233 results authored by Michael Proudman - search across all users.
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Question in Assessment Exercises
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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Question in Assessment Exercises
Four sinusoidal graphs are given. Student should select the one which is sine and cosine.
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Question in Assessment Exercises
Finding the lengths and angles within a right-angled triangle using: pythagoras theorem, SOHCAHTOA and principle of angles adding up to 180 degrees.
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Question in Assessment Exercises
Add three vectors by determining their scalar components, summing them and then resolving the rectangular components to find the magnitude and direction of the resultant
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Question in Assessment Exercises
No description given
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Question in Assessment Exercises
Evaluate $\int_1^{\,m}(ax ^ 2 + b x + c)^2\;dx$, $\int_0^{p}\frac{1}{x+d}\;dx,\;\int_0^\pi x \sin(qx) \;dx$, $\int_0^{r}x ^ {2}e^{t x}\;dx$
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Exam (7 questions) in .Vectors
No description given
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Exam (3 questions) in .Statistics
A resource for Business students to practise calculating Normal probabilities and finding $Z$-values.
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Question in .Statistics
Given a table of data, calculate the mean, mode and median, and complete a frequency table.
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Question in .Statistics
Topics covered are calculating the mean, median, mode and standard deviation.
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Michael's copy of Harry's copy of Measures of central tendency and spread-original without context DraftExam (4 questions) in .Statistics
Calculate and work with measures of central tendency such as mean, median and mode, and measures of spread such as range and standard deviation.
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Question in .Statistics
Given a table of data, calculate the mean, mode and median, and complete a frequency table.
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Question in .Statistics
Given two distributions, calculate the measures of average and spread and make some decisions based on the results.
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Question in .Statistics
Calculate relative frequencies in a variety of scenarios.
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Question in .Statistics
This question assesses the students ability to find the expected number of times an event occurs given the probability of the event occurring for a single trial and the total number of trials.
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Question in .Statistics
This question provides a list of data to the student. They are asked to find the mean, median, mode and range.
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Question in .Statistics
Just showing how to use the stdev function from the stats extension to calculate the standard deviation of a list of numbers.
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Question in .Statistics
Scores in 20 games and frequency given -- calculate mean.
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Question in .Statistics
Calculate the Pearson correlation coefficient on paired data and comment on the significance.
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Question in .Statistics
Calculate the Pearson correlation coefficient on paired data and comment on the significance.
rebelmaths
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Question in .Statistics
Find a regression equation.
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Question in .Statistics
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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Question in .Statistics
rebelmaths
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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Question in .Statistics
Given a random variable $X$ normally distributed as $\operatorname{N}(m,\sigma^2)$ find probabilities $P(X \gt a),\; a \gt m;\;\;P(X \lt b),\;b \lt m$.
rebelmaths
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Exam (4 questions) in .Statistics
Statistics and probability. Questions asking student to calculate and interpret Pearson and Spearman correlation coefficients.
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Exam (14 questions) in .Vectors
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 (27 questions) in .VectorsQuestions used in a university course titled "Vector calculus"
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Question in .Vectors
Curl and divergence of a vector field. Determine whether the vector field is irrotational or solenoidal.
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Question in .Vectors
Curl of a vector field.
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Exam (5 questions) in .Vectors
5 questions on vectors. Scalar product, angle between vectors, cross product, when are vectors perpendicular, combinations of vectors defined or not.