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 |
958745 |
2466 |
- |
2436 |
= |
30 |
* |
(43 |
/ |
156)
|
= |
8.26923075 |
4 |
958746 |
2528 |
- |
2485 |
= |
43 |
* |
(40 |
/ |
156)
|
= |
11.02564101 |
5 |
958749 |
2525 |
- |
2528 |
= |
-3 |
* |
(38 |
/ |
156)
|
= |
-0.73076923 |
6 |
958750 |
2534 |
- |
2552 |
= |
-18 |
* |
(35 |
/ |
156)
|
= |
-4.03846153 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Solano Avenue Elementary
|
15 |
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 |
30337 |
2464 |
- |
2436 |
= |
28 |
* |
(27 |
/ |
143)
|
= |
5.28671326 |
4 |
30339 |
2546 |
- |
2485 |
= |
61 |
* |
(44 |
/ |
143)
|
= |
18.76923073 |
5 |
30340 |
2564 |
- |
2528 |
= |
36 |
* |
(38 |
/ |
143)
|
= |
9.56643354 |
6 |
30343 |
2536 |
- |
2552 |
= |
-16 |
* |
(34 |
/ |
143)
|
= |
-3.80419579 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Solano Avenue Elementary
|
30 |
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 |
30901 |
2489 |
- |
2436 |
= |
53 |
* |
(35 |
/ |
126)
|
= |
14.72222218 |
4 |
30904 |
2514 |
- |
2485 |
= |
29 |
* |
(23 |
/ |
126)
|
= |
5.29365078 |
5 |
30905 |
2563 |
- |
2528 |
= |
35 |
* |
(44 |
/ |
126)
|
= |
12.22222222 |
6 |
30907 |
2551 |
- |
2552 |
= |
-1 |
* |
(24 |
/ |
126)
|
= |
-0.19047619 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Solano Avenue Elementary
|
32 |
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 |
30948 |
2477 |
- |
2436 |
= |
41 |
* |
(49 |
/ |
146)
|
= |
13.76027396 |
4 |
30950 |
2520 |
- |
2485 |
= |
35 |
* |
(38 |
/ |
146)
|
= |
9.10958902 |
5 |
30952 |
2536 |
- |
2528 |
= |
8 |
* |
(25 |
/ |
146)
|
= |
1.36986301 |
6 |
30954 |
2597 |
- |
2552 |
= |
45 |
* |
(34 |
/ |
146)
|
= |
10.47945204 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Solano Avenue Elementary
|
35 |
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 |
31125 |
2449 |
- |
2436 |
= |
13 |
* |
(32 |
/ |
146)
|
= |
2.84931507 |
4 |
31126 |
2498 |
- |
2485 |
= |
13 |
* |
(49 |
/ |
146)
|
= |
4.36301369 |
5 |
31127 |
2536 |
- |
2528 |
= |
8 |
* |
(38 |
/ |
146)
|
= |
2.08219178 |
6 |
31128 |
2539 |
- |
2552 |
= |
-13 |
* |
(27 |
/ |
146)
|
= |
-2.40410958 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Solano Avenue Elementary
|
7 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
15
|
30
|
32
|
35
|
7
|
119.0 |
23.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 59.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -12.2
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: