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 |
80028 |
2424 |
- |
2436 |
= |
-12 |
* |
(38 |
/ |
771)
|
= |
-0.59143968 |
| 4 |
80029 |
2472 |
- |
2485 |
= |
-13 |
* |
(33 |
/ |
771)
|
= |
-0.55642023 |
| 5 |
80032 |
2469 |
- |
2528 |
= |
-59 |
* |
(44 |
/ |
771)
|
= |
-3.36705572 |
| 6 |
80033 |
2529 |
- |
2552 |
= |
-23 |
* |
(212 |
/ |
771)
|
= |
-6.3242542 |
| 7 |
80036 |
2566 |
- |
2567 |
= |
-1 |
* |
(228 |
/ |
771)
|
= |
-0.29571984 |
| 8 |
80037 |
2583 |
- |
2586 |
= |
-3 |
* |
(216 |
/ |
771)
|
= |
-0.84046693 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Bayside Academy
|
-12 |
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 |
80524 |
2389 |
- |
2436 |
= |
-47 |
* |
(44 |
/ |
783)
|
= |
-2.64112388 |
| 4 |
80525 |
2464 |
- |
2485 |
= |
-21 |
* |
(38 |
/ |
783)
|
= |
-1.01915707 |
| 5 |
80526 |
2474 |
- |
2528 |
= |
-54 |
* |
(36 |
/ |
783)
|
= |
-2.48275859 |
| 6 |
80527 |
2522 |
- |
2552 |
= |
-30 |
* |
(235 |
/ |
783)
|
= |
-9.00383139 |
| 7 |
80528 |
2563 |
- |
2567 |
= |
-4 |
* |
(206 |
/ |
783)
|
= |
-1.0523627 |
| 8 |
80529 |
2569 |
- |
2586 |
= |
-17 |
* |
(224 |
/ |
783)
|
= |
-4.86334609 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Bayside Academy
|
-21 |
Last steps
Compute the average
| 2018 |
2019 |
Sum |
Average |
|
-12
|
-21
|
-33.0 |
-16.5 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 1.5
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -34.5
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
