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 |
2853239 |
2392 |
- |
2436 |
= |
-44 |
* |
(240 |
/ |
995) |
= |
-10.61306532 |
4 |
2853240 |
2411 |
- |
2485 |
= |
-74 |
* |
(267 |
/ |
995) |
= |
-19.85728639 |
5 |
2853243 |
2444 |
- |
2528 |
= |
-84 |
* |
(261 |
/ |
995) |
= |
-22.03417079 |
6 |
2853244 |
2486 |
- |
2552 |
= |
-66 |
* |
(227 |
/ |
995) |
= |
-15.0572864 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Bellevue Union
|
-68 |
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 |
87217 |
2404 |
- |
2436 |
= |
-32 |
* |
(211 |
/ |
977) |
= |
-6.91095187 |
4 |
87219 |
2423 |
- |
2485 |
= |
-62 |
* |
(247 |
/ |
977) |
= |
-15.67451376 |
5 |
87221 |
2447 |
- |
2528 |
= |
-81 |
* |
(265 |
/ |
977) |
= |
-21.97031729 |
6 |
87222 |
2506 |
- |
2552 |
= |
-46 |
* |
(252 |
/ |
977) |
= |
-11.86489252 |
8 |
87225 |
0 |
- |
2586 |
= |
|
* |
(2 |
/ |
977) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Bellevue Union
|
-56 |
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 |
89688 |
2411 |
- |
2436 |
= |
-25 |
* |
(259 |
/ |
962) |
= |
-6.73076923 |
4 |
89689 |
2428 |
- |
2485 |
= |
-57 |
* |
(203 |
/ |
962) |
= |
-12.02806653 |
5 |
89691 |
2460 |
- |
2528 |
= |
-68 |
* |
(250 |
/ |
962) |
= |
-17.67151761 |
6 |
89694 |
2495 |
- |
2552 |
= |
-57 |
* |
(250 |
/ |
962) |
= |
-14.81288976 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Bellevue Union
|
-51 |
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 |
89897 |
2398 |
- |
2436 |
= |
-38 |
* |
(243 |
/ |
1029) |
= |
-8.97376091 |
4 |
89898 |
2428 |
- |
2485 |
= |
-57 |
* |
(243 |
/ |
1029) |
= |
-13.46064137 |
5 |
89901 |
2446 |
- |
2528 |
= |
-82 |
* |
(197 |
/ |
1029) |
= |
-15.69873657 |
6 |
89902 |
2501 |
- |
2552 |
= |
-51 |
* |
(251 |
/ |
1029) |
= |
-12.44023319 |
7 |
89905 |
2513 |
- |
2567 |
= |
-54 |
* |
(48 |
/ |
1029) |
= |
-2.51895042 |
8 |
89906 |
2515 |
- |
2586 |
= |
-71 |
* |
(31 |
/ |
1029) |
= |
-2.13896986 |
11 |
89909 |
2510 |
- |
2628 |
= |
-118 |
* |
(16 |
/ |
1029) |
= |
-1.83479097 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Bellevue Union
|
-57 |
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 |
90535 |
2400 |
- |
2436 |
= |
-36 |
* |
(229 |
/ |
888) |
= |
-9.28378375 |
4 |
90536 |
2417 |
- |
2485 |
= |
-68 |
* |
(229 |
/ |
888) |
= |
-17.53603598 |
5 |
90537 |
2462 |
- |
2528 |
= |
-66 |
* |
(239 |
/ |
888) |
= |
-17.7635135 |
6 |
90538 |
2509 |
- |
2552 |
= |
-43 |
* |
(191 |
/ |
888) |
= |
-9.24887387 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Bellevue Union
|
-54 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-68
|
-56
|
-51
|
-57
|
-54
|
-286.0 |
-57.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -39.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -75.2
For the lines, you have the data necessary to plot the chart.