283 results in Content created by Newcastle University - search across all projects.
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Approximate $f(x)=(a+h)^{m/n}$ by $f(a)+hf^{\prime}(a)$ to 5 decimal places and compare with true value.
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No description given
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An object moves in a straight line, acceleration given by:
$\displaystyle f(t)=\frac{a}{(1+bt)^n}$. The object starts from rest. Find its maximum speed.
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Exam (2 questions)
Use the Hungarian algorithm to find the optimal assignment of workers to tasks.
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Exam (1 question)
Questions on the least upper bounds and greatest lower bounds of sets of the form $\{ f(x) : x \in \mathbb{Z} \text{ or } \mathbb{R} \}$.
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Exam (12 questions)Questions used in a university course titled "Chaos theory"
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Exam (13 questions)
Questions about complex arithmetic; argument and modulus of complex numbers; complex roots of polynomials; de Moivre's theorem.
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Exam (17 questions)Questions used in a university course titled "Complex variables"
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Express $\displaystyle \frac{a}{(x+r)(px + b)} + \frac{c}{(x+r)(qx + d)}$ as an algebraic single fraction over a common denominator. The question asks for a solution which has denominator $(x+r)(px+b)(qx+d)$.
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Complete the square for a quadratic polynomial $q(x)$ by writing it in the form $a(x+b)^2+c$. Find both roots of the equation $q(x)=0$.
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Find $c$ and $d$ such that $x^2+ax+b = (x+c)^2+d$.
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Finding the coordinates and determining the nature of the stationary points on a polynomial function
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Find a regression equation given 12 months data on temperature and sales of a drink.
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Given a table of the number of days in which sales were between £x1000 and £(x+1)1000 find the relative percentage frequencies of these volume of sales.
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Find the equation of a straight line which has a given slope or gradient $m$ and passes through the given point $(a,b)$.
There is a video in Show steps which goes through a similar example.
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No description given
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Given two sets of data, sample mean and sample standard deviation, on performance on the same task, make a decision as to whether or not the mean times differ. Population variance not given, so the t test has to be used in conjunction with the pooled sample standard deviation.
Link to use of t tables and p-values in Show steps.
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Provided with information on a sample with sample mean and standard deviation, but no information on the population variance, use the t test to either accept or reject a given null hypothesis.
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Provided with information on a sample with sample mean and known population variance, use the z test to either accept or reject a given null hypothesis.
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Application of the Poisson distribution given expected number of events per interval.
Finding probabilities using the Poisson distribution.
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Exam (16 questions)
Refresher questions on topics in algebra that students beginning a maths undergraduate course should be familiar with.
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Topics covered are calculating the mean, median, mode, range, and standard deviation.
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Application of the binomial distribution given probabilities of success of an event.
Finding probabilities using the binomial distribution.
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Given a random variable $X$ normally distributed as $\operatorname{N}(m,\sigma^2)$ find probabilities $P(X \gt a),\; a \gt m;\;\;P(X \lt b),\;b \lt m$.
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No description given
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Given random set of data (between 13 and 23 numbers all less than 100), find their stem-and-leaf plot.
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Given descriptions of 3 random variables, decide whether or not each is from a Poisson or Binomial distribution.
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Choosing whether given random variables are qualitiative or quantitative.