285 results in Content created by Newcastle University - search across all projects.
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Question
Given f(x)=(x+b)n. Find the gradient and equation of the chord between (a,f(a)) and (a+h,f(a+h)) for randomised values of a, b and h.
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Finding the confidence interval at either 90%, 95% or 99% for the mean given the mean and standard deviation of a sample. The population variance is not given and so the t test has to be used. Various scenarios are included.
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Finding the confidence interval at either 90%, 95% or 99% for the mean given the mean of a sample. The population variance is given and so the z values are used. Various scenarios are included.
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English sentences which are propositions are given and the appropriate logical expression chosen for the negation of the sentence.
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Three parts, where the student has to collect together polynomials in Z3, Z5 and Z7, respectively.
The answer to part a has no X term, because they cancel out.
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Choose which of 5 matrices are in a) row echelon form but not reduced b) reduced row echelon form c) neither.
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Nature of fixed points of a 2D dynamical system.
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Student is shown a linear programming problem, with graphical solution.
Asked to identify binding constraints, and decide if the optimal solution is changed by a named constraint either doubling or halving.
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Exam (5 questions)
Questions used in a university course titled "Group theory".
The questions deal with permutations written in cycle or two-line notation.
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Linear program described in words. Student must write out constraints as equations in standard form, then identify the optimal solution in a finished simplex tableau.
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Express a±cx+d as an algebraic single fraction.
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Calculation of the length and alternative form of the parameteric representation of a curve.
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Calculation of the length and alternative form of the parameteric representation of a curve, involving trigonometric functions.
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Exam (2 questions)
Statistics and probability. Two questions: using LSD and Tukey yardsticks.
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Exam (11 questions)
Questions on vector arithmetic and vector operations, including dot and cross product, as well as the vector equations of planes and lines.
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Exam (6 questions)
Practice bank of multivariable calculus questions
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Divergence of vector fields.
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Multiple response question (4 correct out of 8) covering properties of convergent and divergent series and including questions on power series. Selection of questions from a pool.
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Exam (27 questions)Questions used in a university course titled "Vector calculus"
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Exam (1 question)
Statistics and probability. A question on two factor ANOVA.
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Outward normals to the surfaces enclosing a region; volume of that enclosed region.
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Cartesian form of the parametric representation of a surface, normal vector, and magnitude.
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Exam (1 question)
Statistics and probability. Two way-anova question.
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Unit normal vector to a surface, given in Cartesian form.
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Exam (2 questions)
Statistics and probability. 2 questions, 1 on two sample t-test and 1 on paired t-test.
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Outward normals to the surfaces enclosing a region; volume of that enclosed region.
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No description given
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Asking users to interpret a minitab output to give the coefficients of a multiple regression together with a prediction based on the subsequent equation.
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Minitab was used to fit an AR(1) model to a stationary time series. Given the output answer the following questions about the model and use the model to make forecasts.
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Find a regression equation given 12 months data on temperature and sales of a drink.