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Ymorist [56]
2 years ago
8

Explain why two variables must both be quantitative in order to find the correlation between them

Mathematics
1 answer:
Butoxors [25]2 years ago
4 0

If the variables are not quantitative we cannot do the arithmetic required in the formulas for r.

<h3>What is a variable?</h3>
  • A variable in mathematics is a symbol and placeholder for a changing quantity or any mathematical object.
  • A variable can specifically represent a number, a vector, a matrix, a function, a function's argument, a set, or an element of a set.

Quantitative order:

  • Quantitative methods emphasize objective measurements and statistical, mathematical, or numerical analysis of data gathered through polls, questionnaires, and surveys, as well as by manipulating pre-existing statistical data using computational techniques.
  • Ordinal-level measurement data can be quantitative or qualitative.
  • They can be arranged in ranked order, but differences between entries are meaningless.
  • Measurement data at the interval level are quantitative.
  • They can be arranged in any order, and meaningful differences between data entries can be calculated.
  • We can't do the arithmetic required in the r formulas if the variables aren't quantitative.

Therefore, if the variables are not quantitative we cannot do the arithmetic required in the formulas for r.

Know more about quantitative data here:

brainly.com/question/24492737

#SPJ4

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A pond is freshly stocked with 6 brown trout and 18 lake trout. The first fisherman in the area catches and releases a trout. He
Andreas93 [3]

Number of brown trout = 6

Number of lake trout = 18

Total number of trouts = 6+18=24

Probability to catch a lake trout first time = \frac{18}{24}

As the fisherman let the trout go, so probability for the second time is =

\frac{18}{24}

Hence, the probability becomes=

\frac{18}{24}\times\frac{18}{24}=\frac{324}{576}

= \frac{9}{16}

The probability to find the brown trout is \frac{1}{16}

as , \frac{6}{24}\times\frac{6}{24}=\frac{36}{576}

= \frac{6}{96}=\frac{1}{16}

8 0
3 years ago
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The grocery store charges $6.85 for 5 bags of potatoes.if someone bought 7 bags of potatoes, how much would it cost them
NikAS [45]
The answer is $9.59 as one bag is $1.37 so time that by seven and you get that
8 0
3 years ago
How do lower prices tend to affect demand?
stich3 [128]

For this case what you should do is observe the classic graph of supply and demand.

In this graph, we are going to visualize only the demand curve.

Two facts are met for the claim:

1) If the price is high, the quantity demanded decreases.

2) If the price is low, the quantity demanded increases.

Answer:

The lower prices imply an increase in the quantity demanded.

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Question 4 of 10
Nataly_w [17]

Are you sure that one of the variables is v and not y?

v+4= -2(x-1)

Since you posted v, I will use v in place of y.

v + 4 = -2x + 2

v = -2x + 2 - 4

v = -2x - 2

Done!

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Corey is 12 years older than Donovan. Five years ago the sum of their age was 28. How old are they now?
larisa [96]

Answer:

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Step-by-step explanation:


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