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 |
765972 |
2462 |
- |
2436 |
= |
26 |
* |
(74 |
/ |
217)
|
= |
8.86635942 |
| 4 |
765973 |
2501 |
- |
2485 |
= |
16 |
* |
(75 |
/ |
217)
|
= |
5.5299539 |
| 5 |
765976 |
2522 |
- |
2528 |
= |
-6 |
* |
(68 |
/ |
217)
|
= |
-1.88018433 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Carver 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 |
24055 |
2481 |
- |
2436 |
= |
45 |
* |
(63 |
/ |
210)
|
= |
13.5 |
| 4 |
24057 |
2518 |
- |
2485 |
= |
33 |
* |
(71 |
/ |
210)
|
= |
11.15714285 |
| 5 |
24058 |
2507 |
- |
2528 |
= |
-21 |
* |
(76 |
/ |
210)
|
= |
-7.59999998 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Carver Elementary
|
17 |
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 |
24555 |
2486 |
- |
2436 |
= |
50 |
* |
(68 |
/ |
199)
|
= |
17.0854271 |
| 4 |
24557 |
2529 |
- |
2485 |
= |
44 |
* |
(63 |
/ |
199)
|
= |
13.92964822 |
| 5 |
24559 |
2548 |
- |
2528 |
= |
20 |
* |
(68 |
/ |
199)
|
= |
6.83417084 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Carver Elementary
|
38 |
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 |
24579 |
2473 |
- |
2436 |
= |
37 |
* |
(88 |
/ |
221)
|
= |
14.73303167 |
| 4 |
24580 |
2532 |
- |
2485 |
= |
47 |
* |
(65 |
/ |
221)
|
= |
13.82352941 |
| 5 |
24583 |
2549 |
- |
2528 |
= |
21 |
* |
(68 |
/ |
221)
|
= |
6.46153845 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Carver Elementary
|
35 |
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 |
24748 |
2494 |
- |
2436 |
= |
58 |
* |
(86 |
/ |
250)
|
= |
19.952 |
| 4 |
24749 |
2528 |
- |
2485 |
= |
43 |
* |
(95 |
/ |
250)
|
= |
16.34 |
| 5 |
24750 |
2541 |
- |
2528 |
= |
13 |
* |
(69 |
/ |
250)
|
= |
3.588 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Carver Elementary
|
40 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
13
|
17
|
38
|
35
|
40
|
143.0 |
28.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 64.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -7.4
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:
