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 |
2366691 |
2456 |
- |
2436 |
= |
20 |
* |
(85 |
/ |
249)
|
= |
6.82730922 |
4 |
2366694 |
2506 |
- |
2485 |
= |
21 |
* |
(82 |
/ |
249)
|
= |
6.91566265 |
5 |
2366695 |
2556 |
- |
2528 |
= |
28 |
* |
(82 |
/ |
249)
|
= |
9.22088353 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Jefferson Elementary
|
23 |
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 |
72304 |
2472 |
- |
2436 |
= |
36 |
* |
(82 |
/ |
242)
|
= |
12.1983471 |
4 |
72306 |
2506 |
- |
2485 |
= |
21 |
* |
(80 |
/ |
242)
|
= |
6.94214875 |
5 |
72307 |
2555 |
- |
2528 |
= |
27 |
* |
(80 |
/ |
242)
|
= |
8.92561982 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Jefferson Elementary
|
28 |
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 |
74278 |
2481 |
- |
2436 |
= |
45 |
* |
(82 |
/ |
239)
|
= |
15.43933053 |
4 |
74280 |
2516 |
- |
2485 |
= |
31 |
* |
(77 |
/ |
239)
|
= |
9.98744769 |
5 |
74281 |
2535 |
- |
2528 |
= |
7 |
* |
(80 |
/ |
239)
|
= |
2.34309623 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Jefferson Elementary
|
28 |
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 |
74451 |
2490 |
- |
2436 |
= |
54 |
* |
(77 |
/ |
234)
|
= |
17.76923077 |
4 |
74454 |
2517 |
- |
2485 |
= |
32 |
* |
(81 |
/ |
234)
|
= |
11.07692307 |
5 |
74455 |
2547 |
- |
2528 |
= |
19 |
* |
(76 |
/ |
234)
|
= |
6.17094016 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Jefferson 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 |
74975 |
2494 |
- |
2436 |
= |
58 |
* |
(79 |
/ |
239)
|
= |
19.17154811 |
4 |
74976 |
2532 |
- |
2485 |
= |
47 |
* |
(79 |
/ |
239)
|
= |
15.53556485 |
5 |
74977 |
2557 |
- |
2528 |
= |
29 |
* |
(81 |
/ |
239)
|
= |
9.82845186 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Jefferson Elementary
|
45 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
23
|
28
|
28
|
35
|
45
|
159.0 |
31.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 55.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 7.8
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: