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 |
11 |
24430 |
2722 |
- |
2628 |
= |
94 |
* |
(105 |
/ |
105)
|
= |
94.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Eunice Sato Academy of Math & Science
|
94 |
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 |
11 |
24598 |
2701 |
- |
2628 |
= |
73 |
* |
(93 |
/ |
93)
|
= |
73.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Eunice Sato Academy of Math & Science
|
73 |
Last steps
Compute the average
2018 |
2019 |
Sum |
Average |
94
|
73
|
167.0 |
83.5 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 125.5
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 41.5
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: