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 |
977214 |
2361 |
- |
2436 |
= |
-75 |
* |
(29 |
/ |
93)
|
= |
-23.3870967 |
4 |
977217 |
2428 |
- |
2485 |
= |
-57 |
* |
(35 |
/ |
93)
|
= |
-21.4516129 |
5 |
977218 |
2481 |
- |
2528 |
= |
-47 |
* |
(29 |
/ |
93)
|
= |
-14.65591393 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for Wilshire Crest Elementary
|
-59 |
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 |
30924 |
2389 |
- |
2436 |
= |
-47 |
* |
(30 |
/ |
84)
|
= |
-16.78571428 |
4 |
30927 |
2409 |
- |
2485 |
= |
-76 |
* |
(25 |
/ |
84)
|
= |
-22.61904757 |
5 |
30928 |
2475 |
- |
2528 |
= |
-53 |
* |
(29 |
/ |
84)
|
= |
-18.29761904 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for Wilshire Crest Elementary
|
-58 |
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 |
31488 |
2398 |
- |
2436 |
= |
-38 |
* |
(28 |
/ |
79)
|
= |
-13.4683544 |
4 |
31490 |
2442 |
- |
2485 |
= |
-43 |
* |
(26 |
/ |
79)
|
= |
-14.15189873 |
5 |
31492 |
2442 |
- |
2528 |
= |
-86 |
* |
(25 |
/ |
79)
|
= |
-27.21518986 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Wilshire Crest Elementary
|
-55 |
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 |
31535 |
2366 |
- |
2436 |
= |
-70 |
* |
(22 |
/ |
67)
|
= |
-22.98507456 |
4 |
31537 |
2407 |
- |
2485 |
= |
-78 |
* |
(24 |
/ |
67)
|
= |
-27.94029849 |
5 |
31539 |
2439 |
- |
2528 |
= |
-89 |
* |
(21 |
/ |
67)
|
= |
-27.89552232 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Wilshire Crest Elementary
|
-79 |
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 |
31712 |
2384 |
- |
2436 |
= |
-52 |
* |
(22 |
/ |
65)
|
= |
-17.59999998 |
4 |
31713 |
2363 |
- |
2485 |
= |
-122 |
* |
(18 |
/ |
65)
|
= |
-33.78461527 |
5 |
31714 |
2414 |
- |
2528 |
= |
-114 |
* |
(25 |
/ |
65)
|
= |
-43.84615378 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Wilshire Crest Elementary
|
-95 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-59
|
-58
|
-55
|
-79
|
-95
|
-346.0 |
-69.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -18.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -120.2
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: