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 |
356593 |
2361 |
- |
2436 |
= |
-75 |
* |
(316 |
/ |
1879) |
= |
-12.613092 |
4 |
356594 |
2395 |
- |
2485 |
= |
-90 |
* |
(291 |
/ |
1879) |
= |
-13.93826499 |
5 |
356597 |
2430 |
- |
2528 |
= |
-98 |
* |
(291 |
/ |
1879) |
= |
-15.17722188 |
6 |
356598 |
2433 |
- |
2552 |
= |
-119 |
* |
(267 |
/ |
1879) |
= |
-16.90952634 |
7 |
356601 |
2431 |
- |
2567 |
= |
-136 |
* |
(248 |
/ |
1879) |
= |
-17.94997333 |
8 |
356602 |
2434 |
- |
2586 |
= |
-152 |
* |
(253 |
/ |
1879) |
= |
-20.46620538 |
11 |
356605 |
2500 |
- |
2628 |
= |
-128 |
* |
(213 |
/ |
1879) |
= |
-14.50984563 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Parlier Unified
|
-112 |
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 |
10697 |
2378 |
- |
2436 |
= |
-58 |
* |
(225 |
/ |
1806) |
= |
-7.22591359 |
4 |
10699 |
2413 |
- |
2485 |
= |
-72 |
* |
(306 |
/ |
1806) |
= |
-12.19933548 |
5 |
10702 |
2446 |
- |
2528 |
= |
-82 |
* |
(286 |
/ |
1806) |
= |
-12.98560348 |
6 |
10703 |
2434 |
- |
2552 |
= |
-118 |
* |
(282 |
/ |
1806) |
= |
-18.42524912 |
7 |
10706 |
2428 |
- |
2567 |
= |
-139 |
* |
(264 |
/ |
1806) |
= |
-20.31893674 |
8 |
10707 |
2431 |
- |
2586 |
= |
-155 |
* |
(233 |
/ |
1806) |
= |
-19.99723138 |
11 |
10709 |
2497 |
- |
2628 |
= |
-131 |
* |
(210 |
/ |
1806) |
= |
-15.23255804 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Parlier Unified
|
-106 |
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 |
11023 |
2392 |
- |
2436 |
= |
-44 |
* |
(250 |
/ |
1810) |
= |
-6.07734802 |
4 |
11026 |
2423 |
- |
2485 |
= |
-62 |
* |
(233 |
/ |
1810) |
= |
-7.98121542 |
5 |
11028 |
2448 |
- |
2528 |
= |
-80 |
* |
(308 |
/ |
1810) |
= |
-13.6132596 |
6 |
11029 |
2428 |
- |
2552 |
= |
-124 |
* |
(287 |
/ |
1810) |
= |
-19.66187834 |
7 |
11031 |
2423 |
- |
2567 |
= |
-144 |
* |
(263 |
/ |
1810) |
= |
-20.92375685 |
8 |
11034 |
2428 |
- |
2586 |
= |
-158 |
* |
(276 |
/ |
1810) |
= |
-24.09281755 |
11 |
11036 |
2492 |
- |
2628 |
= |
-136 |
* |
(193 |
/ |
1810) |
= |
-14.50165742 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Parlier Unified
|
-107 |
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 |
11035 |
2378 |
- |
2436 |
= |
-58 |
* |
(278 |
/ |
1800) |
= |
-8.95777775 |
4 |
11038 |
2440 |
- |
2485 |
= |
-45 |
* |
(246 |
/ |
1800) |
= |
-6.14999997 |
5 |
11039 |
2452 |
- |
2528 |
= |
-76 |
* |
(228 |
/ |
1800) |
= |
-9.62666662 |
6 |
11041 |
2439 |
- |
2552 |
= |
-113 |
* |
(308 |
/ |
1800) |
= |
-19.33555554 |
7 |
11044 |
2428 |
- |
2567 |
= |
-139 |
* |
(275 |
/ |
1800) |
= |
-21.236111 |
8 |
11045 |
2423 |
- |
2586 |
= |
-163 |
* |
(257 |
/ |
1800) |
= |
-23.27277765 |
11 |
11048 |
2475 |
- |
2628 |
= |
-153 |
* |
(208 |
/ |
1800) |
= |
-17.67999992 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Parlier Unified
|
-106 |
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 |
11113 |
2387 |
- |
2436 |
= |
-49 |
* |
(258 |
/ |
1804) |
= |
-7.00776053 |
4 |
11114 |
2426 |
- |
2485 |
= |
-59 |
* |
(275 |
/ |
1804) |
= |
-8.99390242 |
5 |
11115 |
2458 |
- |
2528 |
= |
-70 |
* |
(246 |
/ |
1804) |
= |
-9.54545452 |
6 |
11116 |
2460 |
- |
2552 |
= |
-92 |
* |
(233 |
/ |
1804) |
= |
-11.88248328 |
7 |
11117 |
2423 |
- |
2567 |
= |
-144 |
* |
(292 |
/ |
1804) |
= |
-23.30820389 |
8 |
11118 |
2417 |
- |
2586 |
= |
-169 |
* |
(267 |
/ |
1804) |
= |
-25.01274935 |
11 |
11119 |
2458 |
- |
2628 |
= |
-170 |
* |
(233 |
/ |
1804) |
= |
-21.95676259 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Parlier Unified
|
-108 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-112
|
-106
|
-107
|
-106
|
-108
|
-539.0 |
-107.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -101.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -113.8
For the lines, you have the data necessary to plot the chart.