1219 results for "function".
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Question in Content created by Newcastle University
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Question in Content created by Newcastle University
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Question in Content created by Newcastle University
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Question in Content created by Newcastle University
Two factor ANOVA example
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Question in Content created by Newcastle University
A graphical approach to aiding students in writing down a formal proof of discontinuity of a function at a given point.
Uses JSXgraph to sketch the graphs and involves some interaction/experimentation by students in finding appropriate intervals.
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Question in Content created by Newcastle University
Given sum of sample from a Normal distribution with unknown mean μ and known variance σ2. Find MLE of μ and one of four functions of μ.
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Question in Content created by Newcastle University
Given a PDF f(x) on the real line with unknown parameter t and three random observations, find log-likelihood and MLE ˆt for t.
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Question in Content created by Newcastle University
Simple probability question. Counting number of occurences of an event in a sample space with given size and finding the probability of the event.
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Question in Content created by Newcastle University
Approximating integral of a linear function by Riemann sums . Includes an interactive graph in Advice showing the approximations given by the upper and lower sums and how they vary as we increase the number of intervals.
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Question in Content created by Newcastle University
Approximating integral of a linear function by Riemann sums . Includes an interactive graph in Advice showing the approximations given by the upper and lower sums and how they vary as we increase the number of intervals.
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Question in Content created by Newcastle University
Find a regression equation.
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Question in Content created by Newcastle University
Given sample data find mean, standard deviation, median, interquartile range,
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Question in Content created by Newcastle University
Finding probabilities from a survey giving a table of data on the alcohol consumption of males. This can be easily adapted to data from other types of surveys.
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Question in Content created by Newcastle University
Given data on probabilities of three levels of success of three options and projections of the profits that the options will accrue depending on the level of success, find the expected monetary value (EMV) for each option and choose the one with the greatest EMV.
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Question in Content created by Newcastle University
Uses the χ2 test to see if there is any significant difference in preferences.
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Question in Content created by Newcastle University
The human resources department of a large finance company is attempting to determine if an employee’s performance is influenced by their undergraduate degree subject. Personnel ratings are used to judge performance and the task is to use expected frequencies and the chi-squared statistic to test the null hypothesis that there is no association.
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Exam (4 questions) in Content created by Newcastle University
Approximate the integral of a function by Riemann sums.
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Question in Content created by Newcastle University
The random variable X has a PDF which involves a parameter c. Find the value of c. Find the distribution function FX(x) and P(a<X<b).
Also find the expectation E[X]=∫∞−∞xfX(x)dx.
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Question in Content created by Newcastle University
Given 32 datapoints in a table find their minimum, lower quartile, median, upper quartile, and maximum.
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Question in Content created by Newcastle University
Sample of size 24 is given in a table. Find sample mean, sample standard deviation, sample median and the interquartile range.
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Question in Content created by Newcastle University
Two ordered data sets, each with 10 numbers. Find the sample standard deviation for each and for their sum.
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Question in Content created by Newcastle University
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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Question in Content created by Newcastle University
Power series solution of y″ about x=0.
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Question in Content created by Newcastle University
Two ordered data sets, each with 10 numbers. Find the sample standard deviation for each and for their sum.
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Question in Content created by Newcastle University
Find the solution of a first order separable differential equation of the form a\sin(x)y'=by\cos(x).
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Question in Content created by Newcastle University
Let x_n=\frac{an+b}{cn+d},\;\;n=1,\;2\ldots. Find \lim_{x \to\infty} x_n=L and find least N such that |x_n-L| \le 10^{-r},\;n \geq N,\;r \in \{2,\;3,\;4\}.
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Question in Content created by Newcastle University
Given 32 datapoints in a table find their minimum, lower quartile, median, upper quartile, and maximum.
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Question in Content created by Newcastle University
x_n=\frac{an+b}{cn+d}. Find the least integer N such that \left|x_n -\frac{a}{c}\right| \le 10 ^{-r},\;n\geq N, 2\leq r \leq 6.
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Exam (2 questions) in Content created by Newcastle University
Find the first few terms of the Maclaurin and Taylor series of given functions.
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Question in Content created by Newcastle University
Find \displaystyle \int \frac{c}{\sqrt{a-bx^2}}\;dx. Solution involves the inverse trigonometric function \arcsin.