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 |
11 |
805362 |
2513 |
- |
2628 |
= |
-115 |
* |
(109 |
/ |
109)
|
= |
-115.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2015 Difference From Standard for School of Business and Tourism at Contreras Learning Complex
|
-115 |
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 |
11 |
25198 |
2578 |
- |
2628 |
= |
-50 |
* |
(81 |
/ |
81)
|
= |
-50.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2016 Difference From Standard for School of Business and Tourism at Contreras Learning Complex
|
-50 |
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 |
11 |
25696 |
2537 |
- |
2628 |
= |
-91 |
* |
(74 |
/ |
74)
|
= |
-91.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for School of Business and Tourism at Contreras Learning Complex
|
-91 |
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 |
11 |
25723 |
2539 |
- |
2628 |
= |
-89 |
* |
(99 |
/ |
99)
|
= |
-89.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for School of Business and Tourism at Contreras Learning Complex
|
-89 |
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 |
11 |
25882 |
2500 |
- |
2628 |
= |
-128 |
* |
(97 |
/ |
97)
|
= |
-128.0 |
Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for School of Business and Tourism at Contreras Learning Complex
|
-128 |
Last steps
Compute the average
2015 |
2016 |
2017 |
2018 |
2019 |
Sum |
Average |
-115
|
-50
|
-91
|
-89
|
-128
|
-473.0 |
-94.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -7.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -181.6
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: