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 |
3097675 |
2404 |
- |
2436 |
= |
-32 |
* |
(23 |
/ |
175) |
= |
-4.20571427 |
4 |
3097678 |
2419 |
- |
2485 |
= |
-66 |
* |
(24 |
/ |
175) |
= |
-9.05142856 |
5 |
3097679 |
2436 |
- |
2528 |
= |
-92 |
* |
(29 |
/ |
175) |
= |
-15.24571422 |
6 |
3097682 |
2486 |
- |
2552 |
= |
-66 |
* |
(33 |
/ |
175) |
= |
-12.44571425 |
7 |
3097683 |
2500 |
- |
2567 |
= |
-67 |
* |
(24 |
/ |
175) |
= |
-9.18857142 |
8 |
3097686 |
2462 |
- |
2586 |
= |
-124 |
* |
(22 |
/ |
175) |
= |
-15.58857134 |
11 |
3097687 |
2512 |
- |
2628 |
= |
-116 |
* |
(20 |
/ |
175) |
= |
-13.25714282 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Big Oak Flat-Groveland Unified
|
-79 |
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 |
95492 |
2421 |
- |
2436 |
= |
-15 |
* |
(20 |
/ |
158) |
= |
-1.89873417 |
4 |
95495 |
2424 |
- |
2485 |
= |
-61 |
* |
(24 |
/ |
158) |
= |
-9.26582277 |
5 |
95496 |
2412 |
- |
2528 |
= |
-116 |
* |
(26 |
/ |
158) |
= |
-19.08860759 |
6 |
95498 |
2457 |
- |
2552 |
= |
-95 |
* |
(17 |
/ |
158) |
= |
-10.22151892 |
7 |
95501 |
2513 |
- |
2567 |
= |
-54 |
* |
(27 |
/ |
158) |
= |
-9.22784805 |
8 |
95502 |
2520 |
- |
2586 |
= |
-66 |
* |
(22 |
/ |
158) |
= |
-9.1898734 |
11 |
95505 |
2500 |
- |
2628 |
= |
-128 |
* |
(22 |
/ |
158) |
= |
-17.82278477 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Big Oak Flat-Groveland Unified
|
-77 |
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 |
98270 |
2371 |
- |
2436 |
= |
-65 |
* |
(20 |
/ |
147) |
= |
-8.84353737 |
4 |
98271 |
2433 |
- |
2485 |
= |
-52 |
* |
(18 |
/ |
147) |
= |
-6.36734691 |
5 |
98274 |
2481 |
- |
2528 |
= |
-47 |
* |
(24 |
/ |
147) |
= |
-7.67346938 |
6 |
98275 |
2422 |
- |
2552 |
= |
-130 |
* |
(24 |
/ |
147) |
= |
-21.22448978 |
7 |
98277 |
2434 |
- |
2567 |
= |
-133 |
* |
(22 |
/ |
147) |
= |
-19.90476178 |
8 |
98280 |
2451 |
- |
2586 |
= |
-135 |
* |
(19 |
/ |
147) |
= |
-17.4489795 |
11 |
98282 |
2507 |
- |
2628 |
= |
-121 |
* |
(20 |
/ |
147) |
= |
-16.46258494 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Big Oak Flat-Groveland Unified
|
-98 |
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 |
98431 |
2379 |
- |
2436 |
= |
-57 |
* |
(29 |
/ |
161) |
= |
-10.26708071 |
4 |
98432 |
2407 |
- |
2485 |
= |
-78 |
* |
(17 |
/ |
161) |
= |
-8.23602484 |
5 |
98435 |
2477 |
- |
2528 |
= |
-51 |
* |
(17 |
/ |
161) |
= |
-5.38509316 |
6 |
98436 |
2507 |
- |
2552 |
= |
-45 |
* |
(25 |
/ |
161) |
= |
-6.98757764 |
7 |
98439 |
2450 |
- |
2567 |
= |
-117 |
* |
(25 |
/ |
161) |
= |
-18.16770185 |
8 |
98440 |
2451 |
- |
2586 |
= |
-135 |
* |
(18 |
/ |
161) |
= |
-15.09316767 |
11 |
98443 |
2449 |
- |
2628 |
= |
-179 |
* |
(30 |
/ |
161) |
= |
-33.35403714 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Big Oak Flat-Groveland Unified
|
-97 |
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 |
99097 |
2397 |
- |
2436 |
= |
-39 |
* |
(18 |
/ |
160) |
= |
-4.3875 |
4 |
99098 |
2428 |
- |
2485 |
= |
-57 |
* |
(31 |
/ |
160) |
= |
-11.04375 |
5 |
99099 |
2441 |
- |
2528 |
= |
-87 |
* |
(16 |
/ |
160) |
= |
-8.7 |
6 |
99100 |
2468 |
- |
2552 |
= |
-84 |
* |
(18 |
/ |
160) |
= |
-9.45 |
7 |
99101 |
2472 |
- |
2567 |
= |
-95 |
* |
(29 |
/ |
160) |
= |
-17.21875 |
8 |
99102 |
2471 |
- |
2586 |
= |
-115 |
* |
(21 |
/ |
160) |
= |
-15.09375 |
11 |
99103 |
2450 |
- |
2628 |
= |
-178 |
* |
(27 |
/ |
160) |
= |
-30.0375 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Big Oak Flat-Groveland Unified
|
-96 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-79
|
-77
|
-98
|
-97
|
-96
|
-447.0 |
-89.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -59.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -119.4
For the lines, you have the data necessary to plot the chart.