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 |
2383466 |
2397 |
- |
2436 |
= |
-39 |
* |
(64 |
/ |
183)
|
= |
-13.63934423 |
| 4 |
2383467 |
2406 |
- |
2485 |
= |
-79 |
* |
(61 |
/ |
183)
|
= |
-26.33333331 |
| 5 |
2383470 |
2464 |
- |
2528 |
= |
-64 |
* |
(58 |
/ |
183)
|
= |
-20.28415296 |
| Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Tenderloin Community
|
-60 |
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 |
72786 |
2392 |
- |
2436 |
= |
-44 |
* |
(57 |
/ |
159)
|
= |
-15.7735849 |
| 4 |
72787 |
2434 |
- |
2485 |
= |
-51 |
* |
(50 |
/ |
159)
|
= |
-16.03773581 |
| 5 |
72790 |
2425 |
- |
2528 |
= |
-103 |
* |
(52 |
/ |
159)
|
= |
-33.68553458 |
| Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Tenderloin Community
|
-65 |
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 |
74758 |
2396 |
- |
2436 |
= |
-40 |
* |
(54 |
/ |
145)
|
= |
-14.89655172 |
| 4 |
74760 |
2420 |
- |
2485 |
= |
-65 |
* |
(51 |
/ |
145)
|
= |
-22.86206891 |
| 5 |
74761 |
2487 |
- |
2528 |
= |
-41 |
* |
(40 |
/ |
145)
|
= |
-11.31034479 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Tenderloin Community
|
-49 |
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 |
74932 |
2376 |
- |
2436 |
= |
-60 |
* |
(56 |
/ |
150)
|
= |
-22.39999998 |
| 4 |
74933 |
2409 |
- |
2485 |
= |
-76 |
* |
(45 |
/ |
150)
|
= |
-22.8 |
| 5 |
74936 |
2447 |
- |
2528 |
= |
-81 |
* |
(49 |
/ |
150)
|
= |
-26.45999995 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Tenderloin Community
|
-72 |
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 |
75457 |
2389 |
- |
2436 |
= |
-47 |
* |
(59 |
/ |
159)
|
= |
-17.44025155 |
| 4 |
75458 |
2423 |
- |
2485 |
= |
-62 |
* |
(56 |
/ |
159)
|
= |
-21.83647793 |
| 5 |
75459 |
2445 |
- |
2528 |
= |
-83 |
* |
(44 |
/ |
159)
|
= |
-22.9685534 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Tenderloin Community
|
-62 |
Last steps
Compute the average
| 2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
|
-60
|
-65
|
-49
|
-72
|
-62
|
-308.0 |
-61.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -37.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -85.6
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:
