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 |
2271761 |
2460 |
- |
2436 |
= |
24 |
* |
(60 |
/ |
193)
|
= |
7.4611399 |
| 4 |
2271762 |
2504 |
- |
2485 |
= |
19 |
* |
(66 |
/ |
193)
|
= |
6.49740931 |
| 5 |
2271765 |
2528 |
- |
2528 |
= |
0 |
* |
(67 |
/ |
193)
|
= |
0.0 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Tierrasanta Elementary
|
14 |
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 |
69667 |
2457 |
- |
2436 |
= |
21 |
* |
(62 |
/ |
190)
|
= |
6.85263157 |
| 4 |
69669 |
2505 |
- |
2485 |
= |
20 |
* |
(65 |
/ |
190)
|
= |
6.84210526 |
| 5 |
69672 |
2566 |
- |
2528 |
= |
38 |
* |
(63 |
/ |
190)
|
= |
12.59999999 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Tierrasanta Elementary
|
26 |
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 |
71501 |
2489 |
- |
2436 |
= |
53 |
* |
(85 |
/ |
215)
|
= |
20.95348836 |
| 4 |
71502 |
2521 |
- |
2485 |
= |
36 |
* |
(61 |
/ |
215)
|
= |
10.21395348 |
| 5 |
71505 |
2572 |
- |
2528 |
= |
44 |
* |
(69 |
/ |
215)
|
= |
14.12093021 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Tierrasanta Elementary
|
45 |
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 |
71645 |
2479 |
- |
2436 |
= |
43 |
* |
(50 |
/ |
213)
|
= |
10.09389671 |
| 4 |
71648 |
2528 |
- |
2485 |
= |
43 |
* |
(88 |
/ |
213)
|
= |
17.76525818 |
| 5 |
71649 |
2541 |
- |
2528 |
= |
13 |
* |
(75 |
/ |
213)
|
= |
4.57746479 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Tierrasanta Elementary
|
32 |
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 |
72131 |
2476 |
- |
2436 |
= |
40 |
* |
(69 |
/ |
214)
|
= |
12.89719624 |
| 4 |
72132 |
2502 |
- |
2485 |
= |
17 |
* |
(56 |
/ |
214)
|
= |
4.44859811 |
| 5 |
72133 |
2562 |
- |
2528 |
= |
34 |
* |
(89 |
/ |
214)
|
= |
14.1401869 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Tierrasanta Elementary
|
31 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
14
|
26
|
45
|
32
|
31
|
148.0 |
29.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 62.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -3.4
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:
