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hoa [83]
3 years ago
11

Ted researched the price of airline tickets and discovered a correlation between the price of a ticket and the number of miles t

raveled. After recording his data on a scatter plot, he determined the equation for the line of best fit is y = 300 + 0.45x. What does 0.45 represent in the equation? A) the lowest ticket price B) the number of miles traveled C) the expected change in the price of multiple tickets Eliminate D) the expected change in price of the ticket for each mile traveled
Mathematics
2 answers:
Nookie1986 [14]3 years ago
7 0
D) the expected change in price <span>of the ticket for each mile traveled
Because it is a coloration between the two </span>
andriy [413]3 years ago
4 0
D) the expected change in price <span>of the ticket for each mile traveled
Because it is a coloration between the two </span><span />
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Salim wants to survey the students at his middle school about how much time they spend on homework. he will interview a sample o
Aloiza [94]

Using sampling concepts, it is found that the method that would result in a random sample is given by:

Pick 150 students' names from a jar that has the names of all the students in the school.

<h3>How are samples classified?</h3>

Samples may be classified as:

  • Convenient: Drawn from a conveniently available pool.
  • Random: All the options into a hat and drawn some of them.
  • Systematic: Every kth element is taken.
  • Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
  • Stratified: Also divides the population into groups. Then, a equal proportion of each group is surveyed.

Researching the problem on the internet, the representative(all possible students can possibly be sampled) and random sample is given by the following option:

Pick 150 students' names from a jar that has the names of all the students in the school.

More can be learned about sampling concepts at brainly.com/question/25122507

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8 0
2 years ago
Solve for y: x(y-3)=2y+1
polet [3.4K]

Answer: y=(3x+1)/(x-2)

Step-by-step explanation: Step by step with principles included in the image.

7 0
3 years ago
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For the past several years, the high school theater department has performed a musical in their auditorium. Each year since the
user100 [1]
What’s the question
8 0
3 years ago
Please I need help it's really hard
Vitek1552 [10]
I'd say angle A = angle B
arc tangent (angle B) = 150 / 555
<span><span><span>arc tangent (angle B) = 0.2702702703 </span>
angle B = 15.124 degrees

By the way 555 feet is the height of the Washington Monument.
</span> </span>
3 0
3 years ago
Convert the following to scientific notation: 0.000665.
BaLLatris [955]
- - Step 1: Move the decimal point to the right, until you get greater then 1 and less than 10. In this case we moved it till we got 6.65.
- - Step 2: Count how many times you moved the decimal over: In this case, we moved it 4 times.
- - Step 3: All you have to do now is chose which one has 6.65 over -4.
 (We are saying negative because when you move it to the right, it becomes negative.)
Final answer: A
8 0
3 years ago
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