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 |
2362887 |
2389 |
- |
2436 |
= |
-47 |
* |
(44 |
/ |
125)
|
= |
-16.544 |
| 4 |
2362888 |
2444 |
- |
2485 |
= |
-41 |
* |
(40 |
/ |
125)
|
= |
-13.12 |
| 5 |
2362891 |
2460 |
- |
2528 |
= |
-68 |
* |
(41 |
/ |
125)
|
= |
-22.304 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for El Dorado Elementary
|
-52 |
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 |
72192 |
2390 |
- |
2436 |
= |
-46 |
* |
(40 |
/ |
115)
|
= |
-15.99999996 |
| 4 |
72193 |
2423 |
- |
2485 |
= |
-62 |
* |
(46 |
/ |
115)
|
= |
-24.8 |
| 5 |
72195 |
2467 |
- |
2528 |
= |
-61 |
* |
(29 |
/ |
115)
|
= |
-15.38260869 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for El Dorado Elementary
|
-56 |
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 |
74165 |
2384 |
- |
2436 |
= |
-52 |
* |
(32 |
/ |
115)
|
= |
-14.46956519 |
| 4 |
74168 |
2416 |
- |
2485 |
= |
-69 |
* |
(40 |
/ |
115)
|
= |
-23.99999993 |
| 5 |
74170 |
2454 |
- |
2528 |
= |
-74 |
* |
(43 |
/ |
115)
|
= |
-27.66956518 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for El Dorado Elementary
|
-66 |
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 |
74339 |
2369 |
- |
2436 |
= |
-67 |
* |
(27 |
/ |
102)
|
= |
-17.73529409 |
| 4 |
74342 |
2392 |
- |
2485 |
= |
-93 |
* |
(35 |
/ |
102)
|
= |
-31.91176462 |
| 5 |
74343 |
2426 |
- |
2528 |
= |
-102 |
* |
(40 |
/ |
102)
|
= |
-39.99999992 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for El Dorado Elementary
|
-90 |
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 |
74863 |
2381 |
- |
2436 |
= |
-55 |
* |
(21 |
/ |
80)
|
= |
-14.4375 |
| 4 |
74864 |
2419 |
- |
2485 |
= |
-66 |
* |
(29 |
/ |
80)
|
= |
-23.925 |
| 5 |
74865 |
2410 |
- |
2528 |
= |
-118 |
* |
(30 |
/ |
80)
|
= |
-44.25 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for El Dorado Elementary
|
-83 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-52
|
-56
|
-66
|
-90
|
-83
|
-347.0 |
-69.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -117.4
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:
