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 |
2114552 |
2405 |
- |
2436 |
= |
-31 |
* |
(31 |
/ |
226) |
= |
-4.25221237 |
4 |
2114553 |
2435 |
- |
2485 |
= |
-50 |
* |
(38 |
/ |
226) |
= |
-8.4070796 |
5 |
2114556 |
2505 |
- |
2528 |
= |
-23 |
* |
(31 |
/ |
226) |
= |
-3.15486724 |
6 |
2114557 |
2478 |
- |
2552 |
= |
-74 |
* |
(29 |
/ |
226) |
= |
-9.49557522 |
7 |
2114560 |
2495 |
- |
2567 |
= |
-72 |
* |
(27 |
/ |
226) |
= |
-8.60176987 |
8 |
2114561 |
2493 |
- |
2586 |
= |
-93 |
* |
(39 |
/ |
226) |
= |
-16.0486725 |
11 |
2114564 |
2507 |
- |
2628 |
= |
-121 |
* |
(31 |
/ |
226) |
= |
-16.59734506 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Borrego Springs Unified
|
-67 |
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 |
64954 |
2452 |
- |
2436 |
= |
16 |
* |
(24 |
/ |
205) |
= |
1.87317072 |
4 |
64956 |
2450 |
- |
2485 |
= |
-35 |
* |
(31 |
/ |
205) |
= |
-5.29268292 |
5 |
64959 |
2456 |
- |
2528 |
= |
-72 |
* |
(37 |
/ |
205) |
= |
-12.99512189 |
6 |
64960 |
2494 |
- |
2552 |
= |
-58 |
* |
(31 |
/ |
205) |
= |
-8.7707317 |
7 |
64962 |
2501 |
- |
2567 |
= |
-66 |
* |
(26 |
/ |
205) |
= |
-8.37073169 |
8 |
64964 |
2484 |
- |
2586 |
= |
-102 |
* |
(28 |
/ |
205) |
= |
-13.93170723 |
11 |
64966 |
2496 |
- |
2628 |
= |
-132 |
* |
(28 |
/ |
205) |
= |
-18.02926818 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Borrego Springs Unified
|
-66 |
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 |
66760 |
2370 |
- |
2436 |
= |
-66 |
* |
(24 |
/ |
212) |
= |
-7.4716981 |
4 |
66762 |
2469 |
- |
2485 |
= |
-16 |
* |
(23 |
/ |
212) |
= |
-1.73584906 |
5 |
66765 |
2472 |
- |
2528 |
= |
-56 |
* |
(33 |
/ |
212) |
= |
-8.71698111 |
6 |
66766 |
2453 |
- |
2552 |
= |
-99 |
* |
(36 |
/ |
212) |
= |
-16.81132068 |
7 |
66769 |
2493 |
- |
2567 |
= |
-74 |
* |
(32 |
/ |
212) |
= |
-11.1698113 |
8 |
66771 |
2470 |
- |
2586 |
= |
-116 |
* |
(28 |
/ |
212) |
= |
-15.32075464 |
11 |
66773 |
2538 |
- |
2628 |
= |
-90 |
* |
(36 |
/ |
212) |
= |
-15.2830188 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Borrego Springs Unified
|
-77 |
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 |
66849 |
2381 |
- |
2436 |
= |
-55 |
* |
(29 |
/ |
211) |
= |
-7.55924169 |
4 |
66850 |
2435 |
- |
2485 |
= |
-50 |
* |
(28 |
/ |
211) |
= |
-6.63507105 |
5 |
66853 |
2490 |
- |
2528 |
= |
-38 |
* |
(27 |
/ |
211) |
= |
-4.86255923 |
6 |
66854 |
2482 |
- |
2552 |
= |
-70 |
* |
(29 |
/ |
211) |
= |
-9.62085306 |
7 |
66857 |
2484 |
- |
2567 |
= |
-83 |
* |
(34 |
/ |
211) |
= |
-13.37440752 |
8 |
66858 |
2516 |
- |
2586 |
= |
-70 |
* |
(28 |
/ |
211) |
= |
-9.28909947 |
11 |
66861 |
2520 |
- |
2628 |
= |
-108 |
* |
(36 |
/ |
211) |
= |
-18.4265402 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Borrego Springs Unified
|
-70 |
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 |
67371 |
2375 |
- |
2436 |
= |
-61 |
* |
(28 |
/ |
196) |
= |
-8.71428566 |
4 |
67372 |
2443 |
- |
2485 |
= |
-42 |
* |
(29 |
/ |
196) |
= |
-6.21428569 |
5 |
67373 |
2467 |
- |
2528 |
= |
-61 |
* |
(27 |
/ |
196) |
= |
-8.40306122 |
6 |
67374 |
2462 |
- |
2552 |
= |
-90 |
* |
(24 |
/ |
196) |
= |
-11.02040811 |
7 |
67375 |
2476 |
- |
2567 |
= |
-91 |
* |
(28 |
/ |
196) |
= |
-12.99999992 |
8 |
67376 |
2451 |
- |
2586 |
= |
-135 |
* |
(33 |
/ |
196) |
= |
-22.72959171 |
11 |
67377 |
2528 |
- |
2628 |
= |
-100 |
* |
(27 |
/ |
196) |
= |
-13.7755102 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Borrego Springs Unified
|
-84 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-67
|
-66
|
-77
|
-70
|
-84
|
-364.0 |
-72.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -51.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -93.8
For the lines, you have the data necessary to plot the chart.