and the Stork Stand. Procedures This experiment is patterned after the procedures used by Drowatzky and Zuccato (1967)‚ an experiment that is reported in the textbook. Each student will perform three trials on each of the four balance tests. The median score for each test will be used for the later analyses. Static Balance Tests: The Diver’s Stand has the person standing erect with both feet together‚ arms extended in front. When ready‚ he or she rises onto the balls of the feet‚ closes his
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PART 1 Importance of data analysis in daily life Data analysis is a process used to transform‚ remodel and revise certain information (data) with a view to reach to a certain conclusion for a given situation or problem. Data analysis can be done by different methods as according to the needs and requirements. For example if a school principal wants to know whether there is a relationship between students’ performance on the district writing assessment and their socioeconomic
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as cumulative frequency curve or Ogive. 3 K’S WHAT WE KNOW | WHAT WE DON’T KNOW | WHAT WE NEED TO KNOW | Basic GMI grade requirement subject | Definition ogive | the ratio of grade of 50 student GMI | How to calculate the mode‚ mean and median | How many student GMI obtained B+ | Benefit of histogram | Function of histogram | how to make histogram | The importance of ogive | PROBLEM STATEMENT 50 student of German-Malaysia Institute just had their Mathematics II examination and their
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4. To discuss what kinds of summaries are best for various kinds of measurements. Section 7.1 Turning Data into Information Four kinds of useful information about a set of data: center‚ variability‚ shape and outlier Types of center: mean‚ median and mode (and their definitions) Types of variability: range‚ standard deviation and IQR (and their definitions) Types of shape: symmetric‚ skew to the left‚ skew to the right‚ unimodal and bimodal (and their definitions) Definition of outlier
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One Part A Some questions in Part A require that you access data from Statistics for People Who (Think They) Hate Statistics. This data is available on the student website under the Student Test Resources link. 1. By hand‚ compute the mean‚ median‚ and mode for the following set of 40 reading scores: SUMMARY 31 32 43 42 24 34 25 44 23 43 24 36 25 41 23 28 14 21 24 17 25 23 44 21 13 26 23 32 12 26 14 42 14 31 52 12 23 42 32 34 2. Compute the means
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histogram of gas mileage. Comment on the distribution of the mileage. II. Descriptive Statistics 1. For each variable (speed and mileage) in the table above‚ find mean‚ median‚ and mode. Mean Speed = Median X = Mode X = Mean Mileage = Median Y = Mode Y = 2. Which of the three measures (mean‚ median‚ mode) is a better measure of central
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| | Mean | 79.800 | 54.460 | 58.480 | | Median | 82.000 | 55.500 | 58.500 | | Standard deviation | 8.288 | 14.747 | 15.999 | | Minimum | 63.000 | 25.000 | 16.000 | | Maximum | 95.000 | 90.000 | 92.000 | | Range | 32.000 | 65.000 | 76.000 | | Variance | 68.694 | 217.478 | 255.969 | | | | | | | | | | | Overall‚ the nurses show the highest level of satisfaction with their work (mean = 79.80 and median = 82). The data shows 40 of the 50 nurses rated
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µlow ≠ µmedium ≠ µhigh Analysis 1. All Sales | Inside | | Outside | | | | | | | | Mean | 64925 | Mean | 59289 | Mean | 70562 | Standard Error | 989 | Standard Error | 1115 | Standard Error | 1276 | Median | 61490 | Median | 56407 | Median | 69000 | Mode | 53464 | Mode | 53464 | Mode | #N/A | Standard Deviation | 10839 | Standard Deviation | 8639 | Standard Deviation | 9884 | Sample Variance | 117476832 | Sample Variance | 74634297 | Sample Variance | 97692326
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the lower boundary to the upper boundary). When question says “give a reason to justify the use of a histogram to represent these data” The answer is “Data is continuous”. Box-Whisker Diagrams: Main features & uses of Box Plots: Indicates max / median / min / upper quartile/ lower quartile. Indicates outliers. Illustrates skewness Allows comparisons Indicates range / Interquartile range / spread Mathematical Modelling in Statistics: A mathematical model is a simplification
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Hassani Date of Submission : 30/04/2012 Word Count (Without contents‚ References and Title page): 2‚497 Contents 1.1 - Introduction – Page 3 2.1 – Data set‚ Annual GDP % Change Comparisons – Page 3 2.2- The mean – Page 3 2.3- The Median – Page 4 2.4- Histograms – Page 4 2.5- The Range – Page 5 2.6- Simple Linear Regression – Page 6 3.1- Time series analysis – Line Graph (Cyclical) – Page 8 4.1- Conclusion – Page 8 5.1- References – Page 9 1.1 Introduction
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