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TEA [102]
3 years ago
15

A survey was conducted by a research team to investigate how the education level and years of experience are related to the annu

al income.
Based on the survey’s definition, education level is a categorical variable with five possible levels:
high school
college
some college
university
and "graduate
1. How many dummy variables the analyst should add to the regression model in order to capture "education level" as an independent variable?
Select one:
a) 5
b) 4
c) 3
d) 2
Mathematics
1 answer:
frez [133]3 years ago
3 0

Answer: B) 4

Step-by-step explanation:

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Change 37 1/2% to a fraction
spayn [35]
<span>= (37 1/2%)/100%
= (75/2)/100
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= 3/8

Answer: 3/8</span>
4 0
3 years ago
The figure shows the graphs of three functions. One is the position function of a car, one is the velocity of the car, one is it
Anika [276]

a) Is the twitch - initial positive twitch or sudden movement, which is what makes the car jolt into action.

b) is the acceleration - graph shows the acceleration and deceleration of the car.

c) is the velocity - starts at 0 and increases until the car travels at its right speed.

d) is the position - assuming that the car is going on only one direction. This graph is the only one that does not go back to the x-axis.

5 0
3 years ago
Please help me this is my test I'm stuck on this one
Tema [17]
Ok pretty sure the probability of a 5 is 1/5

The probability of a # greater than 3 is 2/5

And the probability of a 2 or 5 is 2/5

(1/5 is 20% and 2/5 is 40% if you need those)
8 0
3 years ago
What is the source of Yangtze river​
belka [17]

Answer:

Qinghai

Step-by-step explanation:

8 0
3 years ago
You purchase a television anda blu-ray palter together for $1,759. The blue-ray player, by itself, cost $469. How much did the t
satela [25.4K]
Both together cost $1759.
That means that sum of the two prices is $1759.
The operation that is the opposite of addition is subtraction.
We subtract $469 from $1759 to find the price of the televition.

$1759 - $469 =

     1759
  -    469
-----------
     1290

$1759 - $469 = $1290

Answer: The price of the television is $1290.


7 0
3 years ago
Read 2 more answers
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