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 |
3059595 |
2547 |
- |
2628 |
= |
-81 |
* |
(1196 |
/ |
1196) |
= |
-81.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Tulare Joint Union High
|
-81 |
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 |
94200 |
2551 |
- |
2628 |
= |
-77 |
* |
(1188 |
/ |
1188) |
= |
-77.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Tulare Joint Union High
|
-77 |
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 |
4 |
96968 |
0 |
- |
2485 |
= |
|
* |
(0 |
/ |
1305) |
= |
|
11 |
96970 |
2543 |
- |
2628 |
= |
-85 |
* |
(1304 |
/ |
1305) |
= |
-84.93486586 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Tulare Joint Union High
|
-85 |
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 |
5 |
97146 |
0 |
- |
2528 |
= |
|
* |
(0 |
/ |
1286) |
= |
|
11 |
97149 |
2546 |
- |
2628 |
= |
-82 |
* |
(1285 |
/ |
1286) |
= |
-81.93623639 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Tulare Joint Union High
|
-82 |
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 |
97812 |
2543 |
- |
2628 |
= |
-85 |
* |
(1351 |
/ |
1351) |
= |
-85.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Tulare Joint Union High
|
-85 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-81
|
-77
|
-85
|
-82
|
-85
|
-410.0 |
-82.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -73.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -91.0
For the lines, you have the data necessary to plot the chart.