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 |
2917821 |
2410 |
- |
2436 |
= |
-26 |
* |
(1071 |
/ |
7016) |
= |
-3.96892816 |
4 |
2917822 |
2424 |
- |
2485 |
= |
-61 |
* |
(1011 |
/ |
7016) |
= |
-8.79005126 |
5 |
2917825 |
2446 |
- |
2528 |
= |
-82 |
* |
(972 |
/ |
7016) |
= |
-11.3603192 |
6 |
2917826 |
2495 |
- |
2552 |
= |
-57 |
* |
(1022 |
/ |
7016) |
= |
-8.30302162 |
7 |
2917829 |
2487 |
- |
2567 |
= |
-80 |
* |
(1017 |
/ |
7016) |
= |
-11.59635112 |
8 |
2917830 |
2509 |
- |
2586 |
= |
-77 |
* |
(983 |
/ |
7016) |
= |
-10.78834087 |
11 |
2917833 |
2537 |
- |
2628 |
= |
-91 |
* |
(940 |
/ |
7016) |
= |
-12.19213223 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ceres 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 |
89320 |
2408 |
- |
2436 |
= |
-28 |
* |
(1073 |
/ |
7192) |
= |
-4.17741934 |
4 |
89322 |
2424 |
- |
2485 |
= |
-61 |
* |
(1098 |
/ |
7192) |
= |
-9.31284755 |
5 |
89323 |
2453 |
- |
2528 |
= |
-75 |
* |
(1021 |
/ |
7192) |
= |
-10.6472469 |
6 |
89325 |
2482 |
- |
2552 |
= |
-70 |
* |
(1000 |
/ |
7192) |
= |
-9.73303667 |
7 |
89328 |
2490 |
- |
2567 |
= |
-77 |
* |
(1069 |
/ |
7192) |
= |
-11.4450778 |
8 |
89329 |
2507 |
- |
2586 |
= |
-79 |
* |
(1015 |
/ |
7192) |
= |
-11.14919353 |
11 |
89332 |
2526 |
- |
2628 |
= |
-102 |
* |
(916 |
/ |
7192) |
= |
-12.99110117 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ceres Unified
|
-69 |
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 |
91910 |
2408 |
- |
2436 |
= |
-28 |
* |
(1083 |
/ |
7446) |
= |
-4.07252213 |
4 |
91912 |
2430 |
- |
2485 |
= |
-55 |
* |
(1094 |
/ |
7446) |
= |
-8.08084877 |
5 |
91914 |
2446 |
- |
2528 |
= |
-82 |
* |
(1111 |
/ |
7446) |
= |
-12.2350255 |
6 |
91916 |
2483 |
- |
2552 |
= |
-69 |
* |
(1059 |
/ |
7446) |
= |
-9.81345683 |
7 |
91918 |
2477 |
- |
2567 |
= |
-90 |
* |
(1055 |
/ |
7446) |
= |
-12.75181299 |
8 |
91920 |
2497 |
- |
2586 |
= |
-89 |
* |
(1075 |
/ |
7446) |
= |
-12.84918071 |
11 |
91922 |
2532 |
- |
2628 |
= |
-96 |
* |
(969 |
/ |
7446) |
= |
-12.49315066 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ceres Unified
|
-72 |
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 |
92106 |
2420 |
- |
2436 |
= |
-16 |
* |
(1044 |
/ |
7532) |
= |
-2.21773765 |
4 |
92109 |
2436 |
- |
2485 |
= |
-49 |
* |
(1089 |
/ |
7532) |
= |
-7.08457249 |
5 |
92110 |
2450 |
- |
2528 |
= |
-78 |
* |
(1079 |
/ |
7532) |
= |
-11.17392455 |
6 |
92113 |
2485 |
- |
2552 |
= |
-67 |
* |
(1139 |
/ |
7532) |
= |
-10.13183749 |
7 |
92114 |
2480 |
- |
2567 |
= |
-87 |
* |
(1121 |
/ |
7532) |
= |
-12.94835364 |
8 |
92117 |
2494 |
- |
2586 |
= |
-92 |
* |
(1050 |
/ |
7532) |
= |
-12.82527877 |
11 |
92118 |
2546 |
- |
2628 |
= |
-82 |
* |
(1010 |
/ |
7532) |
= |
-10.99575146 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ceres Unified
|
-67 |
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 |
92747 |
2419 |
- |
2436 |
= |
-17 |
* |
(1092 |
/ |
7617) |
= |
-2.43717998 |
4 |
92748 |
2439 |
- |
2485 |
= |
-46 |
* |
(1043 |
/ |
7617) |
= |
-6.2988053 |
5 |
92749 |
2458 |
- |
2528 |
= |
-70 |
* |
(1082 |
/ |
7617) |
= |
-9.94354732 |
6 |
92750 |
2479 |
- |
2552 |
= |
-73 |
* |
(1108 |
/ |
7617) |
= |
-10.61887879 |
7 |
92751 |
2477 |
- |
2567 |
= |
-90 |
* |
(1154 |
/ |
7617) |
= |
-13.63528944 |
8 |
92752 |
2489 |
- |
2586 |
= |
-97 |
* |
(1102 |
/ |
7617) |
= |
-14.03360896 |
11 |
92753 |
2531 |
- |
2628 |
= |
-97 |
* |
(1036 |
/ |
7617) |
= |
-13.19312064 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ceres Unified
|
-70 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-67
|
-69
|
-72
|
-67
|
-70
|
-345.0 |
-69.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -63.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -75.0
For the lines, you have the data necessary to plot the chart.