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2 years ago

A local gym conducts a survey among the people in a mall. Which survey question would have a qualitative response?

Mathematics

1 answer:

Damm [24]2 years ago

8 0

The survey question that would have a qualitative response is (C) do you exercise daily?

<h3>What is a survey?</h3>

A survey in human subjects research is a set of questions designed to elicit specific information from a specific group of people.
Surveys can be conducted over the phone, by mail, on the internet, or even on street corners or in shopping malls. In fields such as social research and demography, surveys are used to gather or gain knowledge.

Qualitative response:

It is called "open-ended" because the person answering it is free to respond in any way he or she sees fit.
There are no specified response options.
It is called "qualitative" because responses are judged and measured based on emotion rather than mathematics.
So, in the above-given situation, the question "do you exercise daily?" will have a qualitative response.

Therefore, the survey question that would have a qualitative response is (C) do you exercise daily?

Know more about a survey here:

brainly.com/question/12264186

#SPJ4

The complete question is given below:
A local gym conducts a survey among the people in a mall. Which survey question would have a qualitative response?

A. What is the amount of weight you can bench press, in pounds?

B. How much do you weigh, in pounds?

C. Do you exercise daily?

D. How many servings of fruits do you eat every day?

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Anastaziya [24]

Answer:

$\displaystyle \frac{dy}{dx} = \frac{2x + 2}{x^3}$

Step-by-step explanation:

we would like to figure out the derivative of the following:

$\displaystyle \frac{ { 3x }^{2} - 2x - 1 }{ {x}^{2} }$

to do so, let,

$\displaystyle y = \frac{ { 3x }^{2} - 2x - 1 }{ {x}^{2} }$

By simplifying we acquire:

$\displaystyle y = 3 - \frac{2}{x} - \frac{1}{ {x}^{2} }$

use law of exponent which yields:

$\displaystyle y = 3 - 2 {x}^{ - 1} - { {x}^{ - 2} }$

take derivative in both sides:

$\displaystyle \frac{dy}{dx} = \frac{d}{dx} (3 - 2 {x}^{ - 1} - { {x}^{ - 2} } )$

use sum derivation rule which yields:

$\rm\displaystyle \frac{dy}{dx} = \frac{d}{dx} 3 - \frac{d}{dx} 2 {x}^{ - 1} - \frac{d}{dx} {x}^{ - 2}$

By constant derivation we acquire:

$\rm\displaystyle \frac{dy}{dx} = 0 - \frac{d}{dx} 2 {x}^{ - 1} - \frac{d}{dx} {x}^{ - 2}$

use exponent rule of derivation which yields:

$\rm\displaystyle \frac{dy}{dx} = 0 - ( - 2 {x}^{ - 1 -1} ) - ( - 2 {x}^{ - 2 - 1} )$

simplify exponent:

$\rm\displaystyle \frac{dy}{dx} = 0 - ( - 2 {x}^{ -2} ) - ( - 2 {x}^{ - 3} )$

two negatives make positive so,

$\displaystyle \frac{dy}{dx} = 2 {x}^{ -2} + 2 {x}^{ - 3}$

<h3>further simplification if needed:</h3>

by law of exponent we acquire:

$\displaystyle \frac{dy}{dx} = \frac{2 }{x^2}+ \frac{2}{x^3}$

simplify addition:

$\displaystyle \frac{dy}{dx} = \frac{2x + 2}{x^3}$

and we are done!

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3 years ago

A random variable x is uniformly distributed over the interval (-4, 6). Find the standard deviation of x. (Note: Uniform distrib

Pachacha [2.7K]

Answer:

The standard deviation of x is 2.8867

Step-by-step explanation:

The standard deviation of variable x that follows a uniform distribution is calculated as:

$s = \sqrt{\frac{(b-a)^{2} }{12} }$

Where (a,b) is the interval where x is defined.

So, replacing a by -4 and b by 6, the standard deviation is:

$s = \sqrt{\frac{(6-(-4))^{2} }{12} }$

$s = \sqrt{\frac{(10)^{2} }{12} }$

$s=\sqrt{\frac{100}{12} }$

$s=\sqrt{8.3333}$

$s=2.8867$

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4 years ago

The equation of the line of best fit for a scatter plot is yˆ=−14x+10 where x is age in years and y is average number of hours o

son4ous [18]

Hey there!

y = -1/4x + 10

Looking for the amount of hours of sleep for an 8 year old, so x is 8.

Solve for y:

y = -1/4(8) + 10

y = -2 + 10

y = 8

The predicted number of average hours of sleep for an 8 year old is 3. 8 hours.

Hope this helps!

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3 years ago

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krek1111 [17]

Answer:

9,338 is the product of the equation

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mel-nik [20]

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