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 |
862561 |
2531 |
- |
2628 |
= |
-97 |
* |
(304 |
/ |
304)
|
= |
-97.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Huntington Park Senior High
|
-97 |
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 |
27288 |
2517 |
- |
2628 |
= |
-111 |
* |
(379 |
/ |
379)
|
= |
-111.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Huntington Park Senior 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 |
27865 |
2515 |
- |
2628 |
= |
-113 |
* |
(324 |
/ |
324)
|
= |
-113.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Huntington Park Senior High
|
-113 |
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 |
27915 |
2509 |
- |
2628 |
= |
-119 |
* |
(298 |
/ |
298)
|
= |
-119.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Huntington Park Senior High
|
-119 |
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 |
28094 |
2535 |
- |
2628 |
= |
-93 |
* |
(290 |
/ |
290)
|
= |
-93.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Huntington Park Senior High
|
-93 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-97
|
-111
|
-113
|
-119
|
-93
|
-533.0 |
-106.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -73.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -139.6
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: