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 |
2221187 |
2475 |
- |
2628 |
= |
-153 |
* |
(109 |
/ |
109)
|
= |
-153.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for San Diego Business/Leadership
|
-153 |
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 |
68132 |
2480 |
- |
2628 |
= |
-148 |
* |
(135 |
/ |
135)
|
= |
-148.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for San Diego Business/Leadership
|
-148 |
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 |
69949 |
2494 |
- |
2628 |
= |
-134 |
* |
(128 |
/ |
128)
|
= |
-134.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for San Diego Business/Leadership
|
-134 |
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 |
| 8 |
70106 |
0 |
- |
2586 |
= |
|
* |
(0 |
/ |
86)
|
= |
|
| 11 |
70107 |
2458 |
- |
2628 |
= |
-170 |
* |
(86 |
/ |
86)
|
= |
-170.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for San Diego Business/Leadership
|
-170 |
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 |
70621 |
2467 |
- |
2628 |
= |
-161 |
* |
(75 |
/ |
75)
|
= |
-161.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for San Diego Business/Leadership
|
-161 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-153
|
-148
|
-134
|
-170
|
-161
|
-766.0 |
-153.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -114.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -192.2
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:
