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 |
2365948 |
2378 |
- |
2436 |
= |
-58 |
* |
(72 |
/ |
213)
|
= |
-19.6056338 |
| 4 |
2365951 |
2411 |
- |
2485 |
= |
-74 |
* |
(80 |
/ |
213)
|
= |
-27.7934272 |
| 5 |
2365952 |
2426 |
- |
2528 |
= |
-102 |
* |
(61 |
/ |
213)
|
= |
-29.21126755 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Chavez (Cesar) Elementary
|
-77 |
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 |
72279 |
2370 |
- |
2436 |
= |
-66 |
* |
(72 |
/ |
217)
|
= |
-21.89861751 |
| 4 |
72282 |
2415 |
- |
2485 |
= |
-70 |
* |
(72 |
/ |
217)
|
= |
-23.22580645 |
| 5 |
72283 |
2432 |
- |
2528 |
= |
-96 |
* |
(73 |
/ |
217)
|
= |
-32.29493078 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Chavez (Cesar) 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 |
74253 |
2391 |
- |
2436 |
= |
-45 |
* |
(75 |
/ |
210)
|
= |
-16.07142857 |
| 4 |
74255 |
2397 |
- |
2485 |
= |
-88 |
* |
(68 |
/ |
210)
|
= |
-28.49523802 |
| 5 |
74257 |
2419 |
- |
2528 |
= |
-109 |
* |
(67 |
/ |
210)
|
= |
-34.77619047 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Chavez (Cesar) Elementary
|
-79 |
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 |
74428 |
2389 |
- |
2436 |
= |
-47 |
* |
(67 |
/ |
198)
|
= |
-15.90404039 |
| 4 |
74429 |
2411 |
- |
2485 |
= |
-74 |
* |
(72 |
/ |
198)
|
= |
-26.90909086 |
| 5 |
74432 |
2386 |
- |
2528 |
= |
-142 |
* |
(59 |
/ |
198)
|
= |
-42.31313117 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Chavez (Cesar) Elementary
|
-85 |
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 |
74951 |
2385 |
- |
2436 |
= |
-51 |
* |
(73 |
/ |
216)
|
= |
-17.23611106 |
| 4 |
74952 |
2423 |
- |
2485 |
= |
-62 |
* |
(69 |
/ |
216)
|
= |
-19.80555553 |
| 5 |
74953 |
2428 |
- |
2528 |
= |
-100 |
* |
(74 |
/ |
216)
|
= |
-34.2592592 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Chavez (Cesar) Elementary
|
-71 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-77
|
-77
|
-79
|
-85
|
-71
|
-389.0 |
-77.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -62.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -92.8
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:
