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22/7/2021
Quiz to Chapter 11 (pass:quiz11): Attempt review
Started on State Completed on Time taken Grade
Friday, 16 July 2021, 8:43 PM Finished Friday, 16 July 2021, 8:47 PM 4 mins 13 secs 8.00 out of 10.00 (80%)
Question 1 Complete Mark 1.00 out of 1.00
a. ŷ = 4.88 + 0.525x
b. ŷ = 4.88 + 0.625x
c.
ŷ = 4.98 + 0.725x
d. ŷ = 4.98 + 0.425x
e. None of the other choices is correct
The correct answer is: ŷ = 4.88 + 0.525x
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Quiz to Chapter 11 (pass:quiz11): Attempt review
Question 2 Complete Mark 1.00 out of 1.00
(i):
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Quiz to Chapter 11 (pass:quiz11): Attempt review
(ii):
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Quiz to Chapter 11 (pass:quiz11): Attempt review
(iii):
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Quiz to Chapter 11 (pass:quiz11): Attempt review
a. None of the other choices is correct
b. (ii) c.
(iii)
d. (i)
The correct answer is: (ii)
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Quiz to Chapter 11 (pass:quiz11): Attempt review
Question 3 Complete Mark 1.00 out of 1.00
a. None of the other choices is correct
b. 14.4
c.
2.826
d. 0.942
e. 12.75
The correct answer is: 14.4
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Quiz to Chapter 11 (pass:quiz11): Attempt review
Question 4 Complete Mark 0.00 out of 1.00
a. Fail to reject H0 b. Reject H0
The correct answer is:
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Quiz to Chapter 11 (pass:quiz11): Attempt review
Fail to reject H0
Question 5 Complete Mark 1.00 out of 1.00
a. -0.678 b. 0.678
c.
0.224
d. None of the other choices is correct
e. - 0.224
The correct answer is: 0.224
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Quiz to Chapter 11 (pass:quiz11): Attempt review
Question 6 Complete Mark 0.00 out of 1.00
a. None of the other choices is correct
b. 32.22
c.
38.25
d. 34.53
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Quiz to Chapter 11 (pass:quiz11): Attempt review
e. 30.8
The correct answer is: None of the other choices is correct
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Quiz to Chapter 11 (pass:quiz11): Attempt review
Question 7 Complete Mark 1.00 out of 1.00
a. Reject H0
b. Fail to reject H0
The correct answer is:
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Quiz to Chapter 11 (pass:quiz11): Attempt review
Reject H0
Question 8 Complete Mark 1.00 out of 1.00
Suppose data is obtained from 20 pairs of (x,y) and the sample correlation coefficient is 0.75. Test the hypothesis that H0:ρ =0 against H1: ρ >0 with α=0.05. Let t0.05,18=1.734.
a. Reject H0
b. Fail to reject H0
The correct answer is: Reject H0
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Quiz to Chapter 11 (pass:quiz11): Attempt review
Question 9 Complete Mark 1.00 out of 1.00
a. y=13.3+3.3x
b. y=19-2.07x
c.
y=13.3 - 3.3x
d. None of the other choices is correct
e. y=19+2.07x
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Quiz to Chapter 11 (pass:quiz11): Attempt review
The correct answer is: y=19+2.07x
Question 10 Complete Mark 1.00 out of 1.00
a. ŷ = 3.0x
b. ŷ= 2.8x
c.
None of the other choices is correct
d. ŷ= 0.15 + 3.0x
e. ŷ= 0.15 + 2.8x
The correct answer is: ŷ = 3.0x
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