The Mode | Statistics and Probability | Maths | FuseSchool
The average of Bob’s running times could be 44, 45 or 46 minutes...
Times (in minutes):
51 48 45 44 47
50 44 47 45 43
49 44 43 44
Mean: 46 minutes
Median: 45 minutes
Mode: 44 minutes
This is because there are 3 different ways of calculating the average.
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In this video, we’re going to look at how to find the mode.
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To find the equation of a straight line from a graph, you first need to find the gradient and then secondly find the y-intercept.
The equation of a straight line is y=mx+c, where m is the gradient and c is the y-intercept.
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An acid is a substance that will dissociate in water to give a proton (or H+ ion) and a conjugate base. An acid is considered to be strong if dissociation nears 100%, and weak if dissociation is usually less than 1%.
In this lesson, we will learn about strong alkalis and weak alkalis.
An alkali
Watch the final part of the 'using moles' videos, to complete your understanding of the chemical calculations topic.
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This video is part of 'Chemistry for All' - a Chemistry Education project by our Charity Fuse Foundation - the organisation behind The Fuse S