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Hunter-Best [27]
3 years ago
5

A researcher was interested in the relationship between the number of texts sent in a day and the number of e-mails sent in a da

y by employees at a certain company. Using 15 data values, a 90 percent confidence interval for the slope of a regression model was found to be (2.31, 3.47). The researcher claims that the interval would have been narrower with a different sample size if all other things remained the same. Which of the following sample sizes would make the researcher's claim NOT true?
A. 14
B. 16
C. 20
D. 30
E. 100
Business
1 answer:
mixas84 [53]3 years ago
3 0

Answer:

A. 14

Explanation:

the researcher claims that the width of the interval would have been smaller if the sample had been different, and in this case different refers to larger. The original sample included only 15 people, so in order to increase the data sample, you must include more than 15 people. That is why 14 doesn't make sense.

You might be interested in
How many dollars does Johnson & Johnson make every 20 seconds?
Alex Ar [27]

Answer:

Johnson & Johnson make $51,433.28 every 20 seconds

Explanation:

<u><em>The complete question is</em></u>

I'm playing a riddle game thing and one of the questions is

"How many dollars does Johnson & Johnson make every 20 seconds?"

I found that they make 81.1 billion dollars yearly, but I have no clue how to get it to 20 seconds.

Remember that

1 year=365 days

1 day=24 hours

1 hour=60 minutes

1 minute=60 seconds

so

Convert year to seconds  

(365)(24)(60)(60)=31,536,000\ sec

1 billion=1,000 millions

1 billion=1*10^9

81.1 billion dollars=81.1*10^9 dollars

we have

81.1*10^{9} \frac{\$}{year}

Convert to $/sec

81.1*10^{9}\frac{\$}{year}=81.1*10^{9}/31,536,000=2,571.66\frac{\$}{sec}

Multiply by 20 sec

2,571.66(20)=\$51,433.28

therefore

Johnson & Johnson make $51,433.28 every 20 seconds

3 0
3 years ago
The equivalent units in beginning work in process inventory plus the equivalent units in ending work in process inventory equals
vivado [14]

Answer:

False

Explanation:

The formula for equivalent units units as follows:

Opening Work in Process + Equivalent units on which the work is done - Closing Work in process = Units Transferred

Therefore, ideally,

Opening work in process - Closing work in process = Units transferred - Equivalent units on which work is done.

As adding all the cost incurred during the period to opening inventory of work in process, we get the total cost for the period, thereafter, deducting the cost allocated to closing work in process we get the value of goods produced and transferred.

<u>Therefore, above statement is false.</u>

8 0
3 years ago
Donovan manages a warehouse with over 1,000 associates performing a variety of tasks. After walking through the building talking
Vitek1552 [10]

Answer: by instructing his teams to create mission statements with clearly defined goals

Explanation:

These are the options:

A. by dismantling the teams so he can make one goal for the entire facility

B. by instructing his teams to create mission statements with clearly defined goals

C. by making all employees trade jobs for several weeks so they have more in common

D. by increasing the dependence of the teams on each other so all tasks share common goals

E. by giving each worker a set amount of time to find out what their goals should be or face discipline

From the question, we will realize that Donovan learned that just few of the workers in the company share any sense of common goals within teams as there was He notes disparity in what the workers were doing and the goals to be accomplished.

Based on the above scenario, he should instruct his team to create mission statement that has clearly defined goals. The mission statement will show the reason for the existence of the organization, the goal of the organization, the kind of product or service rendered etc. This will help the workers know what is expected from all of them and work towards it.

7 0
3 years ago
A restaurant sells pizza at a rate of $13.57/slice. Expenses for the restaurant include raw material for pizza at $8.57 per slic
Sladkaya [172]

Answer:

The restaurant need to sell 46.6 slices (47 slices)

Explanation:

Giving the following information:

The restaurant sells pizza at a rate of $13.57/slice. Expenses for the restaurant include raw material for pizza at $8.57 per slice, $172.00 as monthly rental and $61.00 monthly as insurance.

To calculate the break-even point in units, we need to use the following formula:

Break-even point= fixed costs/ contribution margin

Break-even point= (172 + 61) / (13.57 - 8.57)

Break-even point= 46.6 slices

8 0
3 years ago
You save $5,000.00 and invest 60% of it in stocks while leaving the rest in a savings account earning a 4.9% APR. The stock incr
sasho [114]
60% of 5000 is 3000

STOCK:
1 Year 3000 x 1.09 = 3270
2 Year 3270 x -1.04 = 3139.2

INTEREST:
1 Year 2000 x 1.049 = 2098
2 Year 2098 x 1.049 = 2200.802

TOTAL AFTER 2 years:

3139.2 + 2200.802 = 5340.002
3 0
4 years ago
Read 2 more answers
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