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 |
340655 |
2505 |
- |
2436 |
= |
69 |
* |
(123 |
/ |
660)
|
= |
12.85909088 |
| 4 |
340657 |
2543 |
- |
2485 |
= |
58 |
* |
(156 |
/ |
660)
|
= |
13.70909089 |
| 5 |
340658 |
2580 |
- |
2528 |
= |
52 |
* |
(194 |
/ |
660)
|
= |
15.28484844 |
| 6 |
340660 |
2625 |
- |
2552 |
= |
73 |
* |
(187 |
/ |
660)
|
= |
20.68333331 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Manchester Gate
|
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 |
10152 |
2527 |
- |
2436 |
= |
91 |
* |
(141 |
/ |
661)
|
= |
19.41149765 |
| 4 |
10153 |
2566 |
- |
2485 |
= |
81 |
* |
(162 |
/ |
661)
|
= |
19.85173977 |
| 5 |
10155 |
2590 |
- |
2528 |
= |
62 |
* |
(162 |
/ |
661)
|
= |
15.19515883 |
| 6 |
10158 |
2645 |
- |
2552 |
= |
93 |
* |
(196 |
/ |
661)
|
= |
27.57639934 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Manchester Gate
|
82 |
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 |
10480 |
2525 |
- |
2436 |
= |
89 |
* |
(143 |
/ |
644)
|
= |
19.76242232 |
| 4 |
10482 |
2562 |
- |
2485 |
= |
77 |
* |
(162 |
/ |
644)
|
= |
19.36956522 |
| 5 |
10484 |
2592 |
- |
2528 |
= |
64 |
* |
(160 |
/ |
644)
|
= |
15.90062106 |
| 6 |
10485 |
2634 |
- |
2552 |
= |
82 |
* |
(179 |
/ |
644)
|
= |
22.79192542 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Manchester Gate
|
78 |
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 |
10491 |
2529 |
- |
2436 |
= |
93 |
* |
(139 |
/ |
643)
|
= |
20.10419902 |
| 4 |
10493 |
2564 |
- |
2485 |
= |
79 |
* |
(159 |
/ |
643)
|
= |
19.53499218 |
| 5 |
10495 |
2587 |
- |
2528 |
= |
59 |
* |
(163 |
/ |
643)
|
= |
14.9564541 |
| 6 |
10497 |
2634 |
- |
2552 |
= |
82 |
* |
(182 |
/ |
643)
|
= |
23.2099533 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Manchester Gate
|
78 |
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 |
10572 |
2529 |
- |
2436 |
= |
93 |
* |
(143 |
/ |
641)
|
= |
20.74726984 |
| 4 |
10573 |
2581 |
- |
2485 |
= |
96 |
* |
(160 |
/ |
641)
|
= |
23.96255846 |
| 5 |
10574 |
2589 |
- |
2528 |
= |
61 |
* |
(156 |
/ |
641)
|
= |
14.84555377 |
| 6 |
10575 |
2632 |
- |
2552 |
= |
80 |
* |
(182 |
/ |
641)
|
= |
22.71450856 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Manchester Gate
|
82 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
63
|
82
|
78
|
78
|
82
|
383.0 |
76.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 97.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 55.6
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:
