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 |
92756 |
2483 |
- |
2436 |
= |
47 |
* |
(106 |
/ |
271)
|
= |
18.38376382 |
| 4 |
92757 |
2501 |
- |
2485 |
= |
16 |
* |
(81 |
/ |
271)
|
= |
4.78228781 |
| 5 |
92760 |
2590 |
- |
2528 |
= |
62 |
* |
(84 |
/ |
271)
|
= |
19.21771214 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Montclair Elementary
|
42 |
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 |
2609 |
2494 |
- |
2436 |
= |
58 |
* |
(106 |
/ |
282)
|
= |
21.80141839 |
| 4 |
2611 |
2511 |
- |
2485 |
= |
26 |
* |
(107 |
/ |
282)
|
= |
9.86524822 |
| 5 |
2614 |
2542 |
- |
2528 |
= |
14 |
* |
(69 |
/ |
282)
|
= |
3.42553191 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Montclair Elementary
|
35 |
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 |
2682 |
2488 |
- |
2436 |
= |
52 |
* |
(98 |
/ |
306)
|
= |
16.65359472 |
| 4 |
2683 |
2503 |
- |
2485 |
= |
18 |
* |
(104 |
/ |
306)
|
= |
6.11764706 |
| 5 |
2685 |
2563 |
- |
2528 |
= |
35 |
* |
(104 |
/ |
306)
|
= |
11.89542484 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Montclair 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 |
2686 |
2477 |
- |
2436 |
= |
41 |
* |
(98 |
/ |
302)
|
= |
13.30463575 |
| 4 |
2688 |
2511 |
- |
2485 |
= |
26 |
* |
(104 |
/ |
302)
|
= |
8.95364236 |
| 5 |
2690 |
2560 |
- |
2528 |
= |
32 |
* |
(100 |
/ |
302)
|
= |
10.59602646 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Montclair Elementary
|
33 |
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 |
2707 |
2497 |
- |
2436 |
= |
61 |
* |
(102 |
/ |
317)
|
= |
19.62776022 |
| 4 |
2708 |
2513 |
- |
2485 |
= |
28 |
* |
(107 |
/ |
317)
|
= |
9.4511041 |
| 5 |
2709 |
2552 |
- |
2528 |
= |
24 |
* |
(108 |
/ |
317)
|
= |
8.17665614 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Montclair Elementary
|
37 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
42
|
35
|
35
|
33
|
37
|
182.0 |
36.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 45.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 27.4
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:
