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 |
934039 |
2371 |
- |
2436 |
= |
-65 |
* |
(76 |
/ |
246)
|
= |
-20.08130079 |
4 |
934040 |
2410 |
- |
2485 |
= |
-75 |
* |
(64 |
/ |
246)
|
= |
-19.51219508 |
5 |
934043 |
2410 |
- |
2528 |
= |
-118 |
* |
(52 |
/ |
246)
|
= |
-24.94308933 |
6 |
934044 |
2407 |
- |
2552 |
= |
-145 |
* |
(54 |
/ |
246)
|
= |
-31.82926828 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Murchison Street Elementary
|
-96 |
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 |
29537 |
2359 |
- |
2436 |
= |
-77 |
* |
(85 |
/ |
270)
|
= |
-24.24074068 |
4 |
29539 |
2409 |
- |
2485 |
= |
-76 |
* |
(80 |
/ |
270)
|
= |
-22.5185185 |
5 |
29540 |
2424 |
- |
2528 |
= |
-104 |
* |
(62 |
/ |
270)
|
= |
-23.88148142 |
6 |
29542 |
2420 |
- |
2552 |
= |
-132 |
* |
(43 |
/ |
270)
|
= |
-21.02222219 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Murchison Street Elementary
|
-92 |
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 |
30101 |
2370 |
- |
2436 |
= |
-66 |
* |
(62 |
/ |
280)
|
= |
-14.61428569 |
4 |
30103 |
2397 |
- |
2485 |
= |
-88 |
* |
(88 |
/ |
280)
|
= |
-27.65714283 |
5 |
30105 |
2405 |
- |
2528 |
= |
-123 |
* |
(74 |
/ |
280)
|
= |
-32.50714282 |
6 |
30108 |
2436 |
- |
2552 |
= |
-116 |
* |
(56 |
/ |
280)
|
= |
-23.2 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Murchison Street Elementary
|
-98 |
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 |
30150 |
2365 |
- |
2436 |
= |
-71 |
* |
(54 |
/ |
274)
|
= |
-13.99270066 |
4 |
30152 |
2435 |
- |
2485 |
= |
-50 |
* |
(64 |
/ |
274)
|
= |
-11.6788321 |
5 |
30154 |
2390 |
- |
2528 |
= |
-138 |
* |
(89 |
/ |
274)
|
= |
-44.82481748 |
6 |
30156 |
2402 |
- |
2552 |
= |
-150 |
* |
(67 |
/ |
274)
|
= |
-36.67883205 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Murchison Street Elementary
|
-107 |
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 |
30325 |
2349 |
- |
2436 |
= |
-87 |
* |
(58 |
/ |
252)
|
= |
-20.02380951 |
4 |
30326 |
2381 |
- |
2485 |
= |
-104 |
* |
(57 |
/ |
252)
|
= |
-23.5238095 |
5 |
30327 |
2439 |
- |
2528 |
= |
-89 |
* |
(59 |
/ |
252)
|
= |
-20.83730158 |
6 |
30328 |
2411 |
- |
2552 |
= |
-141 |
* |
(78 |
/ |
252)
|
= |
-43.64285707 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Murchison Street Elementary
|
-108 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-96
|
-92
|
-98
|
-107
|
-108
|
-501.0 |
-100.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -79.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -121.2
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: