PPT-Measurements of central tendency

Introduction Arithmetic mean Median Mode Geometric mean Harmonic mean Relationship bw mean median amp mode Arithmetic mean Calculation of arithmetic mean in the following ways. Mean Arithmetic Mean To calculate the arithmetic mean of a set of data we must 64257rst add up sum all of the data values and then divide the result by the number of values Since is the symbol used to indicate that values are to be summed see Sigm In many real-life situations,it is helpful to describe data by a single number that ismost representative of the entire collection of numbers. Such a number is called ameasure of central tendency.The Cross-examination. Ian Barker QC. . The Uniform Evidence Act in Practice– some recent and not so recent cases . Alistair Wyvill SC. . Documents - UEA. Adducing evidence (chap.2)/ admission of evidence (UEA chap.3). Frequencies, . Central Tendency, Dispersion and Standard Deviation. SIT094. The Collection and Analysis of Quantitative Data. Week 3. Luke Sloan. About Me. Name: Dr Luke Sloan. Office: 0.56 . Glamorgan. Dakota Davis. Slides taken from a . Workshop presented by Linda Henkel and Laura . McSweeney. of Fairfield University. Funded by the Core Integration Initiative and the Center for Academic Excellence at Fairfield University. . Importance of central . tendency------. 1-- It is Representative score of group. 2-- Indirect description of the population. 3-- Comparison of performance of two group. . Type of . The Aim. The main purpose of Measures of Central Tendency is to provide a single summary figure that best describes the central location of an entire distribution. . A measure of Central Tendency also helps to simplify comparison of two or more groups tested under different conditions. In many real-life situations,it is helpful to describe data by a single number that ismost representative of the entire collection of numbers. Such a number is called ameasure of central tendency.The Measures of Central Tendency. DEF: Those measurements that indicate the central values of a data set (the averages). How many are there?. 3. What are they called?. Mean – Median - Mode. Definitions of the three measures of central tendency. READ. sentences. DISCUSS. word’s possible meaning using context clues. WRITE. a synonym that fits the sentence above the unknown word. . When you have finished all sentences . MATCH. words with definitions . Sometimes it is referred to as a “middle” number of the data.. Measures of Central Tendency:. A single number to serve as a representative value around which all the numbers in the set tend to cluster.. READ. sentences. DISCUSS. word’s possible meaning using context clues. WRITE. a synonym that fits the sentence above the unknown word. . When you have finished all sentences . MATCH. words with definitions . by. Dr. Deepali . nigam. Assistant Professor. Department of Physical Education, . Mahila. . Mahavidyalaya. (P. G.) . Kidwai Nagar, Kanpur. Measures of Central Tendency. Measures of central tendency are a combination of two words . The inherent inability of the human mind to grasp in its entirety a large body of data which compel us to seek relatively few constants that will adequately describe the data. .. . The . large number of big figures are not only confusing to mind but also difficult to .