What is a Histogram? A histogram is used to summarize discrete or continuous data.

Although there's no simple one-click option for turning data into a histogram chart in Microsoft Office for Mac, you can use the chart tools in Excel to create a histogram that displays distribution and frequency data in a graphical vertical bar graph format.

Click Insert Page Break. Excel displays a solid line (manual page break) to show you where the new page begins.

In other words, it provides a Data Presentation Analysts communicate the output of financial analysis to management, investors, & business partners. This requires focusing on the main points, facts, and recommendations that will prompt necessary action from the audience.Effective data presentation skills are critical for being a world class financial analyst.of numerical data by showing the number of data points that fall within a specified range of values (called “bins”).

It is similar to a vertical bar graph. However, a histogram, unlike a vertical bar graph, shows no gaps between the bars. Parts of a Histogram • The title: The title describes the information included in the histogram. • X-axis: The are intervals that show the scale of values in which the measurements fall under. • Y-axis: The Y-axis shows the number of times that the values occurred within the intervals set by the X-axis. • The bars: The height of the bar shows the number of times that the values occurred within the interval while the width of the bar shows the interval that is covered.

For a histogram with equal bins, the width should be the same across all bars. Importance of a Histogram Creating a histogram provides a visual representation of data distribution. Histograms display a large amount of data and the FREQUENCY Function The Frequency Function is categorized under Statistical functions.

The function will calculate and return a frequency distribution. We can use it to get the of the data values. The MEDIAN Function The Median Function is categorized under Statistical functions. The function will calculate the middle value of a given set of numbers. Median can be and distribution of the data can be determined by a histogram. In addition, it can show any outliers or gaps in the data. Distributions of a Histogram A normal distribution: In a normal distribution, points on one side of the AVERAGE Function Calculate Average in Excel.

The AVERAGE function is categorized under Statistical functions. It will return the average of the arguments. It is used to calculate the arithmetic mean of a given set of arguments. As a financial analyst, the function is useful in finding out the average of numbers. Are as likely to occur as on the other side of the average.

A bimodal distribution: In a bimodal distribution, there are two peaks. In a bimodal distribution, the data should be separated and analyzed as separate normal distributions.

A right-skewed distribution: A right-skewed distribution is also called a positively skewed distribution. In a right-skewed distribution, a large number of the data values occur on the left side with a fewer number of data values on the right side. A right-skewed distribution usually occurs when the data has a range boundary on the left-hand side of the histogram.

For example, a boundary of 0. A left-skewed distribution: A left-skewed distribution is also called a negatively skewed distribution. In a left-skewed distribution, a large number of the data values occur on the right side with a fewer number of data values on the left side. A right-skewed distribution usually occurs when the data has a range boundary on the right-hand side of the histogram. For example, a boundary such as 100. A random distribution: A random distribution lacks an apparent pattern and has several peaks.

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In a random-distribution histogram, it can be the case that different data properties were combined. Therefore, the data should be separated and analyzed separately. Example of a Histogram Jeff is the branch manager at a local bank. Recently, Jeff’s been receiving customer feedback saying that the wait times for a client to be served by a customer service representative are too long. Jeff decides to observe and write down the time spent by each customer on waiting.

Here are his findings from observing and writing down the wait times spent by 20 customers: The corresponding histogram with 5-second bins (5-second intervals) would look as follows: We can see that: • There are 3 customers waiting between 1 and 35 seconds • There are 5 customers waiting between 1 and 40 seconds • There are 5 customers waiting between 1 and 45 seconds • There are 5 customers waiting between 1 and 50 seconds • There are 2 customers waiting between 1 and 55 seconds Jeff can conclude that the majority of customers wait between 35.1 and 50 seconds. How to Create a Histogram Let us create our own histogram with the data provided in the example above. For this example. Step 1: Open the Data Analysis box. This can be found under the Data tab as Data Analysis: Step 2: Select Histogram: Step 3: Enter the relevant input range and bin range. In this example, the ranges should be: • Input Range: $C$10:$D$19 • Bin Range: $F$9:$F$24 Make sure that “Chart Output” is checked and click “OK”. To make one on your own!