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 |
1848450 |
2338 |
- |
2436 |
= |
-98 |
* |
(56 |
/ |
202)
|
= |
-27.16831676 |
4 |
1848453 |
2387 |
- |
2485 |
= |
-98 |
* |
(54 |
/ |
202)
|
= |
-26.19801974 |
5 |
1848454 |
2417 |
- |
2528 |
= |
-111 |
* |
(32 |
/ |
202)
|
= |
-17.58415835 |
6 |
1848457 |
2468 |
- |
2552 |
= |
-84 |
* |
(60 |
/ |
202)
|
= |
-24.95049497 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for H. W. Harkness 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 |
57139 |
2351 |
- |
2436 |
= |
-85 |
* |
(52 |
/ |
181)
|
= |
-24.41988945 |
4 |
57140 |
2420 |
- |
2485 |
= |
-65 |
* |
(49 |
/ |
181)
|
= |
-17.59668508 |
5 |
57143 |
2453 |
- |
2528 |
= |
-75 |
* |
(47 |
/ |
181)
|
= |
-19.4751381 |
6 |
57145 |
2482 |
- |
2552 |
= |
-70 |
* |
(33 |
/ |
181)
|
= |
-12.76243087 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for H. W. Harkness 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 |
58814 |
2377 |
- |
2436 |
= |
-59 |
* |
(43 |
/ |
189)
|
= |
-13.42328039 |
4 |
58816 |
2443 |
- |
2485 |
= |
-42 |
* |
(51 |
/ |
189)
|
= |
-11.3333333 |
5 |
58818 |
2435 |
- |
2528 |
= |
-93 |
* |
(44 |
/ |
189)
|
= |
-21.65079358 |
6 |
58819 |
2484 |
- |
2552 |
= |
-68 |
* |
(51 |
/ |
189)
|
= |
-18.34920629 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for H. W. Harkness Elementary
|
-65 |
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 |
58928 |
2395 |
- |
2436 |
= |
-41 |
* |
(45 |
/ |
186)
|
= |
-9.9193548 |
4 |
58930 |
2437 |
- |
2485 |
= |
-48 |
* |
(36 |
/ |
186)
|
= |
-9.29032258 |
5 |
58932 |
2431 |
- |
2528 |
= |
-97 |
* |
(53 |
/ |
186)
|
= |
-27.63978489 |
6 |
58934 |
2522 |
- |
2552 |
= |
-30 |
* |
(52 |
/ |
186)
|
= |
-8.38709676 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for H. W. Harkness Elementary
|
-55 |
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 |
59184 |
2370 |
- |
2436 |
= |
-66 |
* |
(47 |
/ |
177)
|
= |
-17.52542372 |
4 |
59185 |
2452 |
- |
2485 |
= |
-33 |
* |
(45 |
/ |
177)
|
= |
-8.3898305 |
5 |
59186 |
2437 |
- |
2528 |
= |
-91 |
* |
(38 |
/ |
177)
|
= |
-19.53672312 |
6 |
59187 |
2501 |
- |
2552 |
= |
-51 |
* |
(47 |
/ |
177)
|
= |
-13.54237287 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for H. W. Harkness Elementary
|
-59 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-96
|
-74
|
-65
|
-55
|
-59
|
-349.0 |
-69.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -117.8
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: