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	339330	2385	-	2436	=	-51	*	(37	/	112)	=	-16.84821424
4	339333	2470	-	2485	=	-15	*	(35	/	112)	=	-4.6875
5	339334	2463	-	2528	=	-65	*	(20	/	112)	=	-11.60714282
6	339337	2520	-	2552	=	-32	*	(20	/	112)	=	-5.7142857
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sunset Elementary											-39

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	10112	2399	-	2436	=	-37	*	(35	/	109)	=	-11.88073393
4	10114	2479	-	2485	=	-6	*	(30	/	109)	=	-1.65137614
5	10115	2531	-	2528	=	3	*	(27	/	109)	=	0.74311927
6	10117	2490	-	2552	=	-62	*	(17	/	109)	=	-9.66972472
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sunset Elementary											-22

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	10440	2444	-	2436	=	8	*	(38	/	118)	=	2.57627118
4	10442	2439	-	2485	=	-46	*	(30	/	118)	=	-11.69491525
5	10443	2497	-	2528	=	-31	*	(27	/	118)	=	-7.09322033
6	10445	2581	-	2552	=	29	*	(23	/	118)	=	5.65254237
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sunset Elementary											-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	10452	2381	-	2436	=	-55	*	(33	/	118)	=	-15.38135588
4	10454	2476	-	2485	=	-9	*	(36	/	118)	=	-2.74576271
5	10456	2483	-	2528	=	-45	*	(25	/	118)	=	-9.53389827
6	10458	2573	-	2552	=	21	*	(24	/	118)	=	4.27118643
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sunset Elementary											-23

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	10532	2406	-	2436	=	-30	*	(46	/	136)	=	-10.14705882
4	10533	2430	-	2485	=	-55	*	(33	/	136)	=	-13.34558819
5	10534	2527	-	2528	=	-1	*	(33	/	136)	=	-0.24264706
6	10535	2570	-	2552	=	18	*	(24	/	136)	=	3.17647058
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sunset Elementary											-21

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-39	-22	-11	-23	-21	-116.0	-23.2

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: 6.8

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: -53.2

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:

	2015	2016	2017	2018	2019
Percent	75%	77%	78%	81%	80%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file