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 |
2361855 |
2406 |
- |
2436 |
= |
-30 |
* |
(37 |
/ |
114)
|
= |
-9.73684209 |
| 4 |
2361856 |
2474 |
- |
2485 |
= |
-11 |
* |
(37 |
/ |
114)
|
= |
-3.57017543 |
| 5 |
2361859 |
2483 |
- |
2528 |
= |
-45 |
* |
(40 |
/ |
114)
|
= |
-15.78947364 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Milk (Harvey) Civil Rights Elementary
|
-29 |
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 |
72162 |
2406 |
- |
2436 |
= |
-30 |
* |
(36 |
/ |
108)
|
= |
-9.99999999 |
| 4 |
72163 |
2452 |
- |
2485 |
= |
-33 |
* |
(37 |
/ |
108)
|
= |
-11.30555554 |
| 5 |
72166 |
2485 |
- |
2528 |
= |
-43 |
* |
(35 |
/ |
108)
|
= |
-13.93518518 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Milk (Harvey) Civil Rights Elementary
|
-35 |
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 |
74136 |
2381 |
- |
2436 |
= |
-55 |
* |
(32 |
/ |
99)
|
= |
-17.77777777 |
| 4 |
74138 |
2452 |
- |
2485 |
= |
-33 |
* |
(34 |
/ |
99)
|
= |
-11.33333332 |
| 5 |
74140 |
2463 |
- |
2528 |
= |
-65 |
* |
(33 |
/ |
99)
|
= |
-21.66666665 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Milk (Harvey) Civil Rights Elementary
|
-51 |
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 |
74310 |
2421 |
- |
2436 |
= |
-15 |
* |
(31 |
/ |
93)
|
= |
-5.0 |
| 4 |
74311 |
2405 |
- |
2485 |
= |
-80 |
* |
(31 |
/ |
93)
|
= |
-26.66666664 |
| 5 |
74314 |
2453 |
- |
2528 |
= |
-75 |
* |
(31 |
/ |
93)
|
= |
-24.99999998 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Milk (Harvey) Civil Rights Elementary
|
-57 |
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 |
74833 |
2418 |
- |
2436 |
= |
-18 |
* |
(39 |
/ |
93)
|
= |
-7.54838708 |
| 4 |
74834 |
2461 |
- |
2485 |
= |
-24 |
* |
(27 |
/ |
93)
|
= |
-6.96774192 |
| 5 |
74835 |
2437 |
- |
2528 |
= |
-91 |
* |
(27 |
/ |
93)
|
= |
-26.41935478 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Milk (Harvey) Civil Rights Elementary
|
-41 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-29
|
-35
|
-51
|
-57
|
-41
|
-213.0 |
-42.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -9.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -75.6
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:
