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cupoosta [38]
2 years ago
7

An example of a qualitative variable is Multiple Choice number of children in a family. weight of a person. color of ink in a pe

n. miles between oil changes.
Mathematics
1 answer:
Sphinxa [80]2 years ago
3 0

Due to its subject-specific classification, ink color in pens is a qualitative variable.

<h2>What is a Qualitative variable?</h2>
  • The factors that cannot be measured with a numerical value are known as qualitative variables.
  • In order to define anything, these quantities are not quantified or tallied; instead, data is categorized.
  • There is no numerical way to express it.
<h3>Quantitative variable</h3>
  • The other choices are erroneous because the variables that are numerically specified in the other choices—an individual's weight, the number of children, and the number of miles—are these.
  • Therefore, all of those are quantitative variables.

Consequently, option (C) is the appropriate choice.

Learn more about quantitative variables here:

brainly.com/question/14583272

#SPJ4

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creativ13 [48]

Answer:

-10-(-4)

Step-by-step explanation:

8 0
3 years ago
drug sniffing dogs must be 95% accurate in their responses because their handlers don't want them to miss durgs and also don't w
GenaCL600 [577]

Answer:

95% Confidence interval:  (0.8449,0.9951)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 50

Number of times the dog is right, x = 46

\hat{p} = \dfrac{x}{n} = \dfrac{46}{50} = 0.92

95% Confidence interval:

\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

Putting the values, we get:

0.92 \pm 1.96(\sqrt{\dfrac{0.92(1-0.92)}{50}})\\\\ = 0.92\pm 0.0751\\\\=(0.8449,0.9951)

(0.8449,0.9951) is the required 95% confidence interval for the proportion of times the dog will be correct.

7 0
3 years ago
4 is less than w, and 8 is greater than or equal to w​
sesenic [268]

Answer:

4 < w

8 > w

The greater than sign would have a line under it.

Step-by-step explanation:

7 0
3 years ago
What is the ratio of the area of the larger circle to the area of the smaller circle
krek1111 [17]

The formula of an area of a circle:

A=\pi r^2

We have R = 6mm and r = 5 mm.

Substitute:

A_1=\pi(6^2)=36\pi\ mmm^2\\\\A_2=\pi(5^2)=25\pi\ mm^2

The ratio:

\dfrac{A_1}{A_2}=\dfrac{36\pi}{25\pi}=\dfrac{36}{25}

<h3>Answer: 36 : 25</h3>
8 0
4 years ago
A sporting goods store pays $100 for a rubber raft. The percent of markup is 55%. Find the raft’s selling price.
dangina [55]

Your answer would ultimately be A because you would multiply 100 by the percent 55 which u would take the dot like it usually is a the end of the number and move it over to the left two places to get your number then you would multiply 100 by .55 to get 55$

3 0
4 years ago
Read 2 more answers
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