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 |
952948 |
2365 |
- |
2436 |
= |
-71 |
* |
(69 |
/ |
217)
|
= |
-22.57603685 |
| 4 |
952951 |
2402 |
- |
2485 |
= |
-83 |
* |
(74 |
/ |
217)
|
= |
-28.30414739 |
| 5 |
952952 |
2417 |
- |
2528 |
= |
-111 |
* |
(74 |
/ |
217)
|
= |
-37.85253446 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Martin Luther King Jr. Elementary
|
-89 |
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 |
30148 |
2383 |
- |
2436 |
= |
-53 |
* |
(75 |
/ |
209)
|
= |
-19.01913872 |
| 4 |
30151 |
2411 |
- |
2485 |
= |
-74 |
* |
(63 |
/ |
209)
|
= |
-22.30622004 |
| 5 |
30153 |
2436 |
- |
2528 |
= |
-92 |
* |
(71 |
/ |
209)
|
= |
-31.25358846 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Martin Luther King Jr. Elementary
|
-73 |
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 |
30713 |
2407 |
- |
2436 |
= |
-29 |
* |
(82 |
/ |
214)
|
= |
-11.11214953 |
| 4 |
30716 |
2425 |
- |
2485 |
= |
-60 |
* |
(80 |
/ |
214)
|
= |
-22.4299065 |
| 5 |
30717 |
2434 |
- |
2528 |
= |
-94 |
* |
(52 |
/ |
214)
|
= |
-22.84112148 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Martin Luther King Jr. Elementary
|
-56 |
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 |
30760 |
2380 |
- |
2436 |
= |
-56 |
* |
(76 |
/ |
230)
|
= |
-18.50434779 |
| 4 |
30762 |
2427 |
- |
2485 |
= |
-58 |
* |
(73 |
/ |
230)
|
= |
-18.40869563 |
| 5 |
30764 |
2437 |
- |
2528 |
= |
-91 |
* |
(81 |
/ |
230)
|
= |
-32.04782608 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Martin Luther King Jr. Elementary
|
-69 |
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 |
30936 |
2370 |
- |
2436 |
= |
-66 |
* |
(55 |
/ |
203)
|
= |
-17.88177336 |
| 4 |
30937 |
2419 |
- |
2485 |
= |
-66 |
* |
(71 |
/ |
203)
|
= |
-23.0837438 |
| 5 |
30938 |
2406 |
- |
2528 |
= |
-122 |
* |
(77 |
/ |
203)
|
= |
-46.27586197 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Martin Luther King Jr. Elementary
|
-87 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-89
|
-73
|
-56
|
-69
|
-87
|
-374.0 |
-74.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -35.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -113.8
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:
