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 |
933464 |
2487 |
- |
2436 |
= |
51 |
* |
(72 |
/ |
185)
|
= |
19.84864864 |
| 4 |
933467 |
2522 |
- |
2485 |
= |
37 |
* |
(53 |
/ |
185)
|
= |
10.59999998 |
| 5 |
933468 |
2531 |
- |
2528 |
= |
3 |
* |
(47 |
/ |
185)
|
= |
0.76216216 |
| 6 |
933471 |
2516 |
- |
2552 |
= |
-36 |
* |
(13 |
/ |
185)
|
= |
-2.52972972 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mt. Washington Elementary
|
29 |
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 |
29519 |
2473 |
- |
2436 |
= |
37 |
* |
(69 |
/ |
197)
|
= |
12.95939086 |
| 4 |
29520 |
2533 |
- |
2485 |
= |
48 |
* |
(67 |
/ |
197)
|
= |
16.32487306 |
| 5 |
29522 |
2555 |
- |
2528 |
= |
27 |
* |
(42 |
/ |
197)
|
= |
5.75634516 |
| 6 |
29524 |
2539 |
- |
2552 |
= |
-13 |
* |
(19 |
/ |
197)
|
= |
-1.2538071 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mt. Washington Elementary
|
34 |
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 |
30083 |
2485 |
- |
2436 |
= |
49 |
* |
(59 |
/ |
209)
|
= |
13.83253585 |
| 4 |
30086 |
2503 |
- |
2485 |
= |
18 |
* |
(64 |
/ |
209)
|
= |
5.51196171 |
| 5 |
30087 |
2564 |
- |
2528 |
= |
36 |
* |
(57 |
/ |
209)
|
= |
9.81818179 |
| 6 |
30090 |
2596 |
- |
2552 |
= |
44 |
* |
(29 |
/ |
209)
|
= |
6.10526312 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mt. Washington Elementary
|
35 |
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 |
30133 |
2473 |
- |
2436 |
= |
37 |
* |
(68 |
/ |
202)
|
= |
12.45544553 |
| 4 |
30135 |
2532 |
- |
2485 |
= |
47 |
* |
(58 |
/ |
202)
|
= |
13.49504946 |
| 5 |
30137 |
2533 |
- |
2528 |
= |
5 |
* |
(64 |
/ |
202)
|
= |
1.58415842 |
| 6 |
30139 |
2563 |
- |
2552 |
= |
11 |
* |
(12 |
/ |
202)
|
= |
0.65346534 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mt. Washington 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 |
30307 |
2480 |
- |
2436 |
= |
44 |
* |
(74 |
/ |
213)
|
= |
15.28638496 |
| 4 |
30308 |
2513 |
- |
2485 |
= |
28 |
* |
(69 |
/ |
213)
|
= |
9.07042251 |
| 5 |
30309 |
2550 |
- |
2528 |
= |
22 |
* |
(54 |
/ |
213)
|
= |
5.57746477 |
| 6 |
30310 |
2570 |
- |
2552 |
= |
18 |
* |
(16 |
/ |
213)
|
= |
1.35211266 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mt. Washington Elementary
|
31 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
29
|
34
|
35
|
28
|
31
|
157.0 |
31.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 40.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 22.4
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:
