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 |
946817 |
2414 |
- |
2436 |
= |
-22 |
* |
(54 |
/ |
166)
|
= |
-7.15662649 |
| 4 |
946818 |
2413 |
- |
2485 |
= |
-72 |
* |
(53 |
/ |
166)
|
= |
-22.98795178 |
| 5 |
946821 |
2466 |
- |
2528 |
= |
-62 |
* |
(59 |
/ |
166)
|
= |
-22.03614453 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Queen Anne Place Elementary
|
-52 |
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 |
29949 |
2411 |
- |
2436 |
= |
-25 |
* |
(61 |
/ |
166)
|
= |
-9.18674698 |
| 4 |
29950 |
2455 |
- |
2485 |
= |
-30 |
* |
(53 |
/ |
166)
|
= |
-9.57831324 |
| 5 |
29953 |
2462 |
- |
2528 |
= |
-66 |
* |
(52 |
/ |
166)
|
= |
-20.67469879 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Queen Anne Place Elementary
|
-39 |
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 |
30514 |
2419 |
- |
2436 |
= |
-17 |
* |
(71 |
/ |
180)
|
= |
-6.70555555 |
| 4 |
30516 |
2493 |
- |
2485 |
= |
8 |
* |
(55 |
/ |
180)
|
= |
2.44444444 |
| 5 |
30517 |
2502 |
- |
2528 |
= |
-26 |
* |
(54 |
/ |
180)
|
= |
-7.8 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Queen Anne Place Elementary
|
-12 |
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 |
30564 |
2462 |
- |
2436 |
= |
26 |
* |
(60 |
/ |
180)
|
= |
8.66666666 |
| 4 |
30566 |
2499 |
- |
2485 |
= |
14 |
* |
(69 |
/ |
180)
|
= |
5.36666666 |
| 5 |
30568 |
2514 |
- |
2528 |
= |
-14 |
* |
(51 |
/ |
180)
|
= |
-3.96666666 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Queen Anne Place Elementary
|
10 |
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 |
30740 |
2431 |
- |
2436 |
= |
-5 |
* |
(54 |
/ |
196)
|
= |
-1.37755102 |
| 4 |
30741 |
2512 |
- |
2485 |
= |
27 |
* |
(68 |
/ |
196)
|
= |
9.36734693 |
| 5 |
30742 |
2515 |
- |
2528 |
= |
-13 |
* |
(74 |
/ |
196)
|
= |
-4.90816326 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Queen Anne Place Elementary
|
3 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-52
|
-39
|
-12
|
10
|
3
|
-90.0 |
-18.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 60.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -96.0
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:
