52 results.
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Question in Content created by Newcastle University
Given a normal distribution $X \sim N(m,\sigma^2)$ find $P(X \lt a),\; a \lt m$ and the conditional probability $P(X \gt b | X \gt c)$ where $b \lt m$ and $c \gt m$.
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Question in Content created by Newcastle University
An experiment is performed twice, each with $5$ outcomes
$x_i,\;y_i,\;i=1,\dots 5$ . Find mean and s.d. of their differences $y_i-x_i,\;i=1,\dots 5$.
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Question in Content created by Newcastle University
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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Question in Content created by Newcastle University
Topics covered are calculating the mean, median, mode, range, and standard deviation.
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Question in Content created by Newcastle University
Application of the binomial distribution given probabilities of success of an event.
Finding probabilities using the binomial distribution.
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Question in Julie's workspace
Exam covering questions on the Errorsr part of the SOEE5154M Maths course.
Topics covered are calculating the mean, median, mode and standard deviation.
rebelmaths
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Question in Julie's workspace
Exam covering questions on the Errorsr part of the SOEE5154M Maths course.
Topics covered are calculating the mean, median, mode and standard deviation.
rebelmaths
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Question in Julie's workspace
Topics covered are calculating the mean, median, mode and standard deviation.
rebelmaths
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Question in Julie's workspace
Topics covered are calculating the mean, median, mode and standard deviation.
rebelmaths
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Question in Julie's workspace
calculating mean
rebelmaths
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Question in Christian's workspace
Paired t-test to see if there is a difference between responses after treatment.
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Question in Keith's workspace
Testing an hypothesis about the mean of one group.
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Question in Keith's workspace
Testing an hypothesis about the mean of one group.
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Question in Keith's workspace
Calculating summary statistics.
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Question in Bill's workspace
Paired t-test to see if there is a difference between responses after treatment.
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Question in Keith's workspace
A comparison of the means of four groups.
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Question in Keith's workspace
A comparison of the means of three groups.
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Question in Keith's workspace
A comparison of the means of three groups.
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Question in Keith's workspace
A comparison of the mean of two groups.
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Question in Keith's workspace
A comparison of the mean of two groups.
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Question in Keith's workspace
A comparison of the mean of two groups.
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Question in Keith's workspace
A comparison of the mean of two groups.