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 |
800175 |
2404 |
- |
2436 |
= |
-32 |
* |
(92 |
/ |
265)
|
= |
-11.10943395 |
| 4 |
800178 |
2404 |
- |
2485 |
= |
-81 |
* |
(86 |
/ |
265)
|
= |
-26.28679238 |
| 5 |
800179 |
2434 |
- |
2528 |
= |
-94 |
* |
(87 |
/ |
265)
|
= |
-30.86037728 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Hope Street Elementary
|
-68 |
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 |
25020 |
2405 |
- |
2436 |
= |
-31 |
* |
(87 |
/ |
262)
|
= |
-10.29389311 |
| 4 |
25023 |
2420 |
- |
2485 |
= |
-65 |
* |
(92 |
/ |
262)
|
= |
-22.82442747 |
| 5 |
25025 |
2434 |
- |
2528 |
= |
-94 |
* |
(83 |
/ |
262)
|
= |
-29.77862594 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Hope Street Elementary
|
-63 |
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 |
25518 |
2418 |
- |
2436 |
= |
-18 |
* |
(66 |
/ |
236)
|
= |
-5.03389829 |
| 4 |
25520 |
2414 |
- |
2485 |
= |
-71 |
* |
(82 |
/ |
236)
|
= |
-24.66949152 |
| 5 |
25521 |
2465 |
- |
2528 |
= |
-63 |
* |
(88 |
/ |
236)
|
= |
-23.49152537 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Hope Street Elementary
|
-53 |
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 |
25544 |
2442 |
- |
2436 |
= |
6 |
* |
(68 |
/ |
203)
|
= |
2.00985221 |
| 4 |
25546 |
2448 |
- |
2485 |
= |
-37 |
* |
(60 |
/ |
203)
|
= |
-10.93596057 |
| 5 |
25548 |
2454 |
- |
2528 |
= |
-74 |
* |
(75 |
/ |
203)
|
= |
-27.33990147 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Hope Street Elementary
|
-36 |
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 |
25706 |
2426 |
- |
2436 |
= |
-10 |
* |
(73 |
/ |
202)
|
= |
-3.61386138 |
| 4 |
25707 |
2470 |
- |
2485 |
= |
-15 |
* |
(68 |
/ |
202)
|
= |
-5.04950495 |
| 5 |
25708 |
2483 |
- |
2528 |
= |
-45 |
* |
(61 |
/ |
202)
|
= |
-13.58910891 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Hope Street Elementary
|
-22 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-68
|
-63
|
-53
|
-36
|
-22
|
-242.0 |
-48.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 8.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -105.4
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:
