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An instructor asked a random sample of eight students to record their study times at the beginning of a course. She then made a table

An instructor asked a random sample of eight students to record their study times at the beginning of a course. She then made a table for total hours studied?(x) over 2 weeks and test score?(y) at the end of the 2 weeks. The table is given below. Complete parts?(a) through?(d).

x

9

15

14

21

8

16

16

23

y

91

83

84

72

90

78

87

80

?x=122?, ?y=665?, ?xy=9,952?, ?x2=2,048

a. Compute?SST, SSR, and?SSE, using the?formulas, SST=?y2i??yi2?, SSR=?xiyi??xi?yi2?x2i??xi2?, and SSE=SST?SSR.

SST=nothing ?(Round to two decimal places as?needed.)

please understand with simple steps ( I uploaded picture question as well

image text in transcribed
X 14.3.103 An instructor asked a random sample of eight students to record their study times at the beginning of a course. She then made a table for total hours studied (x) over 2 weeks and test score (y) at the end of the 2 weeks. The table is given below. Complete parts (a) through (d). 9 15 14 21 8 16 16 23 91 83 84 72 90 78 87 80 [x =122, Xy=665, _xy = 9,952, _x2 = 2,048 a. Compute SST, SSR, and SSE, using the formulas, SST = Zy? - (Evi) . SSR= [ Exy; - ( Ex) ( Ex. ) In)2 Ex ? - ( [ x ) 2 In and SSE = SST - SSR. SST = (Round to two decimal places as needed.) On-Screen Keyboard 2 8 9 0 Home PgUp Tab 1]\\ Del End PgDn Caps Enter Insert Pause Shif Shift PrtSon ScrLk

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