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 |
293264 |
2451 |
- |
2436 |
= |
15 |
* |
(3081 |
/ |
21416) |
= |
2.157966 |
4 |
293265 |
2485 |
- |
2485 |
= |
0 |
* |
(2966 |
/ |
21416) |
= |
0.0 |
5 |
293268 |
2510 |
- |
2528 |
= |
-18 |
* |
(3196 |
/ |
21416) |
= |
-2.68621591 |
6 |
293269 |
2552 |
- |
2552 |
= |
0 |
* |
(3015 |
/ |
21416) |
= |
0.0 |
7 |
293272 |
2565 |
- |
2567 |
= |
-2 |
* |
(3142 |
/ |
21416) |
= |
-0.29342548 |
8 |
293273 |
2590 |
- |
2586 |
= |
4 |
* |
(3100 |
/ |
21416) |
= |
0.57900635 |
11 |
293276 |
2588 |
- |
2628 |
= |
-40 |
* |
(2916 |
/ |
21416) |
= |
-5.4463952 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Clovis Unified
|
-6 |
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 |
8785 |
2468 |
- |
2436 |
= |
32 |
* |
(3065 |
/ |
21895) |
= |
4.47956154 |
4 |
8788 |
2496 |
- |
2485 |
= |
11 |
* |
(3150 |
/ |
21895) |
= |
1.58255309 |
5 |
8789 |
2518 |
- |
2528 |
= |
-10 |
* |
(3070 |
/ |
21895) |
= |
-1.4021466 |
6 |
8791 |
2557 |
- |
2552 |
= |
5 |
* |
(3268 |
/ |
21895) |
= |
0.74628911 |
7 |
8794 |
2576 |
- |
2567 |
= |
9 |
* |
(3185 |
/ |
21895) |
= |
1.30920301 |
8 |
8796 |
2594 |
- |
2586 |
= |
8 |
* |
(3188 |
/ |
21895) |
= |
1.16483215 |
11 |
8798 |
2611 |
- |
2628 |
= |
-17 |
* |
(2969 |
/ |
21895) |
= |
-2.3052295 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Clovis Unified
|
6 |
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 |
9074 |
2468 |
- |
2436 |
= |
32 |
* |
(3043 |
/ |
22232) |
= |
4.3799928 |
4 |
9075 |
2503 |
- |
2485 |
= |
18 |
* |
(3126 |
/ |
22232) |
= |
2.53094638 |
5 |
9077 |
2530 |
- |
2528 |
= |
2 |
* |
(3218 |
/ |
22232) |
= |
0.28949262 |
6 |
9080 |
2558 |
- |
2552 |
= |
6 |
* |
(3109 |
/ |
22232) |
= |
0.83906081 |
7 |
9081 |
2575 |
- |
2567 |
= |
8 |
* |
(3440 |
/ |
22232) |
= |
1.23785534 |
8 |
9083 |
2592 |
- |
2586 |
= |
6 |
* |
(3180 |
/ |
22232) |
= |
0.85822238 |
11 |
9086 |
2615 |
- |
2628 |
= |
-13 |
* |
(3116 |
/ |
22232) |
= |
-1.82205829 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Clovis Unified
|
8 |
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 |
9096 |
2472 |
- |
2436 |
= |
36 |
* |
(3016 |
/ |
22288) |
= |
4.87150034 |
4 |
9097 |
2505 |
- |
2485 |
= |
20 |
* |
(3096 |
/ |
22288) |
= |
2.77817658 |
5 |
9100 |
2537 |
- |
2528 |
= |
9 |
* |
(3177 |
/ |
22288) |
= |
1.28288765 |
6 |
9101 |
2568 |
- |
2552 |
= |
16 |
* |
(3250 |
/ |
22288) |
= |
2.33309403 |
7 |
9104 |
2579 |
- |
2567 |
= |
12 |
* |
(3256 |
/ |
22288) |
= |
1.75305096 |
8 |
9105 |
2589 |
- |
2586 |
= |
3 |
* |
(3456 |
/ |
22288) |
= |
0.46518306 |
11 |
9108 |
2609 |
- |
2628 |
= |
-19 |
* |
(3037 |
/ |
22288) |
= |
-2.58897164 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Clovis Unified
|
11 |
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 |
9173 |
2471 |
- |
2436 |
= |
35 |
* |
(3094 |
/ |
22315) |
= |
4.85278959 |
4 |
9174 |
2507 |
- |
2485 |
= |
22 |
* |
(3087 |
/ |
22315) |
= |
3.0434237 |
5 |
9175 |
2535 |
- |
2528 |
= |
7 |
* |
(3132 |
/ |
22315) |
= |
0.98247815 |
6 |
9176 |
2574 |
- |
2552 |
= |
22 |
* |
(3239 |
/ |
22315) |
= |
3.19327804 |
7 |
9177 |
2585 |
- |
2567 |
= |
18 |
* |
(3369 |
/ |
22315) |
= |
2.71754424 |
8 |
9178 |
2593 |
- |
2586 |
= |
7 |
* |
(3323 |
/ |
22315) |
= |
1.04239301 |
11 |
9179 |
2620 |
- |
2628 |
= |
-8 |
* |
(3071 |
/ |
22315) |
= |
-1.10096347 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Clovis Unified
|
15 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-6
|
6
|
8
|
11
|
15
|
34.0 |
6.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 27.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -14.2
For the lines, you have the data necessary to plot the chart.