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 |
936055 |
2367 |
- |
2436 |
= |
-69 |
* |
(121 |
/ |
464)
|
= |
-17.99353448 |
| 4 |
936058 |
2428 |
- |
2485 |
= |
-57 |
* |
(120 |
/ |
464)
|
= |
-14.74137927 |
| 5 |
936059 |
2459 |
- |
2528 |
= |
-69 |
* |
(116 |
/ |
464)
|
= |
-17.25 |
| 6 |
936062 |
2483 |
- |
2552 |
= |
-69 |
* |
(107 |
/ |
464)
|
= |
-15.91163791 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Ninety-Second Street Elementary
|
-66 |
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 |
29605 |
2407 |
- |
2436 |
= |
-29 |
* |
(141 |
/ |
489)
|
= |
-8.36196318 |
| 4 |
29606 |
2425 |
- |
2485 |
= |
-60 |
* |
(119 |
/ |
489)
|
= |
-14.60122698 |
| 5 |
29609 |
2455 |
- |
2528 |
= |
-73 |
* |
(128 |
/ |
489)
|
= |
-19.10838444 |
| 6 |
29611 |
2487 |
- |
2552 |
= |
-65 |
* |
(101 |
/ |
489)
|
= |
-13.42535786 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Ninety-Second Street Elementary
|
-55 |
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 |
30170 |
2403 |
- |
2436 |
= |
-33 |
* |
(119 |
/ |
476)
|
= |
-8.25 |
| 4 |
30172 |
2421 |
- |
2485 |
= |
-64 |
* |
(144 |
/ |
476)
|
= |
-19.36134451 |
| 5 |
30174 |
2444 |
- |
2528 |
= |
-84 |
* |
(114 |
/ |
476)
|
= |
-20.11764703 |
| 6 |
30176 |
2479 |
- |
2552 |
= |
-73 |
* |
(99 |
/ |
476)
|
= |
-15.18277309 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Ninety-Second Street Elementary
|
-63 |
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 |
30219 |
2414 |
- |
2436 |
= |
-22 |
* |
(120 |
/ |
442)
|
= |
-5.97285066 |
| 4 |
30221 |
2456 |
- |
2485 |
= |
-29 |
* |
(107 |
/ |
442)
|
= |
-7.02036196 |
| 5 |
30223 |
2450 |
- |
2528 |
= |
-78 |
* |
(127 |
/ |
442)
|
= |
-22.41176465 |
| 6 |
30225 |
2456 |
- |
2552 |
= |
-96 |
* |
(88 |
/ |
442)
|
= |
-19.11312211 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Ninety-Second Street 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 |
30393 |
2395 |
- |
2436 |
= |
-41 |
* |
(115 |
/ |
429)
|
= |
-10.99067599 |
| 4 |
30394 |
2454 |
- |
2485 |
= |
-31 |
* |
(111 |
/ |
429)
|
= |
-8.020979 |
| 5 |
30395 |
2486 |
- |
2528 |
= |
-42 |
* |
(99 |
/ |
429)
|
= |
-9.69230766 |
| 6 |
30396 |
2477 |
- |
2552 |
= |
-75 |
* |
(104 |
/ |
429)
|
= |
-18.18181815 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Ninety-Second Street Elementary
|
-47 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-66
|
-55
|
-63
|
-55
|
-47
|
-286.0 |
-57.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -36.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -78.2
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:
