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 |
962961 |
2411 |
- |
2436 |
= |
-25 |
* |
(68 |
/ |
222)
|
= |
-7.65765765 |
4 |
962964 |
2426 |
- |
2485 |
= |
-59 |
* |
(68 |
/ |
222)
|
= |
-18.07207205 |
5 |
962965 |
2432 |
- |
2528 |
= |
-96 |
* |
(86 |
/ |
222)
|
= |
-37.18918915 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Tarzana Elementary
|
-63 |
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 |
30471 |
2429 |
- |
2436 |
= |
-7 |
* |
(57 |
/ |
191)
|
= |
-2.08900523 |
4 |
30473 |
2428 |
- |
2485 |
= |
-57 |
* |
(64 |
/ |
191)
|
= |
-19.09947644 |
5 |
30474 |
2428 |
- |
2528 |
= |
-100 |
* |
(70 |
/ |
191)
|
= |
-36.6492146 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Tarzana Elementary
|
-58 |
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 |
31036 |
2415 |
- |
2436 |
= |
-21 |
* |
(71 |
/ |
190)
|
= |
-7.84736841 |
4 |
31037 |
2437 |
- |
2485 |
= |
-48 |
* |
(54 |
/ |
190)
|
= |
-13.64210525 |
5 |
31039 |
2424 |
- |
2528 |
= |
-104 |
* |
(65 |
/ |
190)
|
= |
-35.57894735 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Tarzana Elementary
|
-57 |
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 |
31083 |
2386 |
- |
2436 |
= |
-50 |
* |
(52 |
/ |
175)
|
= |
-14.85714285 |
4 |
31085 |
2457 |
- |
2485 |
= |
-28 |
* |
(66 |
/ |
175)
|
= |
-10.56 |
5 |
31087 |
2463 |
- |
2528 |
= |
-65 |
* |
(57 |
/ |
175)
|
= |
-21.17142853 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Tarzana Elementary
|
-47 |
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 |
31258 |
2401 |
- |
2436 |
= |
-35 |
* |
(44 |
/ |
158)
|
= |
-9.74683542 |
4 |
31259 |
2443 |
- |
2485 |
= |
-42 |
* |
(43 |
/ |
158)
|
= |
-11.43037972 |
5 |
31260 |
2459 |
- |
2528 |
= |
-69 |
* |
(71 |
/ |
158)
|
= |
-31.00632907 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Tarzana Elementary
|
-52 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-63
|
-58
|
-57
|
-47
|
-52
|
-277.0 |
-55.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -37.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -73.4
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: