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 |
3 |
2277713 |
2413 |
- |
2436 |
= |
-23 |
* |
(26 |
/ |
26)
|
= |
-23.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for McGill School of Success
|
-23 |
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 |
3 |
69826 |
2396 |
- |
2436 |
= |
-40 |
* |
(22 |
/ |
47)
|
= |
-18.72340424 |
4 |
69828 |
2405 |
- |
2485 |
= |
-80 |
* |
(25 |
/ |
47)
|
= |
-42.55319144 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for McGill School of Success
|
-61 |
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 |
3 |
71658 |
2404 |
- |
2436 |
= |
-32 |
* |
(24 |
/ |
61)
|
= |
-12.5901639 |
4 |
71661 |
2448 |
- |
2485 |
= |
-37 |
* |
(19 |
/ |
61)
|
= |
-11.52459013 |
5 |
71662 |
2475 |
- |
2528 |
= |
-53 |
* |
(18 |
/ |
61)
|
= |
-15.63934425 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for McGill School of Success
|
-40 |
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 |
3 |
71803 |
2400 |
- |
2436 |
= |
-36 |
* |
(32 |
/ |
61)
|
= |
-18.88524587 |
4 |
71805 |
2396 |
- |
2485 |
= |
-89 |
* |
(16 |
/ |
61)
|
= |
-23.34426221 |
5 |
71807 |
2433 |
- |
2528 |
= |
-95 |
* |
(13 |
/ |
61)
|
= |
-20.24590163 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for McGill School of Success
|
-62 |
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 |
3 |
72289 |
2391 |
- |
2436 |
= |
-45 |
* |
(25 |
/ |
71)
|
= |
-15.84507042 |
4 |
72290 |
2441 |
- |
2485 |
= |
-44 |
* |
(31 |
/ |
71)
|
= |
-19.21126759 |
5 |
72291 |
2436 |
- |
2528 |
= |
-92 |
* |
(15 |
/ |
71)
|
= |
-19.43661966 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for McGill School of Success
|
-54 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-23
|
-61
|
-40
|
-62
|
-54
|
-240.0 |
-48.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average:
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average:
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: