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 |
936562 |
2421 |
- |
2436 |
= |
-15 |
* |
(119 |
/ |
460)
|
= |
-3.88043478 |
| 4 |
936563 |
2420 |
- |
2485 |
= |
-65 |
* |
(129 |
/ |
460)
|
= |
-18.22826083 |
| 5 |
936566 |
2431 |
- |
2528 |
= |
-97 |
* |
(118 |
/ |
460)
|
= |
-24.88260868 |
| 6 |
936567 |
2473 |
- |
2552 |
= |
-79 |
* |
(94 |
/ |
460)
|
= |
-16.14347825 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ninety-Sixth Street 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 |
29622 |
2423 |
- |
2436 |
= |
-13 |
* |
(117 |
/ |
422)
|
= |
-3.60426539 |
| 4 |
29625 |
2449 |
- |
2485 |
= |
-36 |
* |
(120 |
/ |
422)
|
= |
-10.2369668 |
| 5 |
29627 |
2450 |
- |
2528 |
= |
-78 |
* |
(113 |
/ |
422)
|
= |
-20.88625586 |
| 6 |
29629 |
2451 |
- |
2552 |
= |
-101 |
* |
(72 |
/ |
422)
|
= |
-17.23222741 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ninety-Sixth Street Elementary
|
-52 |
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 |
30187 |
2416 |
- |
2436 |
= |
-20 |
* |
(105 |
/ |
406)
|
= |
-5.17241378 |
| 4 |
30189 |
2440 |
- |
2485 |
= |
-45 |
* |
(121 |
/ |
406)
|
= |
-13.41133002 |
| 5 |
30191 |
2473 |
- |
2528 |
= |
-55 |
* |
(108 |
/ |
406)
|
= |
-14.63054186 |
| 6 |
30193 |
2469 |
- |
2552 |
= |
-83 |
* |
(72 |
/ |
406)
|
= |
-14.71921178 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ninety-Sixth Street Elementary
|
-48 |
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 |
30237 |
2422 |
- |
2436 |
= |
-14 |
* |
(124 |
/ |
392)
|
= |
-4.42857142 |
| 4 |
30239 |
2446 |
- |
2485 |
= |
-39 |
* |
(97 |
/ |
392)
|
= |
-9.65051018 |
| 5 |
30241 |
2452 |
- |
2528 |
= |
-76 |
* |
(108 |
/ |
392)
|
= |
-20.9387755 |
| 6 |
30243 |
2440 |
- |
2552 |
= |
-112 |
* |
(63 |
/ |
392)
|
= |
-17.99999992 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ninety-Sixth Street Elementary
|
-53 |
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 |
30411 |
2418 |
- |
2436 |
= |
-18 |
* |
(104 |
/ |
386)
|
= |
-4.84974092 |
| 4 |
30412 |
2444 |
- |
2485 |
= |
-41 |
* |
(111 |
/ |
386)
|
= |
-11.79015541 |
| 5 |
30413 |
2461 |
- |
2528 |
= |
-67 |
* |
(97 |
/ |
386)
|
= |
-16.83678751 |
| 6 |
30414 |
2431 |
- |
2552 |
= |
-121 |
* |
(74 |
/ |
386)
|
= |
-23.19689112 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ninety-Sixth Street Elementary
|
-57 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-63
|
-52
|
-48
|
-53
|
-57
|
-273.0 |
-54.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -39.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -69.6
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:
