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 |
| 6 |
2429 |
2407 |
- |
2552 |
= |
-145 |
* |
(55 |
/ |
55)
|
= |
-145.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Oakland SOL (School of Language) Dual Language Middle
|
-145 |
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 |
| 6 |
2448 |
2373 |
- |
2552 |
= |
-179 |
* |
(47 |
/ |
100)
|
= |
-84.13 |
| 7 |
2449 |
2433 |
- |
2567 |
= |
-134 |
* |
(53 |
/ |
100)
|
= |
-71.02 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Oakland SOL (School of Language) Dual Language Middle
|
-155 |
Last steps
Compute the average
| 2018 |
2019 |
Sum |
Average |
|
-145
|
-155
|
-300.0 |
-150.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -129.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -171.0
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:
