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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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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the water when no fish is present. Then‚ measure the water with fish in it‚ increasing by 2 every time. Record the amount of fish and dissolved oxygen in a chart. When about 20 fish is reached‚ stop recording and put all the data into a line graph. Using a line graph will help see any patterns between dissolved oxygen and number of fish. 4.
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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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References: section. I have obtained written permission from the copyright holder for any trademarked material‚ logos‚ or images from the Internet or other sources. I further agree that my name typed on the line below is intended to have‚ and shall have‚ the same validity as my handwritten signature. Student ’s signature (name typed here is equivalent to a signature):
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Identify the bar graph. Psychomotor : Read and interpret data presented in a bar graph using the following parts: * Title * Number Scale * Labels Affective : Appreciate the importance of bar graph Show helpfulness towards other member of the group. II. SUBJECT MATTER Skills : Reading and interpreting bar graph Reference : BEC-PELC V.A 1.1 & 1.2 Teacher’s Workbook Textbook in Math IV Materials : Pieces of cartolina‚ cut outs‚ picture‚ and graph Value : Helping
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for his savings which has 5% only. 2. BAR GRAPH The bar graph shows the yearly tourist count for the provinces of region V. the province of Albay got the highest number of tourist with 450 000. It is followed by the provinces of Camarines Sur and Camarines Norte with 400 000 and 350 000 respectively. Sorsogon got 300 000 and Catanduanes with 250 000. The province of Masbate got the lowest number of tourist with 200 000. 3. LINE CHART Here is a line chart for the number of absentees in class
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Graphs are often used to deliver a visual and compelling case in many applications and businesses. Graphs are the information delivery vehicle of choice for many numerical data applications. With graphs a lot of information can be condensed into a visually descriptive object. They reduce the amount of time that would have been expended in reading or parsing through a lot of information. On the other hand‚ they can also be easily used to misrepresent or skew interpretation towards a favorable
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respondents. As reflected on the table‚ the male has the larger percentage than the female. Out of 97 respondents‚ 57 or 59% are male while 40 or 41% are female. To illustrate visually the sex profile‚ the graph is presented below. 20 Graph 1 [pic] Gender Profile of the Respondents Table 2 Analytical Skills |Respondents | |S |N |Computed t |Tabular t |Decision
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