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 |
919313 |
2464 |
- |
2436 |
= |
28 |
* |
(155 |
/ |
469)
|
= |
9.25373134 |
4 |
919314 |
2519 |
- |
2485 |
= |
34 |
* |
(168 |
/ |
469)
|
= |
12.17910447 |
5 |
919317 |
2542 |
- |
2528 |
= |
14 |
* |
(146 |
/ |
469)
|
= |
4.35820895 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Kester Avenue Elementary
|
26 |
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 |
29064 |
2489 |
- |
2436 |
= |
53 |
* |
(136 |
/ |
458)
|
= |
15.73799124 |
4 |
29066 |
2507 |
- |
2485 |
= |
22 |
* |
(165 |
/ |
458)
|
= |
7.92576418 |
5 |
29069 |
2543 |
- |
2528 |
= |
15 |
* |
(157 |
/ |
458)
|
= |
5.14192139 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Kester Avenue Elementary
|
29 |
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 |
29630 |
2477 |
- |
2436 |
= |
41 |
* |
(165 |
/ |
467)
|
= |
14.48608134 |
4 |
29632 |
2524 |
- |
2485 |
= |
39 |
* |
(146 |
/ |
467)
|
= |
12.19271945 |
5 |
29633 |
2539 |
- |
2528 |
= |
11 |
* |
(156 |
/ |
467)
|
= |
3.6745182 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Kester Avenue Elementary
|
30 |
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 |
29678 |
2486 |
- |
2436 |
= |
50 |
* |
(144 |
/ |
458)
|
= |
15.720524 |
4 |
29680 |
2520 |
- |
2485 |
= |
35 |
* |
(171 |
/ |
458)
|
= |
13.06768558 |
5 |
29682 |
2545 |
- |
2528 |
= |
17 |
* |
(143 |
/ |
458)
|
= |
5.30786026 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Kester Avenue Elementary
|
34 |
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 |
29854 |
2495 |
- |
2436 |
= |
59 |
* |
(175 |
/ |
484)
|
= |
21.33264457 |
4 |
29855 |
2541 |
- |
2485 |
= |
56 |
* |
(142 |
/ |
484)
|
= |
16.42975202 |
5 |
29856 |
2556 |
- |
2528 |
= |
28 |
* |
(167 |
/ |
484)
|
= |
9.66115702 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Kester Avenue Elementary
|
47 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
26
|
29
|
30
|
34
|
47
|
166.0 |
33.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 57.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 9.2
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: