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 |
1856163 |
2376 |
- |
2436 |
= |
-60 |
* |
(44 |
/ |
176)
|
= |
-15.0 |
4 |
1856164 |
2394 |
- |
2485 |
= |
-91 |
* |
(38 |
/ |
176)
|
= |
-19.64772719 |
5 |
1856167 |
2410 |
- |
2528 |
= |
-118 |
* |
(49 |
/ |
176)
|
= |
-32.85227262 |
6 |
1856168 |
2461 |
- |
2552 |
= |
-91 |
* |
(45 |
/ |
176)
|
= |
-23.26704544 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Tahoe 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 |
57353 |
2390 |
- |
2436 |
= |
-46 |
* |
(60 |
/ |
203)
|
= |
-13.59605909 |
4 |
57355 |
2397 |
- |
2485 |
= |
-88 |
* |
(48 |
/ |
203)
|
= |
-20.80788169 |
5 |
57356 |
2405 |
- |
2528 |
= |
-123 |
* |
(46 |
/ |
203)
|
= |
-27.87192116 |
6 |
57358 |
2439 |
- |
2552 |
= |
-113 |
* |
(49 |
/ |
203)
|
= |
-27.27586203 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Tahoe Elementary
|
-90 |
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 |
59028 |
2379 |
- |
2436 |
= |
-57 |
* |
(49 |
/ |
188)
|
= |
-14.85638293 |
4 |
59029 |
2391 |
- |
2485 |
= |
-94 |
* |
(51 |
/ |
188)
|
= |
-25.49999993 |
5 |
59032 |
2428 |
- |
2528 |
= |
-100 |
* |
(48 |
/ |
188)
|
= |
-25.5319148 |
6 |
59034 |
2465 |
- |
2552 |
= |
-87 |
* |
(40 |
/ |
188)
|
= |
-18.51063826 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Tahoe Elementary
|
-84 |
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 |
59143 |
2344 |
- |
2436 |
= |
-92 |
* |
(46 |
/ |
188)
|
= |
-22.51063829 |
4 |
59144 |
2423 |
- |
2485 |
= |
-62 |
* |
(48 |
/ |
188)
|
= |
-15.82978718 |
5 |
59147 |
2417 |
- |
2528 |
= |
-111 |
* |
(52 |
/ |
188)
|
= |
-30.70212758 |
6 |
59148 |
2448 |
- |
2552 |
= |
-104 |
* |
(42 |
/ |
188)
|
= |
-23.23404252 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Tahoe Elementary
|
-92 |
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 |
59398 |
2398 |
- |
2436 |
= |
-38 |
* |
(50 |
/ |
203)
|
= |
-9.35960588 |
4 |
59399 |
2419 |
- |
2485 |
= |
-66 |
* |
(43 |
/ |
203)
|
= |
-13.98029556 |
5 |
59400 |
2444 |
- |
2528 |
= |
-84 |
* |
(54 |
/ |
203)
|
= |
-22.34482757 |
6 |
59401 |
2445 |
- |
2552 |
= |
-107 |
* |
(56 |
/ |
203)
|
= |
-29.51724128 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Tahoe Elementary
|
-75 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-91
|
-90
|
-84
|
-92
|
-75
|
-432.0 |
-86.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -65.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -107.4
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: