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 |
2056391 |
2400 |
- |
2436 |
= |
-36 |
* |
(119 |
/ |
311)
|
= |
-13.77491958 |
4 |
2056392 |
2431 |
- |
2485 |
= |
-54 |
* |
(104 |
/ |
311)
|
= |
-18.05787778 |
5 |
2056395 |
2472 |
- |
2528 |
= |
-56 |
* |
(88 |
/ |
311)
|
= |
-15.84565914 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Riley Elementary
|
-48 |
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 |
63196 |
2407 |
- |
2436 |
= |
-29 |
* |
(103 |
/ |
324)
|
= |
-9.21913579 |
4 |
63198 |
2440 |
- |
2485 |
= |
-45 |
* |
(116 |
/ |
324)
|
= |
-16.1111111 |
5 |
63200 |
2459 |
- |
2528 |
= |
-69 |
* |
(105 |
/ |
324)
|
= |
-22.36111111 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Riley Elementary
|
-48 |
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 |
64985 |
2405 |
- |
2436 |
= |
-31 |
* |
(95 |
/ |
309)
|
= |
-9.53074432 |
4 |
64986 |
2463 |
- |
2485 |
= |
-22 |
* |
(103 |
/ |
309)
|
= |
-7.33333333 |
5 |
64989 |
2484 |
- |
2528 |
= |
-44 |
* |
(111 |
/ |
309)
|
= |
-15.8058252 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Riley Elementary
|
-33 |
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 |
65075 |
2418 |
- |
2436 |
= |
-18 |
* |
(93 |
/ |
275)
|
= |
-6.08727272 |
4 |
65076 |
2469 |
- |
2485 |
= |
-16 |
* |
(90 |
/ |
275)
|
= |
-5.23636363 |
5 |
65079 |
2487 |
- |
2528 |
= |
-41 |
* |
(92 |
/ |
275)
|
= |
-13.71636361 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Riley Elementary
|
-25 |
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 |
65443 |
2395 |
- |
2436 |
= |
-41 |
* |
(81 |
/ |
279)
|
= |
-11.90322578 |
4 |
65444 |
2478 |
- |
2485 |
= |
-7 |
* |
(104 |
/ |
279)
|
= |
-2.60931899 |
5 |
65445 |
2484 |
- |
2528 |
= |
-44 |
* |
(94 |
/ |
279)
|
= |
-14.82437273 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Riley Elementary
|
-29 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-48
|
-48
|
-33
|
-25
|
-29
|
-183.0 |
-36.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -6.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -66.6
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: