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 |
2262353 |
2489 |
- |
2436 |
= |
53 |
* |
(116 |
/ |
230)
|
= |
26.73043478 |
| 4 |
2262356 |
2528 |
- |
2485 |
= |
43 |
* |
(114 |
/ |
230)
|
= |
21.31304344 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Silver Gate Elementary
|
48 |
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 |
69417 |
2488 |
- |
2436 |
= |
52 |
* |
(105 |
/ |
220)
|
= |
24.8181818 |
| 4 |
69420 |
2543 |
- |
2485 |
= |
58 |
* |
(115 |
/ |
220)
|
= |
30.31818178 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Silver Gate Elementary
|
55 |
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 |
71251 |
2481 |
- |
2436 |
= |
45 |
* |
(96 |
/ |
196)
|
= |
22.04081631 |
| 4 |
71253 |
2525 |
- |
2485 |
= |
40 |
* |
(100 |
/ |
196)
|
= |
20.40816324 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Silver Gate Elementary
|
42 |
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 |
71396 |
2514 |
- |
2436 |
= |
78 |
* |
(95 |
/ |
184)
|
= |
40.27173907 |
| 4 |
71397 |
2521 |
- |
2485 |
= |
36 |
* |
(89 |
/ |
184)
|
= |
17.41304347 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Silver Gate Elementary
|
58 |
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 |
71882 |
2520 |
- |
2436 |
= |
84 |
* |
(104 |
/ |
190)
|
= |
45.97894736 |
| 4 |
71883 |
2553 |
- |
2485 |
= |
68 |
* |
(86 |
/ |
190)
|
= |
30.7789473 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Silver Gate Elementary
|
77 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
48
|
55
|
42
|
58
|
77
|
280.0 |
56.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 95.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 17.0
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:
