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 |
2851825 |
2459 |
- |
2436 |
= |
23 |
* |
(17 |
/ |
68) |
= |
5.75 |
4 |
2851826 |
2475 |
- |
2485 |
= |
-10 |
* |
(17 |
/ |
68) |
= |
-2.5 |
5 |
2851829 |
2538 |
- |
2528 |
= |
10 |
* |
(16 |
/ |
68) |
= |
2.35294117 |
6 |
2851830 |
2598 |
- |
2552 |
= |
46 |
* |
(18 |
/ |
68) |
= |
12.17647057 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Alexander Valley Union Elementary
|
18 |
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 |
87181 |
2447 |
- |
2436 |
= |
11 |
* |
(19 |
/ |
62) |
= |
3.37096773 |
4 |
87183 |
2479 |
- |
2485 |
= |
-6 |
* |
(15 |
/ |
62) |
= |
-1.4516129 |
5 |
87184 |
2528 |
- |
2528 |
= |
0 |
* |
(16 |
/ |
62) |
= |
0.0 |
6 |
87187 |
2609 |
- |
2552 |
= |
57 |
* |
(12 |
/ |
62) |
= |
11.03225806 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Alexander Valley Union Elementary
|
13 |
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 |
89636 |
2458 |
- |
2436 |
= |
22 |
* |
(16 |
/ |
65) |
= |
5.41538461 |
4 |
89638 |
2477 |
- |
2485 |
= |
-8 |
* |
(18 |
/ |
65) |
= |
-2.21538461 |
5 |
89640 |
2485 |
- |
2528 |
= |
-43 |
* |
(17 |
/ |
65) |
= |
-11.24615382 |
6 |
89642 |
2608 |
- |
2552 |
= |
56 |
* |
(14 |
/ |
65) |
= |
12.06153844 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Alexander Valley Union Elementary
|
4 |
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 |
89847 |
2462 |
- |
2436 |
= |
26 |
* |
(17 |
/ |
59) |
= |
7.49152542 |
4 |
89849 |
2497 |
- |
2485 |
= |
12 |
* |
(11 |
/ |
59) |
= |
2.23728812 |
5 |
89850 |
2522 |
- |
2528 |
= |
-6 |
* |
(17 |
/ |
59) |
= |
-1.72881356 |
6 |
89852 |
2564 |
- |
2552 |
= |
12 |
* |
(14 |
/ |
59) |
= |
2.84745762 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Alexander Valley Union Elementary
|
11 |
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 |
90475 |
2457 |
- |
2436 |
= |
21 |
* |
(15 |
/ |
56) |
= |
5.62499998 |
4 |
90476 |
2526 |
- |
2485 |
= |
41 |
* |
(14 |
/ |
56) |
= |
10.25 |
5 |
90477 |
2562 |
- |
2528 |
= |
34 |
* |
(11 |
/ |
56) |
= |
6.67857141 |
6 |
90478 |
2607 |
- |
2552 |
= |
55 |
* |
(16 |
/ |
56) |
= |
15.71428568 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Alexander Valley Union Elementary
|
38 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
18
|
13
|
4
|
11
|
38
|
84.0 |
16.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 52.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -19.2
For the lines, you have the data necessary to plot the chart.