.69747898 |
6 |
58994 |
2553 |
- |
2552 |
= |
1 |
* |
(60 |
/ |
238)
|
= |
0.25210084 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Pony Express Elementary
|
-17 |
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 |
59102 |
2432 |
- |
2436 |
= |
-4 |
* |
(66 |
/ |
245)
|
= |
-1.07755102 |
4 |
59105 |
2468 |
- |
2485 |
= |
-17 |
* |
(55 |
/ |
245)
|
= |
-3.81632652 |
5 |
59106 |
2512 |
- |
2528 |
= |
-16 |
* |
(62 |
/ |
245)
|
= |
-4.04897958 |
6 |
59109 |
2562 |
- |
2552 |
= |
10 |
* |
(62 |
/ |
245)
|
= |
2.53061224 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Pony Express Elementary
|
-6 |
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 |
59358 |
2438 |
- |
2436 |
= |
2 |
* |
(64 |
/ |
236)
|
= |
0.54237288 |
4 |
59359 |
2488 |
- |
2485 |
= |
3 |
* |
(64 |
/ |
236)
|
= |
0.81355932 |
5 |
59360 |
2487 |
- |
2528 |
= |
-41 |
* |
(53 |
/ |
236)
|
= |
-9.20762711 |
6 |
59361 |
2564 |
- |
2552 |
= |
12 |
* |
(55 |
/ |
236)
|
= |
2.79661016 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Pony Express Elementary
|
-5 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-8
|
-15
|
-17
|
-6
|
-5
|
-51.0 |
-10.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 4.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -25.2
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: