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 |
921425 |
2390 |
- |
2436 |
= |
-46 |
* |
(26 |
/ |
125)
|
= |
-9.568 |
4 |
921426 |
2411 |
- |
2485 |
= |
-74 |
* |
(29 |
/ |
125)
|
= |
-17.168 |
5 |
921429 |
2435 |
- |
2528 |
= |
-93 |
* |
(35 |
/ |
125)
|
= |
-26.04 |
6 |
921430 |
2437 |
- |
2552 |
= |
-115 |
* |
(35 |
/ |
125)
|
= |
-32.2 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Latona Avenue Elementary
|
-85 |
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 |
29129 |
2385 |
- |
2436 |
= |
-51 |
* |
(20 |
/ |
102)
|
= |
-9.99999998 |
4 |
29130 |
2438 |
- |
2485 |
= |
-47 |
* |
(24 |
/ |
102)
|
= |
-11.0588235 |
5 |
29132 |
2448 |
- |
2528 |
= |
-80 |
* |
(28 |
/ |
102)
|
= |
-21.96078424 |
6 |
29135 |
2478 |
- |
2552 |
= |
-74 |
* |
(30 |
/ |
102)
|
= |
-21.76470588 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Latona Avenue Elementary
|
-65 |
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 |
29693 |
2414 |
- |
2436 |
= |
-22 |
* |
(21 |
/ |
83)
|
= |
-5.56626506 |
4 |
29695 |
2446 |
- |
2485 |
= |
-39 |
* |
(17 |
/ |
83)
|
= |
-7.9879518 |
5 |
29697 |
2461 |
- |
2528 |
= |
-67 |
* |
(23 |
/ |
83)
|
= |
-18.56626501 |
6 |
29700 |
2501 |
- |
2552 |
= |
-51 |
* |
(22 |
/ |
83)
|
= |
-13.51807224 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Latona Avenue Elementary
|
-46 |
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 |
29742 |
2456 |
- |
2436 |
= |
20 |
* |
(20 |
/ |
85)
|
= |
4.70588234 |
4 |
29744 |
2434 |
- |
2485 |
= |
-51 |
* |
(21 |
/ |
85)
|
= |
-12.59999997 |
5 |
29746 |
2506 |
- |
2528 |
= |
-22 |
* |
(19 |
/ |
85)
|
= |
-4.91764704 |
6 |
29748 |
2504 |
- |
2552 |
= |
-48 |
* |
(25 |
/ |
85)
|
= |
-14.11764706 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Latona Avenue Elementary
|
-27 |
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 |
29919 |
2445 |
- |
2436 |
= |
9 |
* |
(21 |
/ |
85)
|
= |
2.22352941 |
4 |
29920 |
2489 |
- |
2485 |
= |
4 |
* |
(22 |
/ |
85)
|
= |
1.03529412 |
5 |
29921 |
2446 |
- |
2528 |
= |
-82 |
* |
(22 |
/ |
85)
|
= |
-21.22352938 |
6 |
29922 |
2538 |
- |
2552 |
= |
-14 |
* |
(20 |
/ |
85)
|
= |
-3.29411764 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Latona Avenue Elementary
|
-21 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-85
|
-65
|
-46
|
-27
|
-21
|
-244.0 |
-48.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 29.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -126.8
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: