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 |
2251777 |
2493 |
- |
2436 |
= |
57 |
* |
(86 |
/ |
235)
|
= |
20.85957442 |
| 4 |
2251778 |
2523 |
- |
2485 |
= |
38 |
* |
(72 |
/ |
235)
|
= |
11.64255316 |
| 5 |
2251781 |
2560 |
- |
2528 |
= |
32 |
* |
(77 |
/ |
235)
|
= |
10.48510637 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Holmes Elementary
|
43 |
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 |
69106 |
2522 |
- |
2436 |
= |
86 |
* |
(82 |
/ |
251)
|
= |
28.09561752 |
| 4 |
69107 |
2523 |
- |
2485 |
= |
38 |
* |
(90 |
/ |
251)
|
= |
13.62549801 |
| 5 |
69109 |
2558 |
- |
2528 |
= |
30 |
* |
(79 |
/ |
251)
|
= |
9.44223105 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Holmes Elementary
|
51 |
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 |
70939 |
2526 |
- |
2436 |
= |
90 |
* |
(93 |
/ |
265)
|
= |
31.58490564 |
| 4 |
70941 |
2553 |
- |
2485 |
= |
68 |
* |
(83 |
/ |
265)
|
= |
21.2981132 |
| 5 |
70942 |
2576 |
- |
2528 |
= |
48 |
* |
(89 |
/ |
265)
|
= |
16.12075469 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Holmes Elementary
|
69 |
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 |
71083 |
2529 |
- |
2436 |
= |
93 |
* |
(93 |
/ |
272)
|
= |
31.79779405 |
| 4 |
71085 |
2535 |
- |
2485 |
= |
50 |
* |
(95 |
/ |
272)
|
= |
17.46323525 |
| 5 |
71087 |
2591 |
- |
2528 |
= |
63 |
* |
(84 |
/ |
272)
|
= |
19.45588233 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Holmes Elementary
|
69 |
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 |
71571 |
2506 |
- |
2436 |
= |
70 |
* |
(91 |
/ |
275)
|
= |
23.1636363 |
| 4 |
71572 |
2556 |
- |
2485 |
= |
71 |
* |
(87 |
/ |
275)
|
= |
22.46181816 |
| 5 |
71573 |
2580 |
- |
2528 |
= |
52 |
* |
(97 |
/ |
275)
|
= |
18.34181814 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Holmes Elementary
|
64 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
43
|
51
|
69
|
69
|
64
|
296.0 |
59.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 92.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 26.2
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:
