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 |
1007136 |
2360 |
- |
2436 |
= |
-76 |
* |
(132 |
/ |
359)
|
= |
-27.94428967 |
| 4 |
1007139 |
2387 |
- |
2485 |
= |
-98 |
* |
(109 |
/ |
359)
|
= |
-29.75487456 |
| 5 |
1007140 |
2392 |
- |
2528 |
= |
-136 |
* |
(118 |
/ |
359)
|
= |
-44.70194975 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Esperanza Elementary
|
-102 |
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 |
31782 |
2380 |
- |
2436 |
= |
-56 |
* |
(127 |
/ |
343)
|
= |
-20.73469384 |
| 4 |
31784 |
2410 |
- |
2485 |
= |
-75 |
* |
(121 |
/ |
343)
|
= |
-26.45772593 |
| 5 |
31787 |
2421 |
- |
2528 |
= |
-107 |
* |
(95 |
/ |
343)
|
= |
-29.63556851 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Esperanza Elementary
|
-77 |
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 |
32335 |
2346 |
- |
2436 |
= |
-90 |
* |
(136 |
/ |
378)
|
= |
-32.38095231 |
| 4 |
32337 |
2406 |
- |
2485 |
= |
-79 |
* |
(120 |
/ |
378)
|
= |
-25.07936504 |
| 5 |
32340 |
2433 |
- |
2528 |
= |
-95 |
* |
(122 |
/ |
378)
|
= |
-30.66137559 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Esperanza Elementary
|
-88 |
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 |
32363 |
2367 |
- |
2436 |
= |
-69 |
* |
(133 |
/ |
385)
|
= |
-23.83636361 |
| 4 |
32365 |
2415 |
- |
2485 |
= |
-70 |
* |
(134 |
/ |
385)
|
= |
-24.36363636 |
| 5 |
32367 |
2444 |
- |
2528 |
= |
-84 |
* |
(118 |
/ |
385)
|
= |
-25.7454545 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Esperanza Elementary
|
-74 |
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 |
32544 |
2376 |
- |
2436 |
= |
-60 |
* |
(150 |
/ |
420)
|
= |
-21.42857142 |
| 4 |
32545 |
2440 |
- |
2485 |
= |
-45 |
* |
(136 |
/ |
420)
|
= |
-14.57142854 |
| 5 |
32546 |
2421 |
- |
2528 |
= |
-107 |
* |
(134 |
/ |
420)
|
= |
-34.13809523 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Esperanza Elementary
|
-70 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-102
|
-77
|
-88
|
-74
|
-70
|
-411.0 |
-82.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -46.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -118.2
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:
