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 |
2372366 |
2500 |
- |
2436 |
= |
64 |
* |
(63 |
/ |
187)
|
= |
21.56149728 |
| 4 |
2372369 |
2506 |
- |
2485 |
= |
21 |
* |
(62 |
/ |
187)
|
= |
6.96256684 |
| 5 |
2372370 |
2545 |
- |
2528 |
= |
17 |
* |
(62 |
/ |
187)
|
= |
5.63636363 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Sherman Elementary
|
34 |
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 |
72467 |
2476 |
- |
2436 |
= |
40 |
* |
(62 |
/ |
184)
|
= |
13.47826084 |
| 4 |
72469 |
2527 |
- |
2485 |
= |
42 |
* |
(58 |
/ |
184)
|
= |
13.23913042 |
| 5 |
72471 |
2540 |
- |
2528 |
= |
12 |
* |
(64 |
/ |
184)
|
= |
4.17391303 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Sherman 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 |
74442 |
2508 |
- |
2436 |
= |
72 |
* |
(59 |
/ |
172)
|
= |
24.69767436 |
| 4 |
74444 |
2514 |
- |
2485 |
= |
29 |
* |
(60 |
/ |
172)
|
= |
10.11627906 |
| 5 |
74445 |
2555 |
- |
2528 |
= |
27 |
* |
(53 |
/ |
172)
|
= |
8.31976742 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Sherman Elementary
|
43 |
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 |
74616 |
2492 |
- |
2436 |
= |
56 |
* |
(58 |
/ |
172)
|
= |
18.88372091 |
| 4 |
74617 |
2527 |
- |
2485 |
= |
42 |
* |
(62 |
/ |
172)
|
= |
15.13953487 |
| 5 |
74620 |
2538 |
- |
2528 |
= |
10 |
* |
(52 |
/ |
172)
|
= |
3.02325581 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Sherman 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 |
75141 |
2464 |
- |
2436 |
= |
28 |
* |
(67 |
/ |
184)
|
= |
10.19565215 |
| 4 |
75142 |
2501 |
- |
2485 |
= |
16 |
* |
(57 |
/ |
184)
|
= |
4.95652173 |
| 5 |
75143 |
2549 |
- |
2528 |
= |
21 |
* |
(60 |
/ |
184)
|
= |
6.84782608 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Sherman Elementary
|
22 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
34
|
31
|
43
|
37
|
22
|
167.0 |
33.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 54.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 12.4
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:
