Question

In: Statistics and Probability

A manufacturer has tested the time taken to manufacture a fixed number of working components, measuring...

A manufacturer has tested the time taken to manufacture a fixed number of
working components, measuring the times in units of 103 seconds. The
resulting data values are shown in Dataset as a frequency distribution.
Carry out an appropriate statistical test to determine if this data may be
said to have a normal distribution. Identify any questions around
identifying the number of degrees of freedom for the relevant test.

Groups Frequencies
300 to 305 10
305 to 310 13
310 to 315 35
315 to 320 77
320 to 325 77
325 to 330 36
330 to 335 13
335 to 340 10
340

Solutions

Expert Solution


Related Solutions

Economics Chapter 5 6.) During the manufacture of a computer, the manufacturer of components sell the...
Economics Chapter 5 6.) During the manufacture of a computer, the manufacturer of components sell the components to an Assembler for $150; the Assembler sells an assembled computer to the wholesaler for $375; the wholesaler sells the computer to the retailer for $500, and the retailer sells the computer to the customer for $750. What is the value of the computer in GDP? Explain 7.) Calculate the following and show the Calculations : (a) Nominal GDP in 2017 and 2018...
Calculate the number of combinations of 10 items taken 8 at a time.
Calculate the number of combinations of 10 items taken 8 at a time.
The demand for electrical components is fixed at a rate of 2400 units/month.Each time the store...
The demand for electrical components is fixed at a rate of 2400 units/month.Each time the store makes an order ot costs 320$.The item costs $3.the annual inventory holding cost rate is 20%. Q*=5543 units, T8=2.3 months. Explanation: Periodic rderis calculated on the annual demand basis. Annual demand D=2400 *12units/year. The order cost K is $320 and now we need ‘h’ which is holding cost per unit. As we have $3 per unit cost the annual holding rate is 0.2 of...
The last time that information on employees working at this bank was collected, the number of...
The last time that information on employees working at this bank was collected, the number of months of previous work experience was distributed such that 15% of employees had a less than 2 years of experience, 25% had between 2 and 5 years of experience, 20% had more than 5 years and up to 10 years of previous work experience, and 40% had more than 10 years of experience. Verify at a 0.05 level of significance if the current data...
The last time that information on employees working at this bank was collected, the number of...
The last time that information on employees working at this bank was collected, the number of months of previous work experience was distributed such that 15% of employees had a less than 2 years of experience, 25% had between 2 and 5 years of experience, 20% had more than 5 years and up to 10 years of previous work experience, and 40% had more than 10 years of experience. Verify at a 0.05 level of significance if the current data...
What actions US Senate has taken for the 2020 market crash, are they working and how...
What actions US Senate has taken for the 2020 market crash, are they working and how do you comment on those actions?
What actions has the US senate taken to combat the 2020 market crash? Are they working?...
What actions has the US senate taken to combat the 2020 market crash? Are they working? What will they do moving forward?
The Gatson manufacturing company has estimated the following components for a new product. Fixed cost =...
The Gatson manufacturing company has estimated the following components for a new product. Fixed cost = $50,000 Material cost per unit = $2.15 Labor cost per unit = $2.00 Revenue per unit = $7.50 Round your answer to the nearest whole number. 1. Using a spreadsheet model, what will be the resulting profit if the company decides to make 70,000 units of the new product? 2. Construct a one-way data table with production volume as the column input and profit...
The Gatson manufacturing company has estimated the following components for a new product. Fixed cost =...
The Gatson manufacturing company has estimated the following components for a new product. Fixed cost = $50,000 Material cost per unit = $2.15 Labor cost per unit = $2.00 Revenue per unit = $7.50 Round your answer to the nearest whole number. 1. Using a spreadsheet model, what will be the resulting profit if the company decides to make 70,000 units of the new product? 2. Construct a one-way data table with production volume as the column input and profit...
In recent years, the number of the working mothers has increased at AGE limited and they...
In recent years, the number of the working mothers has increased at AGE limited and they struggle to balance their time between work and family responsibilities. As a result, their morale is low and they are not motivated to work. Discuss four techniques Tom can apply in motivating working mothers in the company.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT