Engineering Stack Exchange
Engineering Stack Exchange

Questions tagged [statistics]

47 questions
12
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1 answer

How can Pareto Analysis help solve engineering problems?

Attach is a Pareto Diagram with Number of Defects in Y-axis vs Causes in X-axis for an engine overheating problem. How can this Pareto diagram help an engineer solve the engine overheating problem? Reference: Pareto analysis
Mahendra Gunawardena
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4
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1 answer

Statistical approach to defect detection and prioritization

My company has over 100k communication devices deployed. We collect failure information from the devices. We have two type of data failure count per hour for each device and we use that to calculate failure percentage. We are developing a pro active…
Jonab Kornell
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3
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1 answer

How do I include statistical significant index in bar chart in excel?

I want to have a star dot above each bar chart. I don't know how to present that index. Please anyone help me to resolve this problem,
Cindy.Karina9
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2
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2 answers

Double interpolation for a large set of data in Excel

How do you do double interpolation for a large set of data in Excel? The user is required to input an x value and y value then the program has to find the points and do interpolation if necessary. For example, if the x is 3.5 and y value is 4.5 …
user15793
1
vote
1 answer

What does (a) the input of the activation function mean?

I am not very good at understanding the ANN theory, but please if anyone can explain me about what does (a) as input of the activation function mean? and how to get this value? Thank you
Cindy.Karina9
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0
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2 answers

Trendline estimation

Let's say you had a scatter plot with lap times on the y axis and tyre pressure on the x-axis from an experiment where your dependent variable is lap time and your independent variable is tyre pressure. If you fitted a quadratic trendline to that…
user36483
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0
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4 answers

accurate measurements with less accurate tools

Is there a good way to systematically increase the accuracy and precision of a measuring tool using only mathematical means? For example, average 10 measurements from the same tool can create a better measurement. Or using two independent tools and…
user5425156
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0
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Can you convert a histogram of linear separation of lines into a distribution (histogram, PDF, PMF) of their lengths?

I have an image of lines (they're actually crystal defects viewed through an SEM) What I'm really after is a histogram of line lengths, but as can be seen from the above micrograph, most lines exit through the image area, making measuring a…
Neontube
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