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 |
1844995 |
2336 |
- |
2436 |
= |
-100 |
* |
(61 |
/ |
214)
|
= |
-28.5046728 |
4 |
1844998 |
2402 |
- |
2485 |
= |
-83 |
* |
(56 |
/ |
214)
|
= |
-21.71962609 |
5 |
1844999 |
2416 |
- |
2528 |
= |
-112 |
* |
(48 |
/ |
214)
|
= |
-25.12149528 |
6 |
1845002 |
2442 |
- |
2552 |
= |
-110 |
* |
(49 |
/ |
214)
|
= |
-25.18691582 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Bret Harte Elementary
|
-101 |
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 |
57044 |
2340 |
- |
2436 |
= |
-96 |
* |
(48 |
/ |
192)
|
= |
-24.0 |
4 |
57047 |
2391 |
- |
2485 |
= |
-94 |
* |
(51 |
/ |
192)
|
= |
-24.96875 |
5 |
57048 |
2428 |
- |
2528 |
= |
-100 |
* |
(49 |
/ |
192)
|
= |
-25.5208333 |
6 |
57050 |
2458 |
- |
2552 |
= |
-94 |
* |
(44 |
/ |
192)
|
= |
-21.5416666 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Bret Harte Elementary
|
-96 |
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 |
58720 |
2363 |
- |
2436 |
= |
-73 |
* |
(33 |
/ |
170)
|
= |
-14.17058823 |
4 |
58721 |
2382 |
- |
2485 |
= |
-103 |
* |
(43 |
/ |
170)
|
= |
-26.05294113 |
5 |
58723 |
2400 |
- |
2528 |
= |
-128 |
* |
(43 |
/ |
170)
|
= |
-32.37647053 |
6 |
58726 |
2432 |
- |
2552 |
= |
-120 |
* |
(51 |
/ |
170)
|
= |
-36.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Bret Harte Elementary
|
-109 |
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 |
58835 |
2343 |
- |
2436 |
= |
-93 |
* |
(35 |
/ |
147)
|
= |
-22.14285713 |
4 |
58836 |
2362 |
- |
2485 |
= |
-123 |
* |
(35 |
/ |
147)
|
= |
-29.28571427 |
5 |
58839 |
2394 |
- |
2528 |
= |
-134 |
* |
(34 |
/ |
147)
|
= |
-30.99319728 |
6 |
58840 |
2404 |
- |
2552 |
= |
-148 |
* |
(43 |
/ |
147)
|
= |
-43.29251689 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Bret Harte Elementary
|
-126 |
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 |
59090 |
2367 |
- |
2436 |
= |
-69 |
* |
(32 |
/ |
132)
|
= |
-16.7272727 |
4 |
59091 |
2385 |
- |
2485 |
= |
-100 |
* |
(36 |
/ |
132)
|
= |
-27.2727272 |
5 |
59092 |
2368 |
- |
2528 |
= |
-160 |
* |
(33 |
/ |
132)
|
= |
-40.0 |
6 |
59093 |
2398 |
- |
2552 |
= |
-154 |
* |
(31 |
/ |
132)
|
= |
-36.16666654 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Bret Harte Elementary
|
-120 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-101
|
-96
|
-109
|
-126
|
-120
|
-552.0 |
-110.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -74.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -146.4
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: