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	74062	2403	-	2436	=	-33	*	(71	/	150)	=	-15.61999999
4	74063	2407	-	2485	=	-78	*	(44	/	150)	=	-22.87999997
5	74066	2467	-	2528	=	-61	*	(35	/	150)	=	-14.23333331
Step 4	SUM Weighted Distance From Standard to get 2015 Difference From Standard for Manzanita SEED Elementary											-53

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	1988	2376	-	2436	=	-60	*	(74	/	191)	=	-23.24607324
4	1990	2428	-	2485	=	-57	*	(71	/	191)	=	-21.18848164
5	1991	2439	-	2528	=	-89	*	(46	/	191)	=	-21.43455494
Step 4	SUM Weighted Distance From Standard to get 2016 Difference From Standard for Manzanita SEED Elementary											-66

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	2046	2399	-	2436	=	-37	*	(59	/	189)	=	-11.55026454
4	2048	2447	-	2485	=	-38	*	(63	/	189)	=	-12.66666665
5	2049	2486	-	2528	=	-42	*	(67	/	189)	=	-14.88888887
Step 4	SUM Weighted Distance From Standard to get 2017 Difference From Standard for Manzanita SEED Elementary											-39

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	2055	2438	-	2436	=	2	*	(53	/	174)	=	0.6091954
4	2057	2438	-	2485	=	-47	*	(62	/	174)	=	-16.74712643
5	2059	2452	-	2528	=	-76	*	(59	/	174)	=	-25.77011488
Step 4	SUM Weighted Distance From Standard to get 2018 Difference From Standard for Manzanita SEED Elementary											-42

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	2065	2428	-	2436	=	-8	*	(60	/	175)	=	-2.74285714
4	2066	2457	-	2485	=	-28	*	(55	/	175)	=	-8.79999999
5	2067	2436	-	2528	=	-92	*	(60	/	175)	=	-31.54285706
Step 4	SUM Weighted Distance From Standard to get 2019 Difference From Standard for Manzanita SEED Elementary											-43

Last steps

Compute the average

2015	2016	2017	2018	2019	Sum	Average
-53	-66	-39	-42	-43	-243.0	-48.6

Compute the Upper Control Limit

Simply compute the standard deviation and multiply by 3 and add to the average: -15.6

Compute the Lower Control Limit

Simply compute the standard deviation and multiply by 3 and subtract from the average: -81.6

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:

	2015	2016	2017	2018	2019
Percent	70%	76%	65%	66%	65%
Data source	2015 data file	2016 data file	2017 data file	2018 data file	2019 data file