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 |
968993 |
2420 |
- |
2436 |
= |
-16 |
* |
(21 |
/ |
77)
|
= |
-4.36363635 |
4 |
968994 |
2459 |
- |
2485 |
= |
-26 |
* |
(26 |
/ |
77)
|
= |
-8.77922076 |
5 |
968997 |
2507 |
- |
2528 |
= |
-21 |
* |
(26 |
/ |
77)
|
= |
-7.09090908 |
6 |
968998 |
0 |
- |
2552 |
= |
|
* |
(4 |
/ |
77)
|
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Valley View Elementary
|
-20 |
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 |
30660 |
2454 |
- |
2436 |
= |
18 |
* |
(32 |
/ |
78)
|
= |
7.38461538 |
4 |
30662 |
2499 |
- |
2485 |
= |
14 |
* |
(21 |
/ |
78)
|
= |
3.76923077 |
5 |
30665 |
2545 |
- |
2528 |
= |
17 |
* |
(25 |
/ |
78)
|
= |
5.44871794 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Valley View Elementary
|
17 |
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 |
31226 |
2451 |
- |
2436 |
= |
15 |
* |
(31 |
/ |
81)
|
= |
5.74074074 |
4 |
31228 |
2523 |
- |
2485 |
= |
38 |
* |
(30 |
/ |
81)
|
= |
14.07407406 |
5 |
31229 |
2566 |
- |
2528 |
= |
38 |
* |
(20 |
/ |
81)
|
= |
9.38271604 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Valley View Elementary
|
29 |
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 |
31273 |
2495 |
- |
2436 |
= |
59 |
* |
(30 |
/ |
87)
|
= |
20.34482757 |
4 |
31275 |
2518 |
- |
2485 |
= |
33 |
* |
(26 |
/ |
87)
|
= |
9.86206894 |
5 |
31277 |
2547 |
- |
2528 |
= |
19 |
* |
(31 |
/ |
87)
|
= |
6.77011494 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Valley View 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 |
31448 |
2485 |
- |
2436 |
= |
49 |
* |
(45 |
/ |
96)
|
= |
22.96875 |
4 |
31449 |
2536 |
- |
2485 |
= |
51 |
* |
(26 |
/ |
96)
|
= |
13.81249998 |
5 |
31450 |
2548 |
- |
2528 |
= |
20 |
* |
(25 |
/ |
96)
|
= |
5.20833332 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Valley View Elementary
|
42 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-20
|
17
|
29
|
37
|
42
|
105.0 |
21.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 93.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -51.0
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: