Questions from Statistical Techniques

Q: A firm is involved in manufacturing high-quality electrical equipment.

A firm is involved in manufacturing high-quality electrical equipment. Each item produced costs £6000 and total annual output is 500 items. At the end of the production process each item is individual...

Q: For the two data sets shown below calculate the mean and standard

For the two data sets shown below calculate the mean and standard deviation and comment on the relationship. Set 1………………………………Set 2 10……………………………………….100 20………………………………………200 30……………………………………..300 40...

Q: A local residential community has been complaining to the chief of police

A local residential community has been complaining to the chief of police about speeding traffic through their area. Residents have complained that vehicles driving through the community have not been...

Q: For the data in Table 4.11, plot the real

For the data in Table 4.11, plot the real and money values over time on the same graph. Comment on the potential for misleading the user of money values. Table 4.11:

Q: In the Laspeyres index in this chapter we used 2010 as the

In the Laspeyres index in this chapter we used 2010 as the base year. Choose 2014 as the base year instead and recalculate the Laspeyres series for 2010, 2014 and 2015. Comment on these values compare...

Q: Table 4.14 shows the age distribution of males and females

Table 4.14 shows the age distribution of males and females in England and Wales at the time of their marriage, from 1981–2011. Using the data calculate for each gender: (a) the mean...

Q: The leisure services committee of a local authority has seen its budget

The leisure services committee of a local authority has seen its budget decline over the last few years and is currently having to consider closing a number of its leisure facilities – sports halls, s...

Q: The data shown in Table 4.15 shows average weekly earnings

The data shown in Table 4.15 shows average weekly earnings for all adults, weekly rate of unemployment benefit for single adults and the retail price index for the UK for the period 2000â€&...

Q: A retail organization has recently been investigating customer spending patterns at two

A retail organization has recently been investigating customer spending patterns at two of its stores, Store A and Store B, and has obtained the following data: Using these statistics, and any other...

Q: The data below shows quartile and median income for UK taxpayers before

The data below shows quartile and median income for UK taxpayers before and after paying income tax for selected years. Analyze and comment on the data.