marcimichelesmi marcimichelesmi

11-07-2017
Mathematics

contestada

what is the sst for the data set (1,5),(2,8),(4,14)?

Respuesta :

jettson14 jettson14

28-11-2018

Answer: 42 (apex)

Step-by-step explanation:

Answer Link

patowc330 patowc330

15-05-2020

Answer:

42

Step-by-step explanation:

SST = ∑ ( y − ȳ ) ² (ȳ = pronounced y bar is the mean of y values)

ȳ = (5+8+14)/3 = 27/3 = 9

∑ ( y − ȳ ) ² = ( 5 − 9 ) ² + ( 8 − 9 ) ² + ( 14 − 9 ) ²

= ( − 4 ) ² + ( - 1 ) ² + ( 5 ) ²

= 16 + 1 + 25

= 42

Answer Link

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