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 |
54461 |
2435 |
- |
2436 |
= |
-1 |
* |
(95 |
/ |
247)
|
= |
-0.38461538 |
| 4 |
54463 |
2471 |
- |
2485 |
= |
-14 |
* |
(90 |
/ |
247)
|
= |
-5.10121457 |
| 5 |
54466 |
2508 |
- |
2528 |
= |
-20 |
* |
(62 |
/ |
247)
|
= |
-5.0202429 |
| Step 4 |
SUM Weighted Distance From Standard to get
2017 Difference From Standard for Harvest Hill S.T.E.A.M. Academy
|
-11 |
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 |
54575 |
2442 |
- |
2436 |
= |
6 |
* |
(105 |
/ |
293)
|
= |
2.15017064 |
| 4 |
54576 |
2484 |
- |
2485 |
= |
-1 |
* |
(95 |
/ |
293)
|
= |
-0.32423208 |
| 5 |
54579 |
2510 |
- |
2528 |
= |
-18 |
* |
(93 |
/ |
293)
|
= |
-5.71331057 |
| Step 4 |
SUM Weighted Distance From Standard to get
2018 Difference From Standard for Harvest Hill S.T.E.A.M. Academy
|
-4 |
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 |
54818 |
2436 |
- |
2436 |
= |
0 |
* |
(91 |
/ |
378)
|
= |
0.0 |
| 4 |
54819 |
2475 |
- |
2485 |
= |
-10 |
* |
(102 |
/ |
378)
|
= |
-2.69841269 |
| 5 |
54820 |
2532 |
- |
2528 |
= |
4 |
* |
(94 |
/ |
378)
|
= |
0.99470899 |
| 6 |
54821 |
2539 |
- |
2552 |
= |
-13 |
* |
(91 |
/ |
378)
|
= |
-3.12962962 |
| Step 4 |
SUM Weighted Distance From Standard to get
2019 Difference From Standard for Harvest Hill S.T.E.A.M. Academy
|
-5 |
Last steps
Compute the average
| 2017 |
2018 |
2019 |
Sum |
Average |
|
-11
|
-4
|
-5
|
-20.0 |
-6.7 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 2.333333333333333333
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -15.666666666666666667
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:
