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 |
1348162 |
2489 |
- |
2628 |
= |
-139 |
* |
(456 |
/ |
456) |
= |
-139.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for South Monterey County Joint Union High
|
-139 |
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 |
42426 |
2508 |
- |
2628 |
= |
-120 |
* |
(483 |
/ |
483) |
= |
-120.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for South Monterey County Joint Union High
|
-120 |
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 |
43487 |
2501 |
- |
2628 |
= |
-127 |
* |
(492 |
/ |
492) |
= |
-127.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for South Monterey County Joint Union High
|
-127 |
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 |
43512 |
2495 |
- |
2628 |
= |
-133 |
* |
(536 |
/ |
536) |
= |
-133.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for South Monterey County Joint Union High
|
-133 |
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 |
43637 |
2514 |
- |
2628 |
= |
-114 |
* |
(563 |
/ |
563) |
= |
-114.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for South Monterey County Joint Union High
|
-114 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-139
|
-120
|
-127
|
-133
|
-114
|
-633.0 |
-126.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -99.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -153.6
For the lines, you have the data necessary to plot the chart.