Hello Daniel, I hope you are well. I have a quantitative methods for business assignment on F

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Hello Daniel, I hope you are well. 

I have a quantitative methods for business assignment on Friday. It is a timed assignment and the topics are : descriptive method, probability distributions, sampling distributions, interval estimation, hypothesis testing and simple and multiple linear regression. I was wondering you are available to help. 

Kind Regards,

John 

 

 

 

Question I (30 

Employees sometimes face the need to work overtime. This may happen, for example, when they are regularly 

interrupted with unforeseen tasks (i.e., task uncertainty). In this question, we will use data from the 2010 

European Working Conditions Survey on a random sample of 18,321 European employees drawn from 

Europe's working population. Table A describes the variables used in the subsequent regression analysis. 

Table A : Variable de tions 

mean 

1.757 

1.167 

0.671 

0.484 

40421 

0.826 

2.300 

std. dev. mininum maximum 

4.470 

0.927 

0.470 

o .5tn 

11.411 

0479 

1.621 

descri On 

number of days in a month that an employee 

works more than 10 hours 

frequency of with unforeseen tasks, 

task uncertainty 

often 

ran •n from O never to 3 

sector Of employee (O public sector: I private 

employee geMer (0 female; | male) 

employee age years 

I if fulltime contract; O pad-time contract 

firm size, ranging from O (small) to 6 (large) 

private sector 

gender 

firm size 

a. 

How many of the sampled employees work in the public sector? And how many work fulltime? 

(5 marks) 

For each of the ratio variables in Table A, explain whether its distribution is negatively skewed, positively 

skewed, or symmetrical. 

(5 marks) 

Which of the variables are nominal or ordinal? Please explain. 

(5 marks) 

Table B shows a linear regression equation to investigate the association between task uncertainty on the one 

hand , and overtime on the other. 

Table B: Estimated regression equation of overtime 

Std. Error 

0.035 

0.072 

0.068 

0.003 

0.089 

0.021 

0.163 

adjusted R-square: 

Dependent variable: 

F 6' 18 314 : 100.17 

task uncertainty 

private sector 

gender 

age 

fulltime 

firm size 

constant 

0.032 

overtime 

s 0.000 

0.226 

0.103 

0.902 

-0.011 

1.320 

0.024 

0.273 

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