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 |
11 |
812406 |
2516 |
- |
2628 |
= |
-112 |
* |
(106 |
/ |
106)
|
= |
-112.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Helen Bernstein High
|
-112 |
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 |
11 |
25418 |
2517 |
- |
2628 |
= |
-111 |
* |
(89 |
/ |
89)
|
= |
-111.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Helen Bernstein High
|
-111 |
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 |
11 |
25899 |
2476 |
- |
2628 |
= |
-152 |
* |
(106 |
/ |
106)
|
= |
-152.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Helen Bernstein High
|
-152 |
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 |
25879 |
2543 |
- |
2628 |
= |
-85 |
* |
(113 |
/ |
113)
|
= |
-85.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Helen Bernstein High
|
-85 |
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 |
26030 |
2538 |
- |
2628 |
= |
-90 |
* |
(101 |
/ |
101)
|
= |
-90.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Helen Bernstein High
|
-90 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-112
|
-111
|
-152
|
-85
|
-90
|
-550.0 |
-110.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -188.0
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: