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 |
1992033 |
2366 |
- |
2436 |
= |
-70 |
* |
(99 |
/ |
298)
|
= |
-23.25503355 |
| 4 |
1992036 |
2429 |
- |
2485 |
= |
-56 |
* |
(92 |
/ |
298)
|
= |
-17.28859059 |
| 5 |
1992037 |
2454 |
- |
2528 |
= |
-74 |
* |
(107 |
/ |
298)
|
= |
-26.57046975 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Mango Elementary
|
-67 |
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 |
61268 |
2373 |
- |
2436 |
= |
-63 |
* |
(115 |
/ |
295)
|
= |
-24.559322 |
| 4 |
61270 |
2438 |
- |
2485 |
= |
-47 |
* |
(92 |
/ |
295)
|
= |
-14.65762708 |
| 5 |
61272 |
2483 |
- |
2528 |
= |
-45 |
* |
(88 |
/ |
295)
|
= |
-13.42372878 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Mango Elementary
|
-53 |
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 |
63046 |
2386 |
- |
2436 |
= |
-50 |
* |
(93 |
/ |
313)
|
= |
-14.85623 |
| 4 |
63049 |
2433 |
- |
2485 |
= |
-52 |
* |
(121 |
/ |
313)
|
= |
-20.10223639 |
| 5 |
63051 |
2452 |
- |
2528 |
= |
-76 |
* |
(99 |
/ |
313)
|
= |
-24.0383386 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Mango Elementary
|
-59 |
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 |
63129 |
2383 |
- |
2436 |
= |
-53 |
* |
(81 |
/ |
279)
|
= |
-15.38709674 |
| 4 |
63131 |
2437 |
- |
2485 |
= |
-48 |
* |
(89 |
/ |
279)
|
= |
-15.31182792 |
| 5 |
63132 |
2445 |
- |
2528 |
= |
-83 |
* |
(109 |
/ |
279)
|
= |
-32.42652325 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Mango Elementary
|
-63 |
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 |
63399 |
2386 |
- |
2436 |
= |
-50 |
* |
(96 |
/ |
270)
|
= |
-17.77777775 |
| 4 |
63400 |
2421 |
- |
2485 |
= |
-64 |
* |
(79 |
/ |
270)
|
= |
-18.72592589 |
| 5 |
63401 |
2436 |
- |
2528 |
= |
-92 |
* |
(95 |
/ |
270)
|
= |
-32.37037029 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Mango Elementary
|
-69 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-67
|
-53
|
-59
|
-63
|
-69
|
-311.0 |
-62.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -44.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -80.2
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:
