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Find the median, upper and lower quartiles of these numbers: 160, 390, 169, 175, 125, 420, 171, 250, 210, 258, 186, 243

Order the data:125, 160, 169, 171, 175, 186, 210, 243, 250, 258, 390, 420Find middle observation:[125, 160, 169, 171, 175, 186] | [210, 243, 250, 258, 390, 420]Median = (186 + 210)/2 = 198Find middle obse...

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Answered by Samuel L. Maths tutor
4414 Views

Could you explain the blood flow through the heart?

Deoxygenated blood enters through the right atrium from vena cava, moves through tricuspid valve into right ventricle. This moves up the pulmonary artery to the lungs and oxygenates.Oxygenated blood enter...

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Answered by Neel V. Biology tutor
2968 Views

How do you know whether a noun is masculine or feminine in French?

This is a common question from all French students with no straightforward answer. This question can only fully be answered through experience and memorisation of the French nouns with their gender. Howev...

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Answered by Natasha G. French tutor
2528 Views

Describe the lytic pathway of a virus.

The lytic cycle is one of the two cycles of viral reproduction in host cells. 
Viruses cannot replicate outside a host, therefore virus binds to host cells. Adsorption and penetration

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Answered by Nisha G. Biology tutor
10942 Views

'How does the writer use language here to convey Mr Fisher's views on books and stories of the past in this extract from Joanne Harris' short story Jigs and Reels?'?'

The writer uses animal imagery whilst lamenting the profoundly positive impact books and stories have had on his life. He says the stories 'ran like gazelles and pounced like tigers'. The writer's use of ...

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Answered by Dorrie T. English tutor
23505 Views

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