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 |
2945738 |
2538 |
- |
2628 |
= |
-90 |
* |
(3409 |
/ |
3409) |
= |
-90.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Modesto City High
|
-90 |
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 |
7 |
90160 |
0 |
- |
2567 |
= |
|
* |
(1 |
/ |
3562) |
= |
|
11 |
90161 |
2552 |
- |
2628 |
= |
-76 |
* |
(3561 |
/ |
3562) |
= |
-75.97866361 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Modesto City High
|
-76 |
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 |
92796 |
2540 |
- |
2628 |
= |
-88 |
* |
(3471 |
/ |
3471) |
= |
-88.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Modesto City High
|
-88 |
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 |
92995 |
2530 |
- |
2628 |
= |
-98 |
* |
(3529 |
/ |
3529) |
= |
-98.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Modesto City High
|
-98 |
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 |
93651 |
2539 |
- |
2628 |
= |
-89 |
* |
(3485 |
/ |
3485) |
= |
-89.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Modesto City High
|
-89 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-90
|
-76
|
-88
|
-98
|
-89
|
-441.0 |
-88.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -67.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -109.2
For the lines, you have the data necessary to plot the chart.