Stats Notes Week Two Describing Data Mean-average (takes every value into account- Sum of all Values/total number of values=mean Median-what data is in the middle (exact middle value)? Mode-what value occurs most frequently in the data? Interval and Ratio Data Nominal Ordinal Interval-best data Ratio-best data Measures of Variation Outlier-high-end/low-end Interpret the measures of central tendency-mean‚ median‚ mode Measures of variability-range‚ standard deviation (SD) =square root
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HCS/438 DQ’s Week 1: DQ1: What are the differences between descriptive and inferential statistics? According to Bennett (2009)‚ the biggest difference between descriptive and inferential statistics is that descriptive statistics "deals with describing raw data in the form of graphics and sample of statistics" and inferential statistics "deals with estimating population parameters from sample data." This means that inferential statistics would be an estimate because the data would be estimated
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Recognize the difference between grouped and ungrouped data Construct a frequency distribution Construct a histogram‚ a frequency polygon‚ an ogive‚ a pie chart‚ Ungrouped data have not been summarized in any way • are also called raw data • Grouped data • have been organized into a frequency distribution 42 26 32 34 57 30 58 37 50 30 53 40 30 47 49 50 40 32 31 40 52 28 23 35 25 30 36 32 26 50 55 30 58 64 52 49 33 43 46 32 61 31 30 40
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DESCRIBING GRAPHS AND CHARTS The function of a line graph is to describe a TREND pictorially. You therefore should try and describe the trend in it. If there are many lines in the graph(s)‚ then just generally describe the trend. If there is only one or two‚ then use more detail. So‚ describe the movement of the line(s) of the graph giving numerical detail at the important points of the line. To describe the movement‚ there is some language which will always be useful. Below is a list of language
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University of Phoenix HCS/438 (Statistical Applications ) Quiz#2 - 2-25-2012 - Esmaail Nikjeh Name: ________________________ True or False Questions; Please select the correct answer. (1 points each) T F 1. The probability that X takes on a value that is between 3 and inclusive of 4 can be written as P(3 < X ( 4). T F 2. P(X > x ) + P(X < x) + P(X = x) = 1. T F 3. If P(X > x) = 0.34 and P(X = x) = 0.10‚ then P(X ( x) = 0.56. T F 4- Using the classical viewpoint‚ the probability
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Chart/Graph Paper Kelly Preskorn HCS/438 Statistical Applications October 12‚ 2010 Lynn Bertsch Chart/Graph Paper “Data are summarized in a visual way using charts and graphs (Rumsey‚ 2010).” Some of the basic graphs used include pie charts‚ bar charts‚ and histograms. Pie charts used more for percentages‚ bar charts used to compare groups and histograms to show numerical data. Pie charts take data that is categorized and shows percentages or individuals that can be placed into
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Charts and graph are images that present data symbolically. They are used to present information and numerical data in a simple‚ compact format. This paper will focus on three types of charts and/or graphs which are: pie charts‚ bar graphs‚ and histograms. What types of data there are and how the data was collected is important for the reader to understand.. According to Bennett‚ Briggs‚ and Triola (2003) there are two types of data. They are: *Qualitative data- Data consisting of values that describe
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Statistical Information Thomas Porter HCS-438 February 21‚ 2011 Jeanette May Statistical Information In choosing caregiver statistics‚ it is with the intent to familiarize and inform about the staggering numbers of those who are informal or unpaid caregivers on a national level. With baby boomers turning of age‚ it appears that the need for care givers will increase with those turning of age. “Informal caregiver and family caregiver are terms that refer to unpaid individuals such as family
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Doreen Carranza HCS/438 Biman Ghosh Sample of Chart or Graph Assignment 1/21/2013 Health Care Spending Demographics U.S. households spent‚ on average‚ a total of $2‚976 on health insurance‚ medical services‚ drugs‚ and medical supplies in 2008. Hispanic‚ Black or African American‚ and Asian households spent less—and White households spent somewhat more–than the average. These averages are calculated with data collected from all types of households; that is
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Using Statistical Information University of Phoenix Using Statistical Information Statistics have become critical to the operation of any medical facility. At Samaritan Medical Center (SMC)‚ we routinely look at data to guide our workflow‚ staffing and patient satisfaction. One of the most commonly referenced statistical databases used at our facility is Press Ganey. Press Ganey utilizes a mailed survey to a random selection of discharged patients to gauge the quality of care given to
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