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nata0808 [166]
3 years ago
15

Is the given question a statistical question? Explain. (NOT A MULTIPLE CHOICE)

Mathematics
1 answer:
zimovet [89]3 years ago
4 0

Answers:

  • a) <u>Yes</u>, it is a statistical question
  • b) <u>No</u>, it is not a statistical question

====================================================

Explanations:

  • a) We have a statistical question here because the population is the set of children's literature readers. We then gather a sample of readers (some subset of the population) and ask what their most favorite genre is of the children's literature category. As expected, we're dealing with a categorical variable and it's also qualitative. Each choice "biography", "science fiction", "fantasy", and "mystery" are categories, names or labels. There is no inherent order to any of these, other than alphabetical order, so we consider this a nominal variable.
  • b) J.K. Rowling is best known for writing the Harry Potter series, which belongs in the fantasy section. There is no randomness to this answer and it's a single answer that does not change. You could have some people say that perhaps the genre is action/adventure, though I think "fantasy" is the better fit. We don't have a statistical question because we don't need to gather a sample and conduct a survey to answer this. Part (a) can vary randomly, which is one way to help see that part (a) is a statistical question; however, part (b) is fixed and constant.
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3 years ago
Write an equation in​ slope-intercept form of the line that passes through the given point and is parallel to the graph of the g
Shtirlitz [24]

Answer:

The equation in the slope-intercept form is

y = -5x - 41

Step-by-step explanation:

The given equation in the question is;

y = -5x + 2

The equation of a straight line graph can be written in the form;

y = mx + c

where m is the slope and c is the intercept

From here, we can see that the slope m is -5

Since the line is parallel to the new line we are trying to write its equation, it means that they have the same value of intercept.

Hence, the slope of the new line is also -5

Now, we can write the equation of the new line as;

y = -5x + c

we need to get the value of c here however

To get the value of c, we need to input the value of x and y

From the graph, x = -7 and y = -6

Substituting these values, we have;

-6 = -5(-7) + c

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So the equation of the new line will be;

y = -5x - 41

7 0
3 years ago
Consider the following vector-valued function:~h(t) =〈2 sin(3t),3 cos(3t),√5 sin(3t)〉0≤t≤2π3This defines a smooth parameterized
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Answer:

a) h'(t)= (6cos3t,-9sin3t,3\sqrt[]{5}cos3t)

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Step-by-step explanation:

5 0
3 years ago
What is the answer 5i/(2+3i)^2
Nataly_w [17]
Simplify the following:5 i/(3 i + 2)^2
(3 i + 2)^2 = 4 + 6 i + 6 i - 9 = -5 + 12 i:(5 i)/12 i - 5
Multiply numerator and denominator of (5 i)/(12 i - 5) by 5 + 12 i:(5 i (12 i + 5))/((12 i - 5) (12 i + 5))
(12 i - 5) (12 i + 5) = -5×5 - 5×12 i + 12 i×5 + 12 i×12 i = -25 - 60 i + 60 i - 144 = -169:(5 i (12 i + 5))/-169
i (12 i + 5) = -12 + 5 i:(5 5 i - 12)/(-169)
Multiply numerator and denominator of (5 (5 i - 12))/(-169) by -1:Answer: (-5 (5 i - 12))/169
3 0
3 years ago
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