Describe the Shape of the Data Set

The following is a set of data from a sample of n equals 5n5. The data set consists of the round-trip commuting times in minutes of 20 randomly selected employees.

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Find a measure of central tendency that separates the data into two groups such that each group consists of 50 of the scores above and 50 of the scores below that measure.

. Symmetrical distribution because the mean is equals to median. We can characterize the shape of a data set by looking at its histogram. For a box plot a symmetric data set displays the median in the middle of the box.

Describe the shape of the histogram. The x-axis displays the values in the dataset and the y-axis shows the frequency of each value. Roughly symmetric Click to select your answer.

First if the data values seem to pile up into a single mound we say the distribution is unimodal. How to Describe the Shape of Histograms With Examples A histogram is a type of chart that allows us to visualize the distribution of values in a dataset. A set of data can be described to the spreadsheet as a range by specifying the beginning cell in the upper left corner of the data and the ending cell in the lower right corner of the data.

In this case we say that the distribution is skewed. What are the four ways to describe a data set. Describe the shape of data set.

3 Describe the shape of the histogram. Round-trip commuting times in minutes of 20 randomly selected employees 135 120 115 132 136 124 119 145 98 110 125 120 115 130 140 105 116 121 125 108 A skewed to the right B uniform C skewed to the left D symmetric. It lists values for each of the variables such as height and weight of an object.

A uniform B symmetric C skewed to the left D skewed to the right. A uniform shaped histogram indicates data that is very consistent. Distributions that are skewed have more points plotted on one side of the graph than on the other PEAKS.

Also We know that a distribution is said to be skewed if it has longer whisker at one side than the other. Skewed to the right D. Click to see full answer.

Add your answer and earn points. To begin with the data must be divided into equal categories. Plot Data into Categories.

Each row corresponds to a given member of the dataset in question. Distributions that are skewed have more points plotted on one side of the graph than on the other PEAKS. Describe the shape of the histogram.

Therefore the given box-plot describes a symmetric distribution. The center is the median andor mean of the data. The data set consists of the ages of 20 household stereo systems that were randomly selected from a neighborhood.

Describe the shape of the data set symmetrical skewed etc statistic ANONMYMOUS223 is waiting for your help. Describe the shape of the histogram. The shape of a distribution is described by its number of peaks and by its possession of symmetry its tendency to skew or its uniformity.

Pick-Three lottery results for 10 consecutive weeks 3 6 7 6 0 6 1 7 8 4 1 5 7 5 9 1 5 3 9 9 2 2 3 0 8 8 4 0 2 4. The frequency of each class is very similar to that of the others. This video describes the 4 shapes a distribution of a data set may take and how the mean and median are related for every shape.

Graphs often display peaks or local maximums. Here is how to graphically plot out the data to find its shape. A distribution that is not symmetric must have values that tend to be more spread out on one side than on the other.

The categories must have equal intervals to make the data meaningful. But in the given box plot the median looks at the middle of the box. The spread is the range of the data.

Pick-Three lottery results for 10 consecutive weeks. If there appear to be two mounds we say the distribution is bimodal. Describe the shape of the data set.

The accompanying data set contains quiz scores for 12 students in a chemistry class. Each column represents a particular variable. Skewed to the left B.

5 8 3 9 10. Describe the shape of the histogram. And the shape describes the type of graph.

The mean and median are less than the mode. The four ways to describe shape are whether it is symmetric how. The shape of a distribution is described by its number of peaks and by its possession of symmetry its tendency to skew or its uniformity.

A dataset or data set is a collection of data usually presented in tabular form. We want to describe the general. Which measure of cetral tendency would be appropriate to describe this data set.

18 15 5 8 15 20 2 16 10 12 20 15. Answer to Solved Construct a frequency distribution for the data using. Figure 47 a Skewed to the left left-skewed.

135 120 115 132 136 124 119 145 98 110 125 120 115 130 140 105 16 121 125 108 O A. If there are more than two mounds we say the distribution is multimodal. Then a frequency table must be prepared from the available data set and the number of times an item occurs within an interval category must be.

Shape of the distribution. Graphs often display peaks or local maximums.

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