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 |
1885140 |
2385 |
- |
2436 |
= |
-51 |
* |
(84 |
/ |
212)
|
= |
-20.20754717 |
4 |
1885141 |
2416 |
- |
2485 |
= |
-69 |
* |
(55 |
/ |
212)
|
= |
-17.90094338 |
5 |
1885144 |
2455 |
- |
2528 |
= |
-73 |
* |
(73 |
/ |
212)
|
= |
-25.13679241 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Skycrest Elementary
|
-63 |
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 |
58144 |
2403 |
- |
2436 |
= |
-33 |
* |
(91 |
/ |
228)
|
= |
-13.17105263 |
4 |
58146 |
2414 |
- |
2485 |
= |
-71 |
* |
(82 |
/ |
228)
|
= |
-25.53508766 |
5 |
58148 |
2459 |
- |
2528 |
= |
-69 |
* |
(55 |
/ |
228)
|
= |
-16.64473683 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Skycrest Elementary
|
-55 |
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 |
59839 |
2416 |
- |
2436 |
= |
-20 |
* |
(83 |
/ |
256)
|
= |
-6.484375 |
4 |
59842 |
2416 |
- |
2485 |
= |
-69 |
* |
(87 |
/ |
256)
|
= |
-23.44921875 |
5 |
59843 |
2441 |
- |
2528 |
= |
-87 |
* |
(86 |
/ |
256)
|
= |
-29.2265625 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Skycrest Elementary
|
-59 |
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 |
59957 |
2394 |
- |
2436 |
= |
-42 |
* |
(79 |
/ |
241)
|
= |
-13.76763482 |
4 |
59958 |
2438 |
- |
2485 |
= |
-47 |
* |
(79 |
/ |
241)
|
= |
-15.40663896 |
5 |
59961 |
2443 |
- |
2528 |
= |
-85 |
* |
(83 |
/ |
241)
|
= |
-29.2738589 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Skycrest Elementary
|
-58 |
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 |
60211 |
2407 |
- |
2436 |
= |
-29 |
* |
(75 |
/ |
247)
|
= |
-8.805668 |
4 |
60212 |
2451 |
- |
2485 |
= |
-34 |
* |
(83 |
/ |
247)
|
= |
-11.42510119 |
5 |
60213 |
2458 |
- |
2528 |
= |
-70 |
* |
(89 |
/ |
247)
|
= |
-25.22267202 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Skycrest Elementary
|
-45 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-63
|
-55
|
-59
|
-58
|
-45
|
-280.0 |
-56.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -38.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -74.0
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: