A general survey of restaurants is carried out by a representative body to which they belong. The questions asked includ

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answerhappygod
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A general survey of restaurants is carried out by a representative body to which they belong. The questions asked includ

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A general survey of restaurants is carried out by a
representative body to which they belong. The questions asked
include how they would characteristic their
business (cafe, restaurant, other), the number of
customers their premise can seat, the number of
full time staff they employ, last years'
earnings, the amount they had to pay in the last
year in wages, insurance and
electricity, the corresponding amounts they had to
pay the previous year ( previousWages,
previousInsurance and
previousElectricity), whether there had been an
insurance claim taken against them in the last
year and whether or not they open everyday. They
are further asked to indicate on a continuous of 1 to 5 (1 very
unlikely - 5 very likely) that they will be still trading in
one, two and
five years' time.
Assuming the regression model below is valid, decide which of the
following is true.
insurance' = 971 + 86.2 staff - 4.7 businessOther - 5.3
businessRestaurant - 3.8 claimYes
a.
The level of insurance will be 0.6 when the level of business is
Restaurant
b.
The mean value of insurance will be 86.2 for cases with an
average amount of staff
c.
The value of insurance would on average be 3.8 more for cases
where the level of claim is No compared to when it is Yes
d.
The value of insurance would on average decrease by 1 for every
86.2 increase in staff
e.
The level of insurance will be 0.6 when the level of business is
Other
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