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velikii [3]
3 years ago
15

One investigating company tracked all credit card purchase during 2012 and measured two variables: (1) the type of credit card u

sed (VISA, MasterCard, American Express, or Discover), and (2) the amount (in dollars) of each purchase. Identify the level of each variable measured.
Business
1 answer:
Sergeeva-Olga [200]3 years ago
3 0

The level of each variable measured is (1)  the type of credit card is Nominal variable or a categorical variable which comes under multiple categories.(2) the amount (in dollars) of each purchase is ration variable it can have both discrete it starts at a fixed zero point.

Explanation:

  • There are four levels of measurement, while analyzing data of columns.
  • Nominal,Ordinal, Interval and ratio.
  • Nominal each row of that particular column has specific identification.
  • Nominal can have classification race,gender,ethnicity.
  • Ordinal data is based on the ranking system, order or list.
  • Numbers are still used arbitrary.
  • Interval distance between the numbers Celsius,Fahrenheit and kelvin.
  • Ratio data has an absolute zero point non-arbitrary, It is measuring .
  • Blood pressure is a common example of ratio data.
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If the elasticity of demand for college textbooks is -0.1, and the price of textbooks increases by 20%, how much will the quanti
elixir [45]

Answer:

The quantity demanded will decrease by 2%.

Explanation:

This can be determined using the elasticity formula as follows:

e = Percentage change in quantity demanded change / Percentage change in price ........ (1)

Where;

e = elasticity of demand for college textbooks = -0.1

Percentage change in quantity demanded change = ?

Percentage change in price = 20%

Substituting the values into equation (1) and solve for Percentage change in quantity demanded change

-0.1 = Percentage change in quantity demanded change / 20%

Percentage change in quantity demanded change = -0.1 * 20% = -0.02, or -2%

Since the Percentage change in quantity demanded change is negative 2%, it implies that the quantity demanded will decrease by 2%.

6 0
3 years ago
When the Wright brothers designed their aircraft, they built a wind tunnel to model the aerodynamics of different wing designs.
kodGreya [7K]

Answer:

Endogenous factors (variables that can be controlled when performing a model test):

  • aircraft speed
  • wing angle

The Wright brothers used the wind tunnel to improve the design of their aircraft's wings.

Exogenous factors (variables that cannot be controlled when performing a model test):

  • wind and rain
  • air pressure

No one can control the climate.

8 0
3 years ago
Suppose you are buying your first condo for $145,000, and you will make a $15,000 down payment. You will finance the remainder w
postnew [5]

Answer:

$819.98

Explanation:

After making downpayment, the remaining amount is $145,000 - 15000 = $130,000

Using financial calculator:

PV = 130,000

n = 30 years = 360 months

i/r = 6.5%/year = 0.54% / month

FV = 0

PMT = ? (Monthly payment = ?)

--> Monthly payment = $819.98

5 0
3 years ago
On February 1, 2019, the balance of the retained earnings account of Blue Power Corporation was $315,000. Revenues for February
Pani-rosa [81]

Answer:

The retained earnings balance on February 28, 2019 is $305.000.

Explanation:

Balance of the retained earnings account on February 1, 2019 = $315,000

Revenue for February 2019 = $61,000

Expenses for February 2019 = $65,000

Dividend declared in February 2019 = $6,000

Net Income = Revenue - Expenses = 61,000 - 65,000 = -4,000

Ending Balance of Retained Earning = Beginning balance of retained earning + net Income - dividend =

Ending Balance of Retained Earning = $315,000 + (-4000) - $6,000

Ending Balance of Retained Earning = $305,000

The retained earnings balance on February 28, 2019 is $305.000.

6 0
3 years ago
Other things the same, if the interest rate falls, then a. firms will want to borrow more, which increases the quantity of loana
Svet_ta [14]

Answer: (a).

Annexure: <u>Since a part of the information was found missing in the question, a similar question has been provided as an attachment for reference. </u>

If the interest rate falls with other things remaining constant, a firm would like to raise more money via debt instruments.

This will lead to an increase in the quantity of loanable funds demanded.

This would further lead to increase in the level of invested funds by the public as it would get cheaper for the corporates to avail loans.

7 0
3 years ago
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