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frutty [35]
4 years ago
10

A bloomberg businessweek north american subscriber study collected data from a sample of 2861 subscribers. fifty-nine percent of

the respondents indicated an annual income of $75,000 or more, and 50% reported having an american express credit card.
a. what is the population of interest in this study?
b. is annual income a categorical or quantitative variable?
c. is ownership of an american express card a categorical or quantitative variable?
d. does this study involve cross-sectional or time series data?
e. describe any statistical inferences bloomberg businessweek might make on the basis of the survey.
Business
1 answer:
ollegr [7]4 years ago
4 0

a. The population of this study consists of all subscribers to Bloomberg Newsweek in North America.

b. Quantitative variables are those that can be measured numerically. Annual income is a quantitative variable since it can be expressed in numbers.  

c. Categorical variables are those that can’t be quantified. They can only take on a fixed number of values. In this case, the question ‘do you own an American express credit card’ can take on only two values – Yes or No. So, the ownership of an American Express credit card is a categorical variable.

d. The data above gives two different values that describe the same population at the same time, it involves cross-sectional data.

Time-series data refers to data that is collected at equally spaced time intervals. For e.g. production of wheat in each year for the last 10 years, the amount of rainfall received over each of the last five years etc.

Cross-sectional data refers to data from many (similar)individual groups at one given point in time. For e.g. Prices of different varieties of corn on a particular day.

e. On the basis of the survey, Bloomberg Newsweek might infer that at least some of its subscribers with an income of $75,000 or more have an American Express credit card.

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WITCHER [35]

Answer:

See below

Explanation:

Specialization means a company or country concentrating on producing few commodities. In practice, a state or company will focus on the products it can produce more efficiently. It means focusing on goods they can manufacture at a lower cost compared to other countries.  

The USA can specialize in the goods and services it can produce at a lower cost than other nations. It can then export these products to other countries at competitive prices. For products that are costly to manufacture in the USA, it is prudent to import them from countries that can produce them at lower costs.  

Some products manufactured in other countries at a lower cost may be sold in the USA at fair prices than when produced in the USA.

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4 years ago
you are a consultant to a firm evaluating an expansion of its current business. The cash flow forecasts (in millions of dollar)
timama [110]

Question

you are a consultant to a firm evaluating an expansion of its current business. The cash flow forecasts (in millions of dollar) for the project as follows:

Year     cashflow

0           -100

1-10            15

0n the basis of the behavior of the firm's stock, you believe that the beta of the firm is 1.30. Assuming that the rate of return available on risk-free investments is 5% and that the expected rate of return on the market portfolio is 15% what is the net present value of the project

Answer:

NPV= -$32.58

Explanation:

The net present value of the investment is the cash inflow from the investment discounted at required rate of return. The required rate of return can be determined using the the formula below:

Ke= Rf +β(Rm-Rf)  

Ke =? , Rf- 5%,, Rm-15%, β- 1.30

Ke=5% + 1.30× (15-5)=  18%

The NPV = Present value of cash inflow - initial cost

 =  A×(1-(1+r)^(-10)/r  - initial cost

A- 15, r-18%

NPV = 15× (1-1.18^(-10)/0.18 - 100= -32.58

NPV = -$32.58

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3 years ago
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