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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 observa...
SL
Answered by Samuel L. • Maths tutor
4567 Views

A ball is released on a smooth ramp at a distance of 5 metres from the ground. Calculate its speed when it reaches the bottom of the ramp.

The ramp is smooth, so the effects of friction can be ignored. Therefore, the potential energy lost by the ball is equivalent to the kinetic energy gained by the ball. The formula for kinetic energy is 1/2 *...
CB
Answered by Cameron B. • Maths tutor
5233 Views

Discuss how journeys and journeying are presented in two or three of the passages. Compare and contrast them in any ways that seem interesting to you, paying particular attention to distinctive features of structure, language and style.

INTRO: In the extract from ‘The Rape of Lucrece’ (1594) by William Shakespeare, the extract from ‘Dombey and Son’ (1865) by Charles Dickens, and ‘Amor Mundi’ (1865) by Christina Rossetti, ill-fated journeys ...
EO
Answered by Elara O. • ELAT tutor
1832 Views

What is your understanding of Evidence Based Medicine, and can you give an example?

Evidence Based Medicine is the idea that decisions made in healthcare are provided with evidence from previous experiences. For example protocols in different situations are implemented based on research and...
NV
1743 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 enters l...
NV
Answered by Neel V. • Biology tutor
3100 Views