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coldgirl [10]
2 years ago
11

Researchers assess the value of a project by comparing the Blank______ of answering some of their questions and the Blank______

associated with conducting the research.
a) benefits; costs
b) quality; difficulty
c) difficulty; costs
d) benefits; difficulty
Business
1 answer:
-BARSIC- [3]2 years ago
7 0

It should be noted that Researchers assess the value of a project by comparing the benefits of answering some of their questions as well as the cost associated with conducting the research.

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

A project  can be regarded as an undertaking which is been carried out collaboratively and entail research or design, that is carefully planned to achieve a goal.

It is necessary for a Researchers to assess the value of a project by comparing the benefits of answering some of their questions .

Learn more about a project at;

brainly.com/question/4771644

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The Centers for Disease Control and Prevention (CDC) defines a healthy sleep duration
laiz [17]

a. The point estimate of the married people that sleep well is = 0.6299. The confidence interval for the mean hours of sleep for those that have never been married but report good sleep is 0.6186, 0.6412

b. The point estimate of the number of hours for people that have never been married = 7.2257

95% confidence interval for the mean number of  hours of sleep for those who have never been married = 7.2065, 7.2447

c. the estimated number of sleep for those that have never been married = 7.729 hours

a. The point estimate

P=\frac{Xp}{n}

Xp = successes\\n = sample size\\

Those who have never been married n = 7044

Xp = those who sleep for 7 hours at least

To get Xp, the <u>excel function </u>

Countif(range, criteria)

Countif(A:A, >=7)

This gives Xp = 4437

Point estimate =

\frac{4477}{7044}

= 0.6299

The point estimate of the married people that sleep well is = 0.6299

At 95% interval of confidence,

α = 1-0.95 = 0.05

α/2 = 0.05/2 = 0.025

Z0.025 = 1.96 ( Use the standard probability normal table)

Margin of Error

=M.E = 1.96\sqrt \frac{0.6299(1-0.6299)}{7044} \\\\= 1.96\sqrt{0.000033} \\\\1.96*0.0057

= 0.0113

The 95% confidence interval

= 0.6299 - 0.0113 , 0.6299 + 0.0113

= 0.6186, 0.6412

The confidence interval for the mean hours of sleep for those that have never been married is 0.6186, 0.6412

b. Sample mean

x = ∑x/n

x = number of sleep of the never been married

Mean is calculated using excel function

Average(range)

Average(a:a)

This gives the sample mean = 7.2257

The point estimate of the number of hours for people that have never been married = 7.2257

<u>Standard deviation</u> using excel =

Stdev(A:A) = 0.8211

Margin of error =1.96*\frac{0.8211}{\sqrt{7044} }

= 0.0192

The<u> confidence interval</u> =

= 7.2257-0.0192, 7.2257+0.0192

= 7.2065, 7.2447

95% confidence interval for the mean number of  hours of sleep for those who have never been married = 7.2065, 7.2447

c. From the available data, the mean number of sleep per day that is gotten from the 4437 people that are unmarried and sleep healthily for at least 7 hours = 34295.1

Mean = 34295.1/4437

= 7.729

the estimated number of sleep for those that have never been married = 7.729 hours

Read more on brainly.com/question/15601189?referrer=searchResults

6 0
3 years ago
What can you conclude about the relationship between the slope of the demand curve above and its elasticity?
NemiM [27]

Answer:

By definition, the price elasticity of demand equals the percentage changes in the quantity demanded divided by the percentage changes in the price. There is an opposite relationship between the demand elasticity and the slope of the demand curve.

6 0
3 years ago
systems play a key role in helping organizations achieve goals, which are set forth in a(n) statement. Computers can be used by
Sergio [31]

Answer:

The following are those which helps in playing a key role in helping organizations to achieve their goals:

O. Computers can be used by people at all levels of an organization.

O. Workers use information systems to produce and manipulate information.

O. Managers depend on information systems to supply data that is essential for long-term planning and short-term tactical planning.

O. A decision system helps workers and managers make non-routine decisions by constructing decision models that include data collected from internal and external sources.

O.  A(n) engine evaluates the facts and rules to produce answers to questions posed to the system.

O. Using a technique called logic, these systems can deal with imprecise data and problems that have more than one solution.

Explanation:

8 0
3 years ago
A healthy fast-casual restaurant that offers only vegetarian and vegan meals insists on portraying organic ingredients in its ad
Gelneren [198K]
The strategy that they use is <span>signaling value by targeting sophisticated buyers

This type of strategy could only work if the target market has specific preferences.
Even though the number of potential consumers for this market tend to be considerably small compared to another market, but the customers that obtained through this strategy tend to show higher level of loyalty.</span>
5 0
3 years ago
Chadwick Enterprises, Inc., operates several restaurants throughout the Midwest. Three of its restaurants located in the center
zalisa [80]

Answer:

1. $2.5 million

2. $0

Explanation:

1. Since the book value is more than the generated future cash flows so book value cannot be recovered. In this case, the generated future cash flows are ignored  

In this scenario, we compare the values between book value and the fair value of machinery, the difference would be the loss on impairment of the asset

In mathematically,  

= Book value  - fair value

= $6.5 million  - $4.0 million

= $2.5 million

2. In this case, the sum of future cash flows is exceeded than the book value. So, no impairment loss would be recognized i.e zero amount

6 0
3 years ago
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