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 |
2235672 |
2653 |
- |
2628 |
= |
25 |
* |
(482 |
/ |
482)
|
= |
25.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Scripps Ranch High
|
25 |
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 |
68634 |
2680 |
- |
2628 |
= |
52 |
* |
(473 |
/ |
473)
|
= |
52.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Scripps Ranch High
|
52 |
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 |
70449 |
2681 |
- |
2628 |
= |
53 |
* |
(511 |
/ |
511)
|
= |
53.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Scripps Ranch High
|
53 |
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 |
70598 |
2692 |
- |
2628 |
= |
64 |
* |
(519 |
/ |
519)
|
= |
64.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Scripps Ranch High
|
64 |
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 |
71081 |
2686 |
- |
2628 |
= |
58 |
* |
(477 |
/ |
477)
|
= |
58.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Scripps Ranch High
|
58 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
25
|
52
|
53
|
64
|
58
|
252.0 |
50.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 92.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 8.4
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:
