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 |
2371866 |
2394 |
- |
2436 |
= |
-42 |
* |
(34 |
/ |
106)
|
= |
-13.47169807 |
4 |
2371869 |
2411 |
- |
2485 |
= |
-74 |
* |
(39 |
/ |
106)
|
= |
-27.22641507 |
5 |
2371870 |
2419 |
- |
2528 |
= |
-109 |
* |
(33 |
/ |
106)
|
= |
-33.93396219 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Sanchez Elementary
|
-75 |
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 |
72452 |
2407 |
- |
2436 |
= |
-29 |
* |
(39 |
/ |
108)
|
= |
-10.47222222 |
4 |
72453 |
2444 |
- |
2485 |
= |
-41 |
* |
(31 |
/ |
108)
|
= |
-11.76851852 |
5 |
72455 |
2476 |
- |
2528 |
= |
-52 |
* |
(38 |
/ |
108)
|
= |
-18.29629625 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Sanchez Elementary
|
-41 |
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 |
74426 |
2377 |
- |
2436 |
= |
-59 |
* |
(40 |
/ |
93)
|
= |
-25.37634403 |
4 |
74427 |
2411 |
- |
2485 |
= |
-74 |
* |
(32 |
/ |
93)
|
= |
-25.46236555 |
5 |
74429 |
2427 |
- |
2528 |
= |
-101 |
* |
(21 |
/ |
93)
|
= |
-22.80645155 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Sanchez Elementary
|
-74 |
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 |
74600 |
2352 |
- |
2436 |
= |
-84 |
* |
(39 |
/ |
109)
|
= |
-30.05504586 |
4 |
74601 |
2440 |
- |
2485 |
= |
-45 |
* |
(35 |
/ |
109)
|
= |
-14.44954127 |
5 |
74604 |
2435 |
- |
2528 |
= |
-93 |
* |
(35 |
/ |
109)
|
= |
-29.86238528 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Sanchez Elementary
|
-74 |
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 |
75125 |
2333 |
- |
2436 |
= |
-103 |
* |
(38 |
/ |
124)
|
= |
-31.56451604 |
4 |
75126 |
2397 |
- |
2485 |
= |
-88 |
* |
(46 |
/ |
124)
|
= |
-32.64516121 |
5 |
75127 |
2436 |
- |
2528 |
= |
-92 |
* |
(40 |
/ |
124)
|
= |
-29.67741934 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Sanchez Elementary
|
-94 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-75
|
-41
|
-74
|
-74
|
-94
|
-358.0 |
-71.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -14.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -128.6
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: