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What is a confidence interval?

Using the normal distribution, we can estimate a range of values which we expect to contain the mean. For example, if we take a sample of 30 students height, we can estimate the mean height of students in th...
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Answered by Alexander R. Maths tutor
4917 Views

What is the difference between a monopoly and monopolistic competition?

A monopoly is a relatively simple market structure. One firm is the single producer for the market, or serves the majority of customers. For this to occur there must be some kind of barrier which stops other...
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19489 Views

Do global superpowers reflect the 'north-south' divide?

Global superpowers can be defined as states which are powerful on the global stage, both explicitly through their role in global institutions such as the UN and implicitly through their influence. Since the ...
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Answered by Phoebe R. Geography tutor
3777 Views

(based on a case study) Should Shane outsource his employee training programme

Outsourcing is when a business subcontracts a process to another organisation. Turners, a famous hotel has found increasing difficulty keeping up with competitors and as such is considering whether outsourci...
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2583 Views

Are holidays important to you? Why, or why not?

Le vacanze sono molto importanti per me perché mi piace molto viaggiare. Ogni estate, parto in vacanza con i miei genitori per due settimane. L'anno scorso siamo andati in Italia. La mia città preferita è Ro...
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Answered by Alice D. Italian tutor
2391 Views