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irinina [24]
3 years ago
7

You have collected data for the 50 U.S. states and estimated the following relationship between the change in the unemployment r

ate from the previous year and the growth rate of the respective state real GDP ​(​). The results are as​ follows: ​
Δur= (0.12) -(0.04)x gy, R2= 0.36, SER= 0.78

Assuming that the estimator has a normal​ distribution, the​ 95% confidence interval for the slope is approximately the​ interval:

a. [-0.31, 0.15]
b. [2.57, 3.05 ]
c. [-0.33, - 0.13]
d. [-0.13, -0.15]
Business
1 answer:
sleet_krkn [62]3 years ago
4 0

Answer:

[ -0.13, -0.15 ]  ( D )

Explanation:

Given data :

sample size ( n ) = 50

Independent variable ( p ) = 1

<u>determine the confidence interval for the slope </u>

Df ( degree of freedom ) = n - p - 1 = ( 50 - 1 - 1 ) = 48

b ( estimated slope ) = -0.23

Standard error of slope = 0.04

confidence interval = 95%

For confidence interval of 95% and Df of 48 ; critical value ( t ) = 2.011

∴ Confidence interval

= -0.23  ±  ( 2.011 * 0.04)

= -0.23 ± 0.08044

=  [ -0.13, -0.15 ]

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Answer:

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This member of the construction crew stands above all the crew chiefs and answers only to the director, the designers, and the b
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4. Technical Director

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Assume General Electric Company agreed in May 2016 to construct a nuclear generator for NSTAR, a utility company serving the Bos
aalyn [17]

Answer:

2016: $300 million; 40%; $60 million

2017: $450 million; 60%; $90 million

Explanation:

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= Costs incurred in 2016 + Costs incurred in 2017

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Percent of total excepted costs:

= Costs incurred in 2016 ÷ Total costs

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= Percent of total excepted cost × Contract price

= 0.4 × $750 million

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8 0
3 years ago
Which sentence in this excerpt from Ambrose Bierce's "An Occurrence at Owl Creek Bridge" uses personification? Excepting the gro
Harrizon [31]

Answer:

The sentence in this excerpt from Ambrose Bierce's "An Occurrence at Owl Creek Bridge" that uses personification is:

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Explanation:

Here, Ambrose Bierce or the narrator addresses death as a person.  He makes death to become a dignitary, capable of visiting a person or community.  Grammatically, personification is a literary device or a figure of speech in which human attributes or characteristics are ascribed to non-human things or objects as if they were human.  It uses metaphor, another literary device, to achieve this attribution.

3 0
3 years ago
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