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 |
2271129 |
2434 |
- |
2436 |
= |
-2 |
* |
(90 |
/ |
273)
|
= |
-0.65934066 |
| 4 |
2271132 |
2491 |
- |
2485 |
= |
6 |
* |
(87 |
/ |
273)
|
= |
1.91208791 |
| 5 |
2271133 |
2560 |
- |
2528 |
= |
32 |
* |
(96 |
/ |
273)
|
= |
11.25274723 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Hickman Elementary
|
13 |
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 |
69652 |
2423 |
- |
2436 |
= |
-13 |
* |
(65 |
/ |
207)
|
= |
-4.08212559 |
| 4 |
69654 |
2530 |
- |
2485 |
= |
45 |
* |
(68 |
/ |
207)
|
= |
14.78260868 |
| 5 |
69656 |
2568 |
- |
2528 |
= |
40 |
* |
(74 |
/ |
207)
|
= |
14.29951688 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Hickman Elementary
|
25 |
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 |
71485 |
2458 |
- |
2436 |
= |
22 |
* |
(75 |
/ |
194)
|
= |
8.50515464 |
| 4 |
71486 |
2532 |
- |
2485 |
= |
47 |
* |
(58 |
/ |
194)
|
= |
14.05154638 |
| 5 |
71489 |
2565 |
- |
2528 |
= |
37 |
* |
(61 |
/ |
194)
|
= |
11.63402059 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Hickman Elementary
|
34 |
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 |
71629 |
2487 |
- |
2436 |
= |
51 |
* |
(67 |
/ |
202)
|
= |
16.91584157 |
| 4 |
71631 |
2538 |
- |
2485 |
= |
53 |
* |
(73 |
/ |
202)
|
= |
19.15346531 |
| 5 |
71633 |
2553 |
- |
2528 |
= |
25 |
* |
(62 |
/ |
202)
|
= |
7.67326733 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Hickman Elementary
|
44 |
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 |
72115 |
2473 |
- |
2436 |
= |
37 |
* |
(65 |
/ |
206)
|
= |
11.67475726 |
| 4 |
72116 |
2561 |
- |
2485 |
= |
76 |
* |
(74 |
/ |
206)
|
= |
27.3009708 |
| 5 |
72117 |
2563 |
- |
2528 |
= |
35 |
* |
(67 |
/ |
206)
|
= |
11.38349513 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Hickman Elementary
|
50 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
13
|
25
|
34
|
44
|
50
|
166.0 |
33.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 75.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -8.8
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:
