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 |
1396421 |
2444 |
- |
2436 |
= |
8 |
* |
(19 |
/ |
93) |
= |
1.6344086 |
4 |
1396422 |
2502 |
- |
2485 |
= |
17 |
* |
(13 |
/ |
93) |
= |
2.37634408 |
5 |
1396425 |
2535 |
- |
2528 |
= |
7 |
* |
(18 |
/ |
93) |
= |
1.35483871 |
6 |
1396426 |
2535 |
- |
2552 |
= |
-17 |
* |
(11 |
/ |
93) |
= |
-2.01075267 |
7 |
1396429 |
2620 |
- |
2567 |
= |
53 |
* |
(13 |
/ |
93) |
= |
7.40860214 |
8 |
1396430 |
2600 |
- |
2586 |
= |
14 |
* |
(19 |
/ |
93) |
= |
2.86021505 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Clear Creek Elementary
|
14 |
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 |
44024 |
2455 |
- |
2436 |
= |
19 |
* |
(18 |
/ |
98) |
= |
3.48979591 |
4 |
44027 |
2506 |
- |
2485 |
= |
21 |
* |
(22 |
/ |
98) |
= |
4.7142857 |
5 |
44029 |
2578 |
- |
2528 |
= |
50 |
* |
(15 |
/ |
98) |
= |
7.6530612 |
6 |
44030 |
2584 |
- |
2552 |
= |
32 |
* |
(18 |
/ |
98) |
= |
5.87755101 |
7 |
44033 |
2615 |
- |
2567 |
= |
48 |
* |
(12 |
/ |
98) |
= |
5.87755099 |
8 |
44034 |
2654 |
- |
2586 |
= |
68 |
* |
(13 |
/ |
98) |
= |
9.02040815 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Clear Creek Elementary
|
37 |
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 |
45094 |
2464 |
- |
2436 |
= |
28 |
* |
(17 |
/ |
102) |
= |
4.66666665 |
4 |
45096 |
2536 |
- |
2485 |
= |
51 |
* |
(21 |
/ |
102) |
= |
10.49999995 |
5 |
45097 |
2553 |
- |
2528 |
= |
25 |
* |
(22 |
/ |
102) |
= |
5.39215685 |
6 |
45099 |
2615 |
- |
2552 |
= |
63 |
* |
(14 |
/ |
102) |
= |
8.64705876 |
7 |
45102 |
2617 |
- |
2567 |
= |
50 |
* |
(18 |
/ |
102) |
= |
8.8235294 |
8 |
45104 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
102) |
= |
|
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Clear Creek Elementary
|
38 |
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 |
45109 |
2471 |
- |
2436 |
= |
35 |
* |
(16 |
/ |
118) |
= |
4.7457627 |
4 |
45110 |
2462 |
- |
2485 |
= |
-23 |
* |
(20 |
/ |
118) |
= |
-3.89830508 |
5 |
45113 |
2561 |
- |
2528 |
= |
33 |
* |
(26 |
/ |
118) |
= |
7.27118644 |
6 |
45114 |
2555 |
- |
2552 |
= |
3 |
* |
(25 |
/ |
118) |
= |
0.63559322 |
7 |
45117 |
2558 |
- |
2567 |
= |
-9 |
* |
(13 |
/ |
118) |
= |
-0.99152542 |
8 |
45118 |
2606 |
- |
2586 |
= |
20 |
* |
(18 |
/ |
118) |
= |
3.05084744 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Clear Creek Elementary
|
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 |
45241 |
2473 |
- |
2436 |
= |
37 |
* |
(14 |
/ |
116) |
= |
4.46551724 |
4 |
45242 |
2476 |
- |
2485 |
= |
-9 |
* |
(18 |
/ |
116) |
= |
-1.39655172 |
5 |
45243 |
2503 |
- |
2528 |
= |
-25 |
* |
(20 |
/ |
116) |
= |
-4.31034483 |
6 |
45244 |
2572 |
- |
2552 |
= |
20 |
* |
(27 |
/ |
116) |
= |
4.6551724 |
7 |
45245 |
2561 |
- |
2567 |
= |
-6 |
* |
(22 |
/ |
116) |
= |
-1.13793103 |
8 |
45246 |
2585 |
- |
2586 |
= |
-1 |
* |
(15 |
/ |
116) |
= |
-0.12931034 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Clear Creek Elementary
|
2 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
14
|
37
|
38
|
11
|
2
|
102.0 |
20.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 68.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -27.6
For the lines, you have the data necessary to plot the chart.