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pantera1 [17]
3 years ago
7

For a class project, you measure the weight in grams and the tail length in millimeters of a group of mice. The correlation is r

= 0.7. The scatterplot shows one outlier of the relationship, falling clearly below the overall pattern of points. It turns out that this mouse was sick, and you decide to exclude it from the data set. With the outlier removed, do you expect the value of r to increase, decrease, or stay the same?
Business
1 answer:
SashulF [63]3 years ago
5 0

Answer: We can expect that the correlation coefficient will increase once the outlier is removed.  

The Pearson's correlation coefficient is known to be sensitive to outliers. Outliers can inflate or deflate the correlation coefficient to the extent that it can lead to wrong conclusions.  

An outlier that is mostly consistent with the trend will inflate the correlation coefficient; while an outlier that is not consistent with the trend will decrease the correlation coefficient.  

In this case the weight and tail lengths of one mouse is inconsistent with the trend. When this data is removed from the sample, we can expect the value of r to increase.

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Imagine you have some workers and some handheld computers that you can use to take inventory at a warehouse. There are diminishi
skad [1K]

Answer:

a. The cost of inventorying a single item is $1.00 per item.

b. The cost of inventorying a single item is $0.86 per item.

c. The cost of inventorying a single item is $0.95 per item.

d. The cost of inventorying a single item is $1.08 per item.

e. You should assign two workers per computer in order to minimize the cost of inventory per single item.

Explanation:

Note: This question is not complete. A complete question is therefore provided before answering the question as follows:

Imagine you have some workers and some handheld computers that you can use to take inventory at a warehouse. There are diminishing returns to taking inventory. If one worker uses one computer, he can inventory 125 items per hour. Two workers sharing a computer can together inventory 175 items per hour. Three workers sharing a computer can together inventory 185 items per hour. And four or more workers sharing a computer can together inventory fewer than 185 items per hour. Computers cost $100 each and you must pay each worker $25 per hour.

a. If you assign one worker per computer, what is the cost of inventorying a single item? Instructions: Round your answer to two decimal places. $ _____ per item

b. If you assign two workers per computer, what is the cost of inventorying a single item? Instructions: Round your answer to two decimal places. $ _____ per item

c. If you assign three workers per computer, what is the cost of inventorying a single item? Instructions: Round your answer to two decimal places. $_____ per item

d. If you assign four workers per computer, what is the cost of inventorying a single item? Instructions: Round your answer to two decimal places. $_____ per item.

e. How many workers per computer should you assign if you wish to minimize the cost of inventory per single item? _____ worker(s) per computer

The explanation to the answer is now provided as follows:

Note: See the attached excel file for all the calculations.

a. If you assign one worker per computer, what is the cost of inventorying a single item? Instructions: Round your answer to two decimal places. $ _____ per item

The cost of inventorying a single item is <u>$1.00 per item.</u>

b. If you assign two workers per computer, what is the cost of inventorying a single item? Instructions: Round your answer to two decimal places. $ _____ per item

The cost of inventorying a single item is <u>$0.86 per item.</u>

c. If you assign three workers per computer, what is the cost of inventorying a single item? Instructions: Round your answer to two decimal places. $_____ per item

The cost of inventorying a single item is <u>$0.95 per item.</u>

d. If you assign four workers per computer, what is the cost of inventorying a single item? Instructions: Round your answer to two decimal places. $_____ per item.

The cost of inventorying a single item is <u>$1.08 per item.</u>

e. How many workers per computer should you assign if you wish to minimize the cost of inventory per single item? _____ worker(s) per computer

To minimize the cost of inventory per single item, you should assign the number of workers at a point where the cost inventorying a single item is the lowest.

From from parts a to d above, the <u>lowest cost of $0.86 per item </u>of inventorying a single item is obtained in part b when you assign two workers per computer.

Therefore, you should assign two workers per computer in order to minimize the cost of inventory per single item.

Download xlsx
6 0
3 years ago
Payback Period Payson Manufacturing is considering an investment in a new automated manufacturing system. The new system require
MrRissso [65]

Answer:

a. 4 years

b. 5 years

Explanation:

The payback period is the time taken for the cash inflows from an investment to equal to the initial cash outflow or amount invested. To get this, the cash inflow are deducted from the outflows until the net is zero.

Considering both expected cash flows (all amounts in $);

Period    Initial out flow   Inflow         Balance         Inflow         Balance

Year 0    (1,200,000)              0          (1,200,000)       0            (1,200,000)      

Year 1                             300,000       (900,000)    150,000     (1,050,000)

Year 2                            300,000       (600,000)    150,000     (1,050,000)

Year 3                            300,000       (300,000)    400,000     (1,050,000)  

Year 4                            300,000               0           400,000     (1,050,000)  

Year 5                                                                        100,000     (1,050,000)

From the table above, with an inflow of $300,000 yearly, the inflows would equal the total outflow in 4 years while the annual cash flows: $150,000, $150,000, $400,000, $400,000, and $100,000 would make the inflows equal to the outflows in 5 years.

3 0
3 years ago
Read 2 more answers
Which of the following assumptions is embodied in the AFN equation?
aleksandr82 [10.1K]

Answer:

d. Accounts payable and accruals are tied directly to sales.

Explanation:

Additional funds needed method determines the amount that the company needs to finance the increase in total sales.

In response to the increase in sales, the company has to increase its assets to achieve that goal. The increase in total assets is partly offset by an increase in liabilities and the other part is offset by an increase in retained earnings.

The only true statement of the AFN equation is the option d), and the other options are not right.

8 0
3 years ago
Solartech Corporation, a U.S. exporter, sold a solar heating station to a Japanese customer at a price of 143.5 million yen, whe
Ulleksa [173]

Answer:

$929,404.15 (approx)

Explanation:

The dollar amount actually earned by Solartech after exchanging yen for U.S. dollars :-

= Price ÷ One dollar bought

= 143,500,000  ÷ $154.40 yen

= 143,500,000 ÷ $154.40  yen

= $929,404.15 (approx)

Therefore for computing the dollar amount actually earned by Solartech after exchanging yen for U.S. dollars, we simply divide price by one dollar bought.

3 0
3 years ago
Solvency refers to: A. long-term ability to generate sufficient cash to satisfy plant capacity needs, fuel growth, and to repay
Papessa [141]

Answer:

A. long-term ability to generate sufficient cash to satisfy plant capacity needs, fuel growth, and to repay debt when due.

Explanation:

Solvency is defined as the long-term ability of a business the generate enough cash flow that will allow it to continue its operations and also to pay of its debt when due.

It is used as a measure of the financial health of the business.

A business with good solvency has a high probability of remaining in operation for the foreseeable future.

4 0
3 years ago
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