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 |
878302 |
2484 |
- |
2436 |
= |
48 |
* |
(70 |
/ |
146)
|
= |
23.01369859 |
4 |
878303 |
2513 |
- |
2485 |
= |
28 |
* |
(64 |
/ |
146)
|
= |
12.27397259 |
5 |
878306 |
2437 |
- |
2528 |
= |
-91 |
* |
(12 |
/ |
146)
|
= |
-7.47945198 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Broadway Elementary
|
28 |
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 |
27786 |
2490 |
- |
2436 |
= |
54 |
* |
(87 |
/ |
202)
|
= |
23.25742573 |
4 |
27789 |
2538 |
- |
2485 |
= |
53 |
* |
(56 |
/ |
202)
|
= |
14.69306927 |
5 |
27790 |
2556 |
- |
2528 |
= |
28 |
* |
(59 |
/ |
202)
|
= |
8.1782178 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Broadway Elementary
|
46 |
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 |
28357 |
2489 |
- |
2436 |
= |
53 |
* |
(110 |
/ |
237)
|
= |
24.59915611 |
4 |
28359 |
2545 |
- |
2485 |
= |
60 |
* |
(81 |
/ |
237)
|
= |
20.50632906 |
5 |
28361 |
2592 |
- |
2528 |
= |
64 |
* |
(46 |
/ |
237)
|
= |
12.42194093 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Broadway Elementary
|
58 |
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 |
28409 |
2491 |
- |
2436 |
= |
55 |
* |
(101 |
/ |
279)
|
= |
19.91039424 |
4 |
28411 |
2546 |
- |
2485 |
= |
61 |
* |
(103 |
/ |
279)
|
= |
22.51971325 |
5 |
28413 |
2601 |
- |
2528 |
= |
73 |
* |
(75 |
/ |
279)
|
= |
19.62365589 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Broadway Elementary
|
62 |
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 |
28588 |
2518 |
- |
2436 |
= |
82 |
* |
(104 |
/ |
279)
|
= |
30.56630819 |
4 |
28589 |
2563 |
- |
2485 |
= |
78 |
* |
(84 |
/ |
279)
|
= |
23.4838709 |
5 |
28590 |
2588 |
- |
2528 |
= |
60 |
* |
(91 |
/ |
279)
|
= |
19.56989244 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Broadway Elementary
|
74 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
28
|
46
|
58
|
62
|
74
|
268.0 |
53.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 104.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 2.6
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: