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 |
1946998 |
2403 |
- |
2436 |
= |
-33 |
* |
(191 |
/ |
1219) |
= |
-5.17063166 |
4 |
1947001 |
2430 |
- |
2485 |
= |
-55 |
* |
(175 |
/ |
1219) |
= |
-7.89581623 |
5 |
1947002 |
2448 |
- |
2528 |
= |
-80 |
* |
(160 |
/ |
1219) |
= |
-10.50041016 |
6 |
1947005 |
2489 |
- |
2552 |
= |
-63 |
* |
(199 |
/ |
1219) |
= |
-10.28465953 |
7 |
1947006 |
2504 |
- |
2567 |
= |
-63 |
* |
(169 |
/ |
1219) |
= |
-8.73420836 |
8 |
1947009 |
2510 |
- |
2586 |
= |
-76 |
* |
(172 |
/ |
1219) |
= |
-10.72354384 |
11 |
1947010 |
2527 |
- |
2628 |
= |
-101 |
* |
(153 |
/ |
1219) |
= |
-12.67678422 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Bear Valley Unified
|
-66 |
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 |
59985 |
2404 |
- |
2436 |
= |
-32 |
* |
(147 |
/ |
1203) |
= |
-3.91022442 |
4 |
59986 |
2425 |
- |
2485 |
= |
-60 |
* |
(186 |
/ |
1203) |
= |
-9.27680796 |
5 |
59988 |
2450 |
- |
2528 |
= |
-78 |
* |
(171 |
/ |
1203) |
= |
-11.08728176 |
6 |
59990 |
2490 |
- |
2552 |
= |
-62 |
* |
(158 |
/ |
1203) |
= |
-8.14297584 |
7 |
59993 |
2529 |
- |
2567 |
= |
-38 |
* |
(193 |
/ |
1203) |
= |
-6.09642558 |
8 |
59994 |
2524 |
- |
2586 |
= |
-62 |
* |
(166 |
/ |
1203) |
= |
-8.55527844 |
11 |
59997 |
2535 |
- |
2628 |
= |
-93 |
* |
(182 |
/ |
1203) |
= |
-14.06982539 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Bear Valley Unified
|
-61 |
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 |
61714 |
2420 |
- |
2436 |
= |
-16 |
* |
(186 |
/ |
1328) |
= |
-2.24096384 |
4 |
61717 |
2435 |
- |
2485 |
= |
-50 |
* |
(170 |
/ |
1328) |
= |
-6.4006024 |
5 |
61718 |
2444 |
- |
2528 |
= |
-84 |
* |
(218 |
/ |
1328) |
= |
-13.78915658 |
6 |
61721 |
2498 |
- |
2552 |
= |
-54 |
* |
(192 |
/ |
1328) |
= |
-7.8072289 |
7 |
61722 |
2494 |
- |
2567 |
= |
-73 |
* |
(172 |
/ |
1328) |
= |
-9.45481926 |
8 |
61724 |
2523 |
- |
2586 |
= |
-63 |
* |
(203 |
/ |
1328) |
= |
-9.63027104 |
11 |
61727 |
2542 |
- |
2628 |
= |
-86 |
* |
(187 |
/ |
1328) |
= |
-12.10993976 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Bear Valley Unified
|
-61 |
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 |
61807 |
2435 |
- |
2436 |
= |
-1 |
* |
(165 |
/ |
1273) |
= |
-0.12961508 |
4 |
61809 |
2442 |
- |
2485 |
= |
-43 |
* |
(196 |
/ |
1273) |
= |
-6.6205813 |
5 |
61811 |
2469 |
- |
2528 |
= |
-59 |
* |
(171 |
/ |
1273) |
= |
-7.92537312 |
6 |
61813 |
2486 |
- |
2552 |
= |
-66 |
* |
(210 |
/ |
1273) |
= |
-10.8876669 |
7 |
61815 |
2486 |
- |
2567 |
= |
-81 |
* |
(189 |
/ |
1273) |
= |
-12.02592299 |
8 |
61817 |
2509 |
- |
2586 |
= |
-77 |
* |
(170 |
/ |
1273) |
= |
-10.28279652 |
11 |
61819 |
2538 |
- |
2628 |
= |
-90 |
* |
(172 |
/ |
1273) |
= |
-12.16025136 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Bear Valley Unified
|
-60 |
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 |
62081 |
2430 |
- |
2436 |
= |
-6 |
* |
(167 |
/ |
1245) |
= |
-0.80481928 |
4 |
62082 |
2469 |
- |
2485 |
= |
-16 |
* |
(158 |
/ |
1245) |
= |
-2.03052208 |
5 |
62083 |
2470 |
- |
2528 |
= |
-58 |
* |
(185 |
/ |
1245) |
= |
-8.61847387 |
6 |
62084 |
2498 |
- |
2552 |
= |
-54 |
* |
(166 |
/ |
1245) |
= |
-7.19999998 |
7 |
62085 |
2471 |
- |
2567 |
= |
-96 |
* |
(205 |
/ |
1245) |
= |
-15.80722886 |
8 |
62086 |
2506 |
- |
2586 |
= |
-80 |
* |
(191 |
/ |
1245) |
= |
-12.27309232 |
11 |
62087 |
2555 |
- |
2628 |
= |
-73 |
* |
(173 |
/ |
1245) |
= |
-10.14377508 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Bear Valley Unified
|
-57 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-66
|
-61
|
-61
|
-60
|
-57
|
-305.0 |
-61.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -52.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -70.0
For the lines, you have the data necessary to plot the chart.