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Naddik [55]
3 years ago
14

Economists make assumptions in order to Select one: a. mimic the methodologies employed by other scientists. b. minimize the num

ber of experiments that yield no useful data. c. minimize the likelihood that some aspect of the problem at hand is being overlooked. d. focus their thinking on the essence of the problem at hand.
Business
1 answer:
Deffense [45]3 years ago
6 0

Answer:

The correct answer would be option D, Focus their thinking on the essence of the problem at hand.

Explanation:

An economist is a person who has expertise or who is an expert in the field of Economics. The Economists make assumptions about the economies to focus their thinking on the essence of the problem they have at the moment. They predict the economy, they analyze the economy, they suggest solutions to the problems concerning the economy on the basis of their experience and the new studies being carried up by them. So for this purpose they make assumptions because they want to clearly analyze the situations and want to see what impact their decision will make on the economy, which give them a clear picture about the possible solutions of the problem they have at hand at the moment.

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The manager of a computer software company wishes to study the number of hours senior executives by type of industry spend at th
miskamm [114]

Answer:

Since the calculated value of F= 5.733 falls in the critical region we reject the null hypothesis  and conclude all three means are not equal.

Explanation:

The given data is

Banking          Retail            Insurance

12                      8                        10

10                     8                          8

10                     6                          6

12                     8                           8

<u>10                    10                          10</u>

The results of excel are:            

<u><em>Anova: Single Factor  </em></u>    

     

SUMMARY      

Groups    Count Sum Average         Variance  

Column 1 5 54            10.8              1.2  

Column 2 5 40               8               2  

Column 3 5 42              8.4                 2.8  

         

1) Let the null and alternate hypotheses be

H0: u1=u2=u3  i.e all the three means are equal and

Ha: Not all three means are equal

2) The significance level is set at ∝ =0.05

3)The test statistic to use is

F= sb²/ sw²

which has F distribution with v1= k-1 →3-1=2 and v2= n-k →15-3=12 degrees of freedom

After calculations the following table is obtained.

<u><em>ANOVA  </em></u>    

Source              SS            df         MS            F        P-value        F crit

of Variation

B/w Groups        22.93         2     11.467      5.733    0.01788        3.885

<u>Within Groups       24           12           2                                                       </u>      

<u>Total                     46.93      14                                                                </u>

4) The critical region is F ≥ F(0.05, 2,12) = 3.885

5) Since the calculated value of F= 5.733 falls in the critical region we reject the null hypothesis  and conclude all three means are not equal.

4 0
3 years ago
Which of the following is an advantage of a sole proprietorship?
tigry1 [53]
He control his profits en his expenditure without interference
5 0
3 years ago
Identify three features of an economic that is In the stage of ‘’economic growth’’
Pani-rosa [81]

Answer: They include land (including natural resources), capital, and labor.

Explanation:

6 0
3 years ago
Communism promotes the idea that equality in society comes from having political and economic fairness among citizens
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True seems about right
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liberstina [14]

Answer:

B. allow reductions in pollution to be achieved at minimum cost.

Explanation:

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8 0
3 years ago
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