For the data set shown below, complete parts (a) through (d) below.
x 
20 
30 
40 
50 
60 


y 
100 
93 
89 
85 
70 
(a) Find the estimates of β0 and β1.
β0 ≈b0 = ____ (Round to two decimal places as needed.)
β1 ≈b1 = ____ (Round to two decimal places as needed.)
(b) Compute the standard error, the point estimate for σ.
se= ______ ( Rounding to four decimal places)
(c) Assuming the residuals are normally distributed, determine sb1 .
Sb1= _____ ( Rounding to four decimal places)
(d) Assuming the residuals are normally distributed, test H0 :β1=0 versus H1 :β1≠0 at the α=0.05 level of significance. Use the Pvalue approach.
The Pvalue for this test is _____ (rounding to three decimal places.)
a)
bo=114.600
b1=0.680
b)se =3.5963
c)sb1=0.1137
d)
p value= 0.009
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