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 |
2234258 |
2623 |
- |
2628 |
= |
-5 |
* |
(570 |
/ |
570)
|
= |
-5.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mira Mesa High
|
-5 |
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 |
68583 |
2633 |
- |
2628 |
= |
5 |
* |
(562 |
/ |
562)
|
= |
5.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mira Mesa High
|
5 |
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 |
70402 |
2642 |
- |
2628 |
= |
14 |
* |
(515 |
/ |
515)
|
= |
14.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mira Mesa High
|
14 |
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 |
70554 |
2622 |
- |
2628 |
= |
-6 |
* |
(601 |
/ |
601)
|
= |
-6.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mira Mesa High
|
-6 |
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 |
71037 |
2637 |
- |
2628 |
= |
9 |
* |
(513 |
/ |
513)
|
= |
9.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mira Mesa High
|
9 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-5
|
5
|
14
|
-6
|
9
|
17.0 |
3.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 27.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -20.6
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: