Question

In: Statistics and Probability

1. The table below show data that has been collected from different fields from various farms...

1. The table below show data that has been collected from different fields from various farms in a certain valley. The table contains the grams of Raspberries tested and the amount of their Vitamin C content in mg. Find a linear model that express Vitamin C content as a function of the weight of the Raspberries.

Round your answers to 3 decimal places

Raspberry Type	grams	Vitamin C content in mg
Farm A - North Field	65	16.4
Farm B - North Field	75	20.8
Farm A - South Field	85	25.3
Farm B - South Field	95	29.8
Farm C -Small Field	105	34.9
Farm D	115	38.8
Farm E	125	43.3

y=______ x+_____

2. An unknown metal has been found and the following experimental results have been tabulated in the table below. The table contains the grams of the unknown metal and the volume in milliliters of water displacement. Find a linear model that express mass as a function of the volume.

Round your answers to 3 decimal places

grams	Volume in ml
13	144.5
14.5	162.8
16	183.3
17.5	202.4
19	211.2
20.5	227.8
22	247

Volume =_______x+__________where x is the grams of the unknown metal

Expert Solution

Question 1

Solution :

Given data

X	Y	XY	X^2	Y^2
65	16.4	1066	4225	268.96
75	20.8	1560	5625	432.64
85	25.3	2150.5	7225	640.09
95	29.8	2831	9025	888.04
105	34.9	3664.5	11025	1218.01
115	38.8	4462	13225	1505.44
125	43.3	5412.5	15625	1874.89
= 665	= 209.3	= 21,146.5	= 65,975	= 6828.07

Least square regression equation =

The least square regression equation is

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orchestra answered 1 year ago

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