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 |
329846 |
2371 |
- |
2436 |
= |
-65 |
* |
(116 |
/ |
384)
|
= |
-19.63541665 |
4 |
329849 |
2424 |
- |
2485 |
= |
-61 |
* |
(84 |
/ |
384)
|
= |
-13.34375 |
5 |
329850 |
2430 |
- |
2528 |
= |
-98 |
* |
(114 |
/ |
384)
|
= |
-29.09375 |
6 |
329853 |
2440 |
- |
2552 |
= |
-112 |
* |
(70 |
/ |
384)
|
= |
-20.41666659 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Norseman Elementary
|
-82 |
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 |
9844 |
2377 |
- |
2436 |
= |
-59 |
* |
(102 |
/ |
407)
|
= |
-14.78624075 |
4 |
9845 |
2410 |
- |
2485 |
= |
-75 |
* |
(120 |
/ |
407)
|
= |
-22.11302205 |
5 |
9848 |
2437 |
- |
2528 |
= |
-91 |
* |
(79 |
/ |
407)
|
= |
-17.66339065 |
6 |
9849 |
2436 |
- |
2552 |
= |
-116 |
* |
(106 |
/ |
407)
|
= |
-30.21130216 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Norseman Elementary
|
-85 |
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 |
10172 |
2373 |
- |
2436 |
= |
-63 |
* |
(93 |
/ |
403)
|
= |
-14.53846149 |
4 |
10174 |
2440 |
- |
2485 |
= |
-45 |
* |
(105 |
/ |
403)
|
= |
-11.72456573 |
5 |
10176 |
2438 |
- |
2528 |
= |
-90 |
* |
(119 |
/ |
403)
|
= |
-26.57568231 |
6 |
10177 |
2482 |
- |
2552 |
= |
-70 |
* |
(86 |
/ |
403)
|
= |
-14.93796521 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Norseman Elementary
|
-68 |
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 |
10189 |
2375 |
- |
2436 |
= |
-61 |
* |
(94 |
/ |
426)
|
= |
-13.46009384 |
4 |
10192 |
2420 |
- |
2485 |
= |
-65 |
* |
(102 |
/ |
426)
|
= |
-15.56338024 |
5 |
10193 |
2460 |
- |
2528 |
= |
-68 |
* |
(109 |
/ |
426)
|
= |
-17.39906099 |
6 |
10195 |
2467 |
- |
2552 |
= |
-85 |
* |
(121 |
/ |
426)
|
= |
-24.14319243 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Norseman Elementary
|
-71 |
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 |
10270 |
2380 |
- |
2436 |
= |
-56 |
* |
(88 |
/ |
397)
|
= |
-12.41309821 |
4 |
10271 |
2418 |
- |
2485 |
= |
-67 |
* |
(102 |
/ |
397)
|
= |
-17.21410578 |
5 |
10272 |
2436 |
- |
2528 |
= |
-92 |
* |
(106 |
/ |
397)
|
= |
-24.56423166 |
6 |
10273 |
2481 |
- |
2552 |
= |
-71 |
* |
(101 |
/ |
397)
|
= |
-18.06297226 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Norseman Elementary
|
-72 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-82
|
-85
|
-68
|
-71
|
-72
|
-378.0 |
-75.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -54.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -96.6
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: