Why Do Convenient Stores Have Locks On Their Doors If They Are Always Open?

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your easy use).
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For Q1d , Q1e and Q3a, do and ONLY do the REQUIRED part based on your Student Number's being even or odd.
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Part A: Basic Concepts (30 marks)

As part of the effort to improve U.S. urban planning, the federal government conducted a study to identify key factors that determine the intensity of bus rides in cities. The following regression results are obtained based on a random sample of 40 cities applied to the regression model:
BusRide=β0+β1Income+β2Density+β3Area+u (1a)

BusRide=1,013.6300-0.2354Income+0.4970Density+9.6778Area (1b)
1593.97 0.1023 0.0483 (1.5076)
[n=40, R2=0.7823, SSR=50,200,130]
where BusRide is transportation by bus measured in `000 passenger hours, Income is average annual income per capita in US$, ...

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(9 marks) - for students with even Student Numbers only: Construct a 95% confidence interval for the population regression coefficient β1. Do you think Income has a statistically significant effect on the amount of bus transportation at the 5% level? Briefly explain.

Q1e-odd (9 marks) - for students with odd Student Numbers only: Construct a 95% confidence interval for the population regression coefficient β2. Do you think Density has a statistically significant effect on the amount of bus transportation at the 5% level? Briefly explain.

Q1f (4 marks): We want to test the null hypothesis that a city's average income has no statistically significant effect on the ...

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