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 |
1356496 |
2452 |
- |
2436 |
= |
16 |
* |
(149 |
/ |
1065) |
= |
2.23849765 |
4 |
1356499 |
2499 |
- |
2485 |
= |
14 |
* |
(144 |
/ |
1065) |
= |
1.89295774 |
5 |
1356500 |
2528 |
- |
2528 |
= |
0 |
* |
(162 |
/ |
1065) |
= |
0.0 |
6 |
1356503 |
2544 |
- |
2552 |
= |
-8 |
* |
(151 |
/ |
1065) |
= |
-1.1342723 |
7 |
1356504 |
2576 |
- |
2567 |
= |
9 |
* |
(158 |
/ |
1065) |
= |
1.33521126 |
8 |
1356507 |
2594 |
- |
2586 |
= |
8 |
* |
(154 |
/ |
1065) |
= |
1.1568075 |
11 |
1356508 |
2623 |
- |
2628 |
= |
-5 |
* |
(147 |
/ |
1065) |
= |
-0.69014085 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Pacific Grove Unified
|
5 |
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 |
42691 |
2466 |
- |
2436 |
= |
30 |
* |
(149 |
/ |
1081) |
= |
4.13506011 |
4 |
42693 |
2498 |
- |
2485 |
= |
13 |
* |
(148 |
/ |
1081) |
= |
1.77983348 |
5 |
42695 |
2521 |
- |
2528 |
= |
-7 |
* |
(143 |
/ |
1081) |
= |
-0.92599445 |
6 |
42696 |
2560 |
- |
2552 |
= |
8 |
* |
(183 |
/ |
1081) |
= |
1.35430157 |
7 |
42698 |
2563 |
- |
2567 |
= |
-4 |
* |
(159 |
/ |
1081) |
= |
-0.58834412 |
8 |
42701 |
2598 |
- |
2586 |
= |
12 |
* |
(155 |
/ |
1081) |
= |
1.72062904 |
11 |
42702 |
2657 |
- |
2628 |
= |
29 |
* |
(144 |
/ |
1081) |
= |
3.86308971 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Pacific Grove Unified
|
11 |
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 |
43760 |
2446 |
- |
2436 |
= |
10 |
* |
(146 |
/ |
1067) |
= |
1.36832239 |
4 |
43761 |
2528 |
- |
2485 |
= |
43 |
* |
(151 |
/ |
1067) |
= |
6.08528583 |
5 |
43763 |
2536 |
- |
2528 |
= |
8 |
* |
(149 |
/ |
1067) |
= |
1.11715089 |
6 |
43765 |
2566 |
- |
2552 |
= |
14 |
* |
(150 |
/ |
1067) |
= |
1.96813495 |
7 |
43768 |
2605 |
- |
2567 |
= |
38 |
* |
(180 |
/ |
1067) |
= |
6.41049672 |
8 |
43769 |
2612 |
- |
2586 |
= |
26 |
* |
(157 |
/ |
1067) |
= |
3.82567947 |
11 |
43772 |
2625 |
- |
2628 |
= |
-3 |
* |
(134 |
/ |
1067) |
= |
-0.37675726 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Pacific Grove Unified
|
20 |
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 |
43782 |
2472 |
- |
2436 |
= |
36 |
* |
(147 |
/ |
1079) |
= |
4.90454122 |
4 |
43785 |
2507 |
- |
2485 |
= |
22 |
* |
(141 |
/ |
1079) |
= |
2.87488414 |
5 |
43786 |
2562 |
- |
2528 |
= |
34 |
* |
(160 |
/ |
1079) |
= |
5.04170527 |
6 |
43789 |
2575 |
- |
2552 |
= |
23 |
* |
(150 |
/ |
1079) |
= |
3.19740498 |
7 |
43790 |
2606 |
- |
2567 |
= |
39 |
* |
(157 |
/ |
1079) |
= |
5.67469878 |
8 |
43793 |
2627 |
- |
2586 |
= |
41 |
* |
(180 |
/ |
1079) |
= |
6.83966633 |
11 |
43794 |
2653 |
- |
2628 |
= |
25 |
* |
(144 |
/ |
1079) |
= |
3.3364226 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Pacific Grove Unified
|
32 |
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 |
43913 |
2483 |
- |
2436 |
= |
47 |
* |
(130 |
/ |
1032) |
= |
5.92054262 |
4 |
43914 |
2516 |
- |
2485 |
= |
31 |
* |
(154 |
/ |
1032) |
= |
4.62596899 |
5 |
43915 |
2548 |
- |
2528 |
= |
20 |
* |
(126 |
/ |
1032) |
= |
2.44186046 |
6 |
43916 |
2586 |
- |
2552 |
= |
34 |
* |
(173 |
/ |
1032) |
= |
5.69961237 |
7 |
43917 |
2597 |
- |
2567 |
= |
30 |
* |
(141 |
/ |
1032) |
= |
4.09883718 |
8 |
43918 |
2628 |
- |
2586 |
= |
42 |
* |
(157 |
/ |
1032) |
= |
6.38953484 |
11 |
43919 |
2653 |
- |
2628 |
= |
25 |
* |
(151 |
/ |
1032) |
= |
3.65794573 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Pacific Grove Unified
|
33 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
5
|
11
|
20
|
32
|
33
|
101.0 |
20.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 56.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -15.8
For the lines, you have the data necessary to plot the chart.