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 |
933218 |
2450 |
- |
2436 |
= |
14 |
* |
(63 |
/ |
175)
|
= |
5.04 |
| 4 |
933221 |
2489 |
- |
2485 |
= |
4 |
* |
(50 |
/ |
175)
|
= |
1.14285714 |
| 5 |
933222 |
2507 |
- |
2528 |
= |
-21 |
* |
(62 |
/ |
175)
|
= |
-7.43999999 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mountain View Elementary
|
-1 |
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 |
29510 |
2460 |
- |
2436 |
= |
24 |
* |
(58 |
/ |
157)
|
= |
8.86624202 |
| 4 |
29513 |
2494 |
- |
2485 |
= |
9 |
* |
(55 |
/ |
157)
|
= |
3.15286624 |
| 5 |
29515 |
2495 |
- |
2528 |
= |
-33 |
* |
(44 |
/ |
157)
|
= |
-9.24840764 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mountain View Elementary
|
3 |
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 |
30076 |
2439 |
- |
2436 |
= |
3 |
* |
(50 |
/ |
150)
|
= |
1.0 |
| 4 |
30078 |
2484 |
- |
2485 |
= |
-1 |
* |
(53 |
/ |
150)
|
= |
-0.35333333 |
| 5 |
30079 |
2528 |
- |
2528 |
= |
0 |
* |
(47 |
/ |
150)
|
= |
0.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mountain View Elementary
|
1 |
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 |
30125 |
2434 |
- |
2436 |
= |
-2 |
* |
(51 |
/ |
146)
|
= |
-0.69863014 |
| 4 |
30127 |
2505 |
- |
2485 |
= |
20 |
* |
(44 |
/ |
146)
|
= |
6.02739726 |
| 5 |
30129 |
2512 |
- |
2528 |
= |
-16 |
* |
(51 |
/ |
146)
|
= |
-5.58904109 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mountain View Elementary
|
0 |
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 |
30298 |
2439 |
- |
2436 |
= |
3 |
* |
(60 |
/ |
141)
|
= |
1.27659574 |
| 4 |
30299 |
2503 |
- |
2485 |
= |
18 |
* |
(41 |
/ |
141)
|
= |
5.23404254 |
| 5 |
30300 |
2542 |
- |
2528 |
= |
14 |
* |
(40 |
/ |
141)
|
= |
3.9716312 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mountain View Elementary
|
10 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-1
|
3
|
1
|
0
|
10
|
13.0 |
2.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 15.25
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -8.75
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:
