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 |
938197 |
2364 |
- |
2436 |
= |
-72 |
* |
(80 |
/ |
302)
|
= |
-19.07284766 |
4 |
938198 |
2404 |
- |
2485 |
= |
-81 |
* |
(120 |
/ |
302)
|
= |
-32.18543043 |
5 |
938201 |
2459 |
- |
2528 |
= |
-69 |
* |
(102 |
/ |
302)
|
= |
-23.30463574 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Norwood Street 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 |
29674 |
2379 |
- |
2436 |
= |
-57 |
* |
(99 |
/ |
293)
|
= |
-19.25938566 |
4 |
29676 |
2415 |
- |
2485 |
= |
-70 |
* |
(83 |
/ |
293)
|
= |
-19.8293515 |
5 |
29679 |
2436 |
- |
2528 |
= |
-92 |
* |
(111 |
/ |
293)
|
= |
-34.85324228 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Norwood Street Elementary
|
-74 |
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 |
30240 |
2391 |
- |
2436 |
= |
-45 |
* |
(98 |
/ |
267)
|
= |
-16.51685391 |
4 |
30242 |
2424 |
- |
2485 |
= |
-61 |
* |
(90 |
/ |
267)
|
= |
-20.56179771 |
5 |
30243 |
2457 |
- |
2528 |
= |
-71 |
* |
(79 |
/ |
267)
|
= |
-21.00749058 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Norwood Street Elementary
|
-58 |
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 |
30288 |
2385 |
- |
2436 |
= |
-51 |
* |
(69 |
/ |
248)
|
= |
-14.18951611 |
4 |
30290 |
2421 |
- |
2485 |
= |
-64 |
* |
(89 |
/ |
248)
|
= |
-22.96774189 |
5 |
30292 |
2459 |
- |
2528 |
= |
-69 |
* |
(90 |
/ |
248)
|
= |
-25.04032253 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Norwood Street Elementary
|
-62 |
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 |
30462 |
2400 |
- |
2436 |
= |
-36 |
* |
(88 |
/ |
243)
|
= |
-13.03703701 |
4 |
30463 |
2398 |
- |
2485 |
= |
-87 |
* |
(66 |
/ |
243)
|
= |
-23.62962961 |
5 |
30464 |
2462 |
- |
2528 |
= |
-66 |
* |
(89 |
/ |
243)
|
= |
-24.1728395 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Norwood Street Elementary
|
-61 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-75
|
-74
|
-58
|
-62
|
-61
|
-330.0 |
-66.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -45.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -87.0
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: