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 |
2380784 |
2433 |
- |
2436 |
= |
-3 |
* |
(43 |
/ |
118)
|
= |
-1.09322034 |
| 4 |
2380785 |
2522 |
- |
2485 |
= |
37 |
* |
(48 |
/ |
118)
|
= |
15.05084746 |
| 5 |
2380788 |
2542 |
- |
2528 |
= |
14 |
* |
(27 |
/ |
118)
|
= |
3.20338983 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for New Traditions Elementary
|
17 |
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 |
72703 |
2480 |
- |
2436 |
= |
44 |
* |
(42 |
/ |
131)
|
= |
14.10687023 |
| 4 |
72706 |
2491 |
- |
2485 |
= |
6 |
* |
(42 |
/ |
131)
|
= |
1.92366412 |
| 5 |
72708 |
2572 |
- |
2528 |
= |
44 |
* |
(47 |
/ |
131)
|
= |
15.7862595 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for New Traditions Elementary
|
32 |
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 |
74676 |
2485 |
- |
2436 |
= |
49 |
* |
(41 |
/ |
125)
|
= |
16.072 |
| 4 |
74677 |
2527 |
- |
2485 |
= |
42 |
* |
(42 |
/ |
125)
|
= |
14.112 |
| 5 |
74679 |
2513 |
- |
2528 |
= |
-15 |
* |
(42 |
/ |
125)
|
= |
-5.04 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for New Traditions Elementary
|
25 |
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 |
74850 |
2489 |
- |
2436 |
= |
53 |
* |
(40 |
/ |
115)
|
= |
18.43478256 |
| 4 |
74851 |
2502 |
- |
2485 |
= |
17 |
* |
(39 |
/ |
115)
|
= |
5.76521738 |
| 5 |
74854 |
2539 |
- |
2528 |
= |
11 |
* |
(36 |
/ |
115)
|
= |
3.44347826 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for New Traditions Elementary
|
28 |
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 |
75375 |
2479 |
- |
2436 |
= |
43 |
* |
(43 |
/ |
110)
|
= |
16.80909087 |
| 4 |
75376 |
2482 |
- |
2485 |
= |
-3 |
* |
(33 |
/ |
110)
|
= |
-0.9 |
| 5 |
75377 |
2534 |
- |
2528 |
= |
6 |
* |
(34 |
/ |
110)
|
= |
1.85454545 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for New Traditions Elementary
|
18 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
17
|
32
|
25
|
28
|
18
|
120.0 |
24.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 42.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 6.0
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:
