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Brrunno [24]
1 year ago
8

Graham recruited student volunteers to participate in his dissertation study. He set up several times for students to come to a

specified classroom and read various types of instructional materials and to be tested. He ran all of his control conditions first and then for each session he placed all students at the session in the same treatment condition. This is problematic because those who volunteered early are likely different than those who volunteered later. This problem is primarily due toPGraham recruited student volunteers to participate in his dissertation study. He set up several times for students to come to a specified classroom and read various types of instructional materials and to be tested. He ran all of his control conditions first and then for each session he placed all students at the session in the same treatment condition. This is problematic because those who volunteered early are likely different than those who volunteered later. This problem is primarily due to:_______.A) error rates.B) sampling error.C) researcher bias.D) sampling bias.
Business
1 answer:
Komok [63]1 year ago
6 0

Answer: D) sampling bias.

Explanation:

Sampling bias refers to a scenario where conditions in the research give more subjects in the population of interest the chance to appear either more or less times than others instead of all the subjects having an equal chance of representation.

The students were to come in at different times yet Graham gave them all the same treatment conditions. This could lead to sampling bias because those who volunteered earlier are likely different from those who volunteered later.

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When a furniture manufacturer buys the lumber and other raw materials, machines and equipment, manufacturing supplies, and offic
boyakko [2]

Answer:

Procurement

Explanation:

The process of "procurement" refers to purchasing the goods and services that will be used in the company's business. This gives the company the ability to choose where and from whom they will buy their supplies. This allows "fairness" and promotes<em> competition. </em>

The act of buying lumber and raw materials by the furniture manufacturer, including its machines, equipment, manufacturing supplies and office supplies belong to the process of procurement. Companies set their <u>own procurement policies</u> in order to ensure that<em> it aligns with the interest of the public.</em>

So, this explains the answer.

6 0
2 years ago
A major U.S. automaker has determined that the city mileage for one of its new SUV models is normally distributed with a mean eq
g100num [7]

Answer:

city mileage standard deviation for this SUV model is 2.34 mpg

Explanation:

given data

mean = 15.2 mpg

company indicated SUV more than 17 mpg  = 22 %

to find out

city mileage standard deviation

solution

we know here that

P(Z > 0.77) is = 0.22

so here z is

z = 0.77

and

we use here z-score formula that is

mean x = z × \sigma + \mu   ................1

so

\sigma = ( x - \mu ) ÷ z   ................2

put here value and we get

\sigma = \frac{17-15.2}{0.77}  

\sigma = 2.34

so city mileage standard deviation for this SUV model is 2.34 mpg

3 0
1 year ago
Jay Seago is suing the manufacturer of his car for $3.5 million because of a defect that he believes caused him to have an accid
Studentka2010 [4]

Answer:

Since the expected value is higher for not suing ($600,000), then Jay should not sue. The expected value of the best case scenario in case of suing is only $500,000 and in the expected value of the worst case scenario is -$37,500.

Explanation:

he decides to not sue = expected value $600,000

he decides to sue:

50% chance of winning

expected value

  • $2,000,000 x 50% x 50% = $500,000
  • $500,000 x 50% x 50%  = $125,000

50% chance of losing

  • expected value = -$75,000 x 50% = -$37,500

3 0
2 years ago
Compute the current ratio, acid-test ratio, and gross margin ratio as of January 31, 2013. (Round your answers to 2 decimal plac
maxonik [38]

Answer:

NELSON COMPANY

A. Current Ratio = Current Assets/Current Liabilities

= $38,500/$13,000

= 2.96 : 1

B. Acid-test Ratio = Current Assets - Inventory/Current Liabilities

= $24,600/$13,000

= 1.89 : 1

C. Gross margin ratio = Gross margin/Net Sales x 100

= $70,750/$110,950 x 100

= 63.77%

Explanation:

a) Data and Calculations:

NELSON COMPANY

1. Unadjusted Trial Balance  as of January 31, 2013

                                                       Debit     Credit

Cash                                          $ 24,600

Merchandise inventory                12,500

Store supplies                               5,900

Prepaid insurance                         2,300

Store equipment                        42,900

Accumulated depreciation—

    Store equipment                                  $ 19,950

Accounts payable                                         13,000

J. Nelson, Capital                                        39,000

J. Nelson, Withdrawals                2,100

Sales                                                            115,200

Sales discounts                          2,000

Sales returns and allowances   2,250

Cost of goods sold                  38,000

Depreciation expense—

      Store equipment              0

Salaries expense                     31,300

Insurance expense                 0

Rent expense                         14,000

Store supplies expense         0

Advertising expense              9,300

Totals                                $ 187,150       $ 187,150

2. Adjusted Trial Balance as of January 31, 2013

                                                       Debit     Credit

Cash                                          $ 24,600

Merchandise inventory                10,300

Store supplies                                2,800

Prepaid insurance                             800

Store equipment                         42,900

Accumulated depreciation—

    Store equipment                                  $ 21,625

Accounts payable                                         13,000

J. Nelson, Capital                                        39,000

J. Nelson, Withdrawals                2,100

Sales                                                            115,200

Sales discounts                          2,000

Sales returns and allowances   2,250

Cost of goods sold                  40,200

Depreciation expense—

      Store equipment                 1,675

Salaries expense                     31,300

Insurance expense                   1,500

Rent expense                         14,000

Store supplies expense           3,100

Advertising expense               9,300

Totals                               $ 188,825      $ 188,825

3. NELSON COMPANY

Income Statement for the year ended January 31, 2013:

Sales Revenue                                     $110,950

Cost of goods sold                                40,200

Gross profit                                          $70,750

Depreciation expense—

      Store equipment                 1,675

Salaries expense                     31,300

Insurance expense                   1,500

Rent expense                         14,000

Store supplies expense           3,100

Advertising expense               9,300    60,875  

Net Income                                         $ 9,875

4. Sales Revenue                    $115,200

   Sales discount & allowances (4,250)

  Net Sales Revenue             $110,950

5. NELSON COMPANY

Balance Sheet as of January 31, 2013:

Assets:

Cash                                                         $ 24,600

Merchandise inventory                               10,300

Store supplies                                               2,800

Prepaid insurance                                            800

Current Assets:                                           38,500

Store equipment                         42,900

Accumulated depreciation—

    Store equipment                   (21,625)     21,275

Total Assets                                             $ 59,775

Liabilities + Equity:

Accounts payable                                       $13,000

J. Nelson, Capital                                         39,000

J. Nelson, Withdrawals                                 (2,100 )

Net Income                                                 $ 9,875

Total Liabilities + Equity                         $ 59,775

a) Nelson Company's current ratio is the measure of the company's ability to settle maturing short-term liabilities with short-term financial resources.  It is is measured as the relationship between current assets and current liabilities.

b) Nelson's acid-test ratio takes away the encumbrances that can slow the conversion of current assets into cash for the settlement of current liabilities.  In this case, the inventory, stores supplies, and prepaid insurance are excluded.

c) Nelson has a robust gross margin ratio of more than 60%.  This means that it is able to limit the cost of goods sold to below 40%.  However, management of Nelson Company is unable to control its periodic costs in order to generate reasonable net income, as it can only turn less than 9% of the sales into returns for J. Nelson.

7 0
1 year ago
If the substitution effect of the real interest rate on saving is larger than the income effect of the real interest rate on sav
Kay [80]

Answer:

rise, fall

Explanation:

In the case when the subsitution effect with respect to the real rate of interest should be saved and more than the income effect on the real rate of interest so if there is an increased in the real rate of interest so there is an increase in the consumption also there is the fall in the savings

Also, if there is a more income effect, the consumption should rise and the savings would decline

Therefore the rise and fall should be considered to fill the blanks

3 0
1 year ago
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