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	2139937	2438	-	2436	=	2	*	(86	/	330)	=	0.52121212
4	2139940	2450	-	2485	=	-35	*	(90	/	330)	=	-9.54545452
5	2139941	2515	-	2528	=	-13	*	(76	/	330)	=	-2.99393939
6	2139944	2542	-	2552	=	-10	*	(78	/	330)	=	-2.36363636
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for EastLake Elementary											-14

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	65693	2437	-	2436	=	1	*	(70	/	341)	=	0.20527859
4	65695	2465	-	2485	=	-20	*	(100	/	341)	=	-5.86510262
5	65696	2512	-	2528	=	-16	*	(99	/	341)	=	-4.64516128
6	65699	2553	-	2552	=	1	*	(72	/	341)	=	0.2111437
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for EastLake Elementary											-10

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	67510	2457	-	2436	=	21	*	(79	/	329)	=	5.04255318
4	67513	2492	-	2485	=	7	*	(69	/	329)	=	1.4680851
5	67515	2530	-	2528	=	2	*	(78	/	329)	=	0.47416413
6	67517	2560	-	2552	=	8	*	(103	/	329)	=	2.50455926
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for EastLake Elementary											9

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	67616	2482	-	2436	=	46	*	(58	/	258)	=	10.34108525
4	67618	2502	-	2485	=	17	*	(68	/	258)	=	4.48062015
5	67620	2546	-	2528	=	18	*	(64	/	258)	=	4.46511627
6	67622	2568	-	2552	=	16	*	(68	/	258)	=	4.21705426
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for EastLake Elementary											24

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	68132	2466	-	2436	=	30	*	(73	/	269)	=	8.14126392
4	68133	2515	-	2485	=	30	*	(65	/	269)	=	7.24907061
5	68134	2531	-	2528	=	3	*	(71	/	269)	=	0.79182156
6	68135	2587	-	2552	=	35	*	(60	/	269)	=	7.80669145
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for EastLake Elementary											24

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-14	-10	9	24	24	33.0	6.6

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: 60.6

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: -47.4

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:

	2015	2016	2017	2018	2019
Percent	33%	36%	33%	33%	38%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file