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 |
334469 |
2393 |
- |
2436 |
= |
-43 |
* |
(95 |
/ |
345)
|
= |
-11.84057967 |
4 |
334470 |
2419 |
- |
2485 |
= |
-66 |
* |
(76 |
/ |
345)
|
= |
-14.53913043 |
5 |
334473 |
2421 |
- |
2528 |
= |
-107 |
* |
(82 |
/ |
345)
|
= |
-25.43188401 |
6 |
334474 |
2478 |
- |
2552 |
= |
-74 |
* |
(92 |
/ |
345)
|
= |
-19.73333328 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Wishon Elementary
|
-72 |
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 |
9980 |
2420 |
- |
2436 |
= |
-16 |
* |
(80 |
/ |
324)
|
= |
-3.95061728 |
4 |
9981 |
2445 |
- |
2485 |
= |
-40 |
* |
(87 |
/ |
324)
|
= |
-10.74074072 |
5 |
9984 |
2451 |
- |
2528 |
= |
-77 |
* |
(79 |
/ |
324)
|
= |
-18.77469132 |
6 |
9985 |
2462 |
- |
2552 |
= |
-90 |
* |
(78 |
/ |
324)
|
= |
-21.6666666 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Wishon Elementary
|
-55 |
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 |
10308 |
2400 |
- |
2436 |
= |
-36 |
* |
(84 |
/ |
327)
|
= |
-9.24770639 |
4 |
10309 |
2446 |
- |
2485 |
= |
-39 |
* |
(77 |
/ |
327)
|
= |
-9.18348623 |
5 |
10311 |
2479 |
- |
2528 |
= |
-49 |
* |
(89 |
/ |
327)
|
= |
-13.3363914 |
6 |
10314 |
2492 |
- |
2552 |
= |
-60 |
* |
(77 |
/ |
327)
|
= |
-14.12844036 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Wishon Elementary
|
-46 |
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 |
10325 |
2455 |
- |
2436 |
= |
19 |
* |
(71 |
/ |
311)
|
= |
4.33762056 |
4 |
10328 |
2469 |
- |
2485 |
= |
-16 |
* |
(78 |
/ |
311)
|
= |
-4.01286173 |
5 |
10329 |
2489 |
- |
2528 |
= |
-39 |
* |
(72 |
/ |
311)
|
= |
-9.02893891 |
6 |
10332 |
2509 |
- |
2552 |
= |
-43 |
* |
(90 |
/ |
311)
|
= |
-12.44372988 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Wishon Elementary
|
-21 |
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 |
10406 |
2442 |
- |
2436 |
= |
6 |
* |
(73 |
/ |
307)
|
= |
1.4267101 |
4 |
10407 |
2462 |
- |
2485 |
= |
-23 |
* |
(77 |
/ |
307)
|
= |
-5.76872964 |
5 |
10408 |
2496 |
- |
2528 |
= |
-32 |
* |
(75 |
/ |
307)
|
= |
-7.81758957 |
6 |
10409 |
2508 |
- |
2552 |
= |
-44 |
* |
(82 |
/ |
307)
|
= |
-11.75244299 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Wishon Elementary
|
-24 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-72
|
-55
|
-46
|
-21
|
-24
|
-218.0 |
-43.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 19.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -106.6
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: