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 |
863862 |
2600 |
- |
2628 |
= |
-28 |
* |
(426 |
/ |
426)
|
= |
-28.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for North Hollywood Senior High
|
-28 |
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 |
8 |
27324 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
483)
|
= |
|
11 |
27326 |
2597 |
- |
2628 |
= |
-31 |
* |
(483 |
/ |
483)
|
= |
-31.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for North Hollywood Senior High
|
-31 |
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 |
27901 |
2610 |
- |
2628 |
= |
-18 |
* |
(463 |
/ |
463)
|
= |
-18.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for North Hollywood Senior High
|
-18 |
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 |
27951 |
2596 |
- |
2628 |
= |
-32 |
* |
(508 |
/ |
508)
|
= |
-32.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for North Hollywood Senior High
|
-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 |
11 |
28130 |
2619 |
- |
2628 |
= |
-9 |
* |
(521 |
/ |
521)
|
= |
-9.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for North Hollywood Senior High
|
-9 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-28
|
-31
|
-18
|
-32
|
-9
|
-118.0 |
-23.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 3.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -50.6
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: