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 |
770103 |
2435 |
- |
2436 |
= |
-1 |
* |
(66 |
/ |
187)
|
= |
-0.35294118 |
4 |
770106 |
2445 |
- |
2485 |
= |
-40 |
* |
(70 |
/ |
187)
|
= |
-14.973262 |
5 |
770107 |
2461 |
- |
2528 |
= |
-67 |
* |
(51 |
/ |
187)
|
= |
-18.27272722 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Holmes 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 |
24163 |
2417 |
- |
2436 |
= |
-19 |
* |
(61 |
/ |
194)
|
= |
-5.97422679 |
4 |
24165 |
2451 |
- |
2485 |
= |
-34 |
* |
(64 |
/ |
194)
|
= |
-11.21649484 |
5 |
24167 |
2460 |
- |
2528 |
= |
-68 |
* |
(69 |
/ |
194)
|
= |
-24.185567 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Holmes Elementary
|
-41 |
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 |
24664 |
2459 |
- |
2436 |
= |
23 |
* |
(60 |
/ |
184)
|
= |
7.49999999 |
4 |
24665 |
2444 |
- |
2485 |
= |
-41 |
* |
(60 |
/ |
184)
|
= |
-13.3695652 |
5 |
24668 |
2474 |
- |
2528 |
= |
-54 |
* |
(64 |
/ |
184)
|
= |
-18.78260864 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Holmes Elementary
|
-25 |
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 |
24686 |
2430 |
- |
2436 |
= |
-6 |
* |
(58 |
/ |
176)
|
= |
-1.97727272 |
4 |
24689 |
2496 |
- |
2485 |
= |
11 |
* |
(54 |
/ |
176)
|
= |
3.37499999 |
5 |
24690 |
2478 |
- |
2528 |
= |
-50 |
* |
(64 |
/ |
176)
|
= |
-18.18181815 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Holmes Elementary
|
-17 |
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 |
24856 |
2453 |
- |
2436 |
= |
17 |
* |
(53 |
/ |
173)
|
= |
5.20809248 |
4 |
24857 |
2479 |
- |
2485 |
= |
-6 |
* |
(62 |
/ |
173)
|
= |
-2.15028901 |
5 |
24858 |
2550 |
- |
2528 |
= |
22 |
* |
(58 |
/ |
173)
|
= |
7.37572253 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Holmes Elementary
|
10 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-34
|
-41
|
-25
|
-17
|
10
|
-107.0 |
-21.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 35.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -78.4
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: