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 |
2254158 |
2522 |
- |
2436 |
= |
86 |
* |
(118 |
/ |
359)
|
= |
28.2674094 |
| 4 |
2254159 |
2567 |
- |
2485 |
= |
82 |
* |
(113 |
/ |
359)
|
= |
25.81058494 |
| 5 |
2254162 |
2607 |
- |
2528 |
= |
79 |
* |
(128 |
/ |
359)
|
= |
28.16713092 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for La Jolla Elementary
|
82 |
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 |
69176 |
2562 |
- |
2436 |
= |
126 |
* |
(91 |
/ |
323)
|
= |
35.498452 |
| 4 |
69177 |
2592 |
- |
2485 |
= |
107 |
* |
(122 |
/ |
323)
|
= |
40.41486065 |
| 5 |
69179 |
2616 |
- |
2528 |
= |
88 |
* |
(110 |
/ |
323)
|
= |
29.9690402 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for La Jolla Elementary
|
106 |
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 |
71008 |
2565 |
- |
2436 |
= |
129 |
* |
(90 |
/ |
305)
|
= |
38.06557374 |
| 4 |
71010 |
2607 |
- |
2485 |
= |
122 |
* |
(89 |
/ |
305)
|
= |
35.59999992 |
| 5 |
71012 |
2609 |
- |
2528 |
= |
81 |
* |
(126 |
/ |
305)
|
= |
33.46229507 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for La Jolla Elementary
|
107 |
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 |
71154 |
2567 |
- |
2436 |
= |
131 |
* |
(93 |
/ |
276)
|
= |
44.14130425 |
| 4 |
71156 |
2615 |
- |
2485 |
= |
130 |
* |
(84 |
/ |
276)
|
= |
39.56521738 |
| 5 |
71158 |
2624 |
- |
2528 |
= |
96 |
* |
(99 |
/ |
276)
|
= |
34.43478259 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for La Jolla Elementary
|
118 |
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 |
71641 |
2571 |
- |
2436 |
= |
135 |
* |
(93 |
/ |
298)
|
= |
42.13087236 |
| 4 |
71642 |
2610 |
- |
2485 |
= |
125 |
* |
(104 |
/ |
298)
|
= |
43.624161 |
| 5 |
71643 |
2618 |
- |
2528 |
= |
90 |
* |
(101 |
/ |
298)
|
= |
30.50335566 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for La Jolla Elementary
|
116 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
82
|
106
|
107
|
118
|
116
|
529.0 |
105.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 147.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 63.8
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:
