# Discussion Board 5: Frequency Distributions and Histograms

Feb 3rd, 2012
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You will be using the same data values as you used in discussion board 4. The purpose of this assignment is to familiarize you with Excel or similar software to create graphs and tables. Part 1: Create a frequency distribution table, histogram and descriptive data table 1. Using 5 to 10 class intervals, organize the data as a frequency distribution in a table. The intervals of the frequency distribution should be rounded to match the data. Call this Table 1 and give the table an appropriate and descriptive title (example: Frequency Distribution of Temperatures with 6 Intervals). 2. Use Excel (or similar software) to construct a frequency histogram to illustrate the data. Label the axes of the graph properly, including units. Call this Graph 1: Corresponding Histogram. 3. Find the mean, median, modal class, standard deviation, and variance for this frequency distribution. Round statistics to one more decimal place than the data (for example, if the data values are integers,

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Discussion Board 4: Descriptive Data Analysis - StatisticsNameCourseInstitutional AffiliationDatePart oneTable 1: Frequency distribution tableClass interval Total8735-8744174748895-890489048905-891489108945-8954178998965-8974179428995-900489979005-9014180249015-902490249035-904490419055-906490579065-907490729105-9114182219115-912491219125-9134182529135-9144182789155-9164183219165-9174275099205-921492079235-924492379315-932493229345-935493529365-937493709385-939493949445-945494509475-948494819485-949494889515-952495199545-955495469565-957495739575-9584191569635-964496359715-972497229755-976497559785-979497879805-981498139825-983498289835-984498399885-989498899945-99542984910035-100441003910045-100541005010105-101141011010115-101241012210165-101745083610175-101841017510235-102441024310245-102542049610255-102641026010325-103341033010345-103541035010395-104041040010475-1048410477Grand Total668146Frequency HistogramDescriptive Statistics Table 2 :Summary Statistics for Table 1Mean12848.96154Standard Error1003.866484Median9833.5Modal class10165-10174Standard Deviation7238.984161Sample Variance52402891.68Kurtosis14.70757944Skewness3.405097907Part 2Table 3: Frequency distribution tableClass IntervalTotal8735-8754174748895-8914178148935-8954178998955-8974179428995-9014270219015-903490249035-9054

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