exam
Maths Puzzle
Numerical Ability
(x-1)^2=7
x^2-9x-4=6
4x^2-8x=3=5
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exam Other Question
5y2+6y+1
In order to use the test statistic for the difference between two sample means both samples must have a population of at least 30 and the samples must be from dependent populations. Is this answer true or false?