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 |
1474746 |
2455 |
- |
2436 |
= |
19 |
* |
(69 |
/ |
279)
|
= |
4.69892471 |
| 4 |
1474749 |
2474 |
- |
2485 |
= |
-11 |
* |
(70 |
/ |
279)
|
= |
-2.75985663 |
| 5 |
1474750 |
2539 |
- |
2528 |
= |
11 |
* |
(67 |
/ |
279)
|
= |
2.64157706 |
| 6 |
1474753 |
2555 |
- |
2552 |
= |
3 |
* |
(73 |
/ |
279)
|
= |
0.78494624 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for John Murdy Elementary
|
5 |
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 |
46311 |
2500 |
- |
2436 |
= |
64 |
* |
(57 |
/ |
261)
|
= |
13.97701146 |
| 4 |
46312 |
2511 |
- |
2485 |
= |
26 |
* |
(68 |
/ |
261)
|
= |
6.77394635 |
| 5 |
46314 |
2528 |
- |
2528 |
= |
0 |
* |
(68 |
/ |
261)
|
= |
0.0 |
| 6 |
46317 |
2591 |
- |
2552 |
= |
39 |
* |
(68 |
/ |
261)
|
= |
10.16091952 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for John Murdy Elementary
|
31 |
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 |
47553 |
2492 |
- |
2436 |
= |
56 |
* |
(63 |
/ |
258)
|
= |
13.67441858 |
| 4 |
47555 |
2524 |
- |
2485 |
= |
39 |
* |
(58 |
/ |
258)
|
= |
8.76744184 |
| 5 |
47556 |
2557 |
- |
2528 |
= |
29 |
* |
(68 |
/ |
258)
|
= |
7.64341084 |
| 6 |
47559 |
2566 |
- |
2552 |
= |
14 |
* |
(69 |
/ |
258)
|
= |
3.74418604 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for John Murdy Elementary
|
34 |
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 |
47563 |
2477 |
- |
2436 |
= |
41 |
* |
(56 |
/ |
253)
|
= |
9.07509879 |
| 4 |
47564 |
2512 |
- |
2485 |
= |
27 |
* |
(63 |
/ |
253)
|
= |
6.72332014 |
| 5 |
47567 |
2546 |
- |
2528 |
= |
18 |
* |
(61 |
/ |
253)
|
= |
4.33992094 |
| 6 |
47568 |
2582 |
- |
2552 |
= |
30 |
* |
(73 |
/ |
253)
|
= |
8.65612647 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for John Murdy Elementary
|
29 |
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 |
47746 |
2490 |
- |
2436 |
= |
54 |
* |
(50 |
/ |
243)
|
= |
11.11111106 |
| 4 |
47747 |
2500 |
- |
2485 |
= |
15 |
* |
(64 |
/ |
243)
|
= |
3.95061728 |
| 5 |
47748 |
2565 |
- |
2528 |
= |
37 |
* |
(65 |
/ |
243)
|
= |
9.89711931 |
| 6 |
47749 |
2577 |
- |
2552 |
= |
25 |
* |
(64 |
/ |
243)
|
= |
6.58436213 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for John Murdy Elementary
|
32 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
5
|
31
|
34
|
29
|
32
|
131.0 |
26.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 59.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -6.8
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:
