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What does the whisker in a box-and-whisker plot represent?
The whiskers mark the ends of the range of figures - they are the furthest outliers. * * * * * No. Outliers are not part of a box and whiskers plot. The whiskers mark the ends of the minimum and maximum observations EXCLUDING outliers. Outliers, if any, are marked with an X.
What is the upper extreme to a box- and- whisker plot?
THe maximum observed (excluding any outliers).
How do you work out outliers on a box plot?
the number in your piece of data = n lower quartile, n+1 divided by 4 upper quartile, n+1 divded by 4 and times by three interquartile range(IQR) = upper quartile - lower quartile outliers(O) = interquartile range x 1.5 lower than IQR-O is an outlier (h) above IQR+O is an outlier (h) the outliers on your box plot are any numbers that are the value i have named (h) ^
How do you describe the data in a box plot?
A box plot visually summarizes a dataset's distribution through its five-number summary: the minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum. The central box represents the interquartile range (IQR), which contains the middle 50% of the data, while the "whiskers" extend to the smallest and largest values within 1.5 times the IQR from the quartiles. Outliers, if any, are typically represented as individual points beyond the whiskers. Overall, box plots effectively convey the central tendency, variability, and potential outliers in the data.
What quartile are outliers always found in?
Outliers are typically found in the first and fourth quartiles, outside the interquartile range (IQR). Specifically, any data point that falls below Q1 - 1.5 × IQR or above Q3 + 1.5 × IQR is considered an outlier. Therefore, outliers can exist in both the lower and upper extremes of the data distribution.
What does the whisker in a box-and-whisker plot represent?
The whiskers mark the ends of the range of figures - they are the furthest outliers. * * * * * No. Outliers are not part of a box and whiskers plot. The whiskers mark the ends of the minimum and maximum observations EXCLUDING outliers. Outliers, if any, are marked with an X.
What is the upper extreme to a box- and- whisker plot?
THe maximum observed (excluding any outliers).
How do you work out outliers on a box plot?
the number in your piece of data = n lower quartile, n+1 divided by 4 upper quartile, n+1 divded by 4 and times by three interquartile range(IQR) = upper quartile - lower quartile outliers(O) = interquartile range x 1.5 lower than IQR-O is an outlier (h) above IQR+O is an outlier (h) the outliers on your box plot are any numbers that are the value i have named (h) ^
What is the primary disadvantage of using the range to compare the variability of data sets?
The range is very sensitive to outliers. Indeed if there are outliers then the range will be unrelated to any other elements of the sample.
How do you spot an anomalous result in science?
The easiest way is to plot the values on a number line, then look at any outliers and consider whether they may be anomalies.
What are the three ways to describe data in a scatter plot?
You can describe if there's any obvious correlation (like a positive or negative correlation), apparent outliers, and the corrlation coefficient, which is the "r" on your calculator when you do a regression model. The closer "r" is to either -1 or 1, the stronger that correlation is.
Which is most resistant measures of central tendency?
The midhinge.this because it eliminates 25 percent of the largest data values and the smallest data values.this means any outliers present in the set of data values will be unable to throw the data
What is an outlier in a line-plot?
A number that is different from any other numbers in the data.!
What set of data is best represented by a stem and leaf plot?
Ages of people are sorted meaningfully by a stem and leaf plot. Any type of data set in which the first or last digit differs and can be sorted. By using this type of plot, one can readily see the magnitude of each group of data sorted.
Does the box plot include any of the actual data values?
At least 2 and up to 5.
What is similar and different between a line plot and a frequency table?
A line plot shows data on a number line with dots or x's to to show frequency. A frequency table is made by arranging collected data values in ascending order of magnitude with their corresponding frequencies. Both will show you the absolute frequency of any given value. And both give you a visual idea of the shape of the frequency and some intuition about outliers and things like that. You can count the number of dots or x on your line plot and create a frequency table. The difference is that one of them already has numbers counted for you. So for small numbers of data, either one will do the same job. But imagine if you have 10000000 points. You really don't want to count them using a line plot. A frequency table will tell you how often each data point occurs. However, if there are lots of values that these points can take on, the frequency table will have too many values to be of much use. The line plot will give us a good visual if there is lots of data, say 1000000 temp measurements, but we only look at the temps between 90-100 and only use integer values.
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