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 |
87753 |
2472 |
- |
2436 |
= |
36 |
* |
(73 |
/ |
197)
|
= |
13.3401015 |
| 4 |
87756 |
2497 |
- |
2485 |
= |
12 |
* |
(66 |
/ |
197)
|
= |
4.02030456 |
| 5 |
87757 |
2546 |
- |
2528 |
= |
18 |
* |
(58 |
/ |
197)
|
= |
5.29949237 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Crocker Highlands Elementary
|
23 |
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 |
2460 |
2488 |
- |
2436 |
= |
52 |
* |
(71 |
/ |
201)
|
= |
18.36815916 |
| 4 |
2461 |
2515 |
- |
2485 |
= |
30 |
* |
(68 |
/ |
201)
|
= |
10.14925371 |
| 5 |
2464 |
2529 |
- |
2528 |
= |
1 |
* |
(62 |
/ |
201)
|
= |
0.30845771 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Crocker Highlands Elementary
|
29 |
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 |
2531 |
2474 |
- |
2436 |
= |
38 |
* |
(87 |
/ |
231)
|
= |
14.31168829 |
| 4 |
2534 |
2528 |
- |
2485 |
= |
43 |
* |
(74 |
/ |
231)
|
= |
13.77489176 |
| 5 |
2536 |
2536 |
- |
2528 |
= |
8 |
* |
(70 |
/ |
231)
|
= |
2.42424242 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Crocker Highlands Elementary
|
31 |
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 |
2535 |
2479 |
- |
2436 |
= |
43 |
* |
(75 |
/ |
236)
|
= |
13.66525423 |
| 4 |
2538 |
2517 |
- |
2485 |
= |
32 |
* |
(84 |
/ |
236)
|
= |
11.3898305 |
| 5 |
2539 |
2566 |
- |
2528 |
= |
38 |
* |
(77 |
/ |
236)
|
= |
12.39830507 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Crocker Highlands Elementary
|
37 |
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 |
2557 |
2507 |
- |
2436 |
= |
71 |
* |
(75 |
/ |
239)
|
= |
22.2803347 |
| 4 |
2558 |
2527 |
- |
2485 |
= |
42 |
* |
(78 |
/ |
239)
|
= |
13.70711294 |
| 5 |
2559 |
2557 |
- |
2528 |
= |
29 |
* |
(86 |
/ |
239)
|
= |
10.43514642 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Crocker Highlands Elementary
|
46 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
23
|
29
|
31
|
37
|
46
|
166.0 |
33.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 57.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 9.2
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:
