this assignment on or before 30th April‚ 2014 to the coordinator of your study center. 1. The distribution of Intelligence Quotient (I.Q.) scores measured for 100 students in a test is as follows: I.Q.* 40-50 50-60 60-70 70-80 80-90 90-100 Number of Students 10 20 20 15 15 20 * The data is recorded with origin as 40‚ i.e. students with I.Q. between 80 and 90 are included in the first
Premium Normal distribution Median Standard deviation
Variances Variances can be either: * Positive/favourable (better than expected) or * Adverse/unfavourable ( worse than expected) A favourable variance might mean that: * Costs were lower than expected in the budget‚ or * Revenue/profits were higher than expected By contrast‚ an adverse variance might arise because: * Costs were higher than expected * Revenue/profits were lower than expected What causes budget variance? There are four key reasons and it is important that
Premium Normal distribution Variance Arithmetic mean
FREQUENCY POLYGONS W H AT I S A F R E Q U E N C Y P O LY G O N Frequency polygons are a graphical device for understanding the shapes of distributions. They serve the same purpose as histograms‚ but are especially helpful for comparing sets of data. Frequency polygons are also a good choice for displaying cumulative frequency distributions. H O W T O C R E AT E A F R E Q U E N C Y P O LY G O N To create a frequency polygon‚ start just as for histograms‚ by choosing a class interval. Then draw
Premium Frequency distribution Harshad number Analytic geometry
rates less than 70 = 50% b. Percentage of rates less than 55 = 16% c. Relative frequency of rates less than 40 = 2.5% d. Percentage of rates less than 85 = 84% e. Relative frequency of rates less than 100 = 97.5% f. Percentage of rates greater than 85 = 16% g. Percentage of rates greater than 55 = 84% h. Relative frequency of rates greater than 40 = 97.5% i. Percentage of rates between 55 and 85 = 68%
Premium Standard deviation Normal distribution Statistics
displays of distribution of univriate data (dotplot‚ stemplot‚ histogram‚ cumulative frequency plot) 1. Center = location Spread = variablility 2. Clusters are isolated groups of data points. Gaps refer to missing areas in a data set. 3. Outliers are extreme values‚ data points that lie significantly outside other values in a data set. Unusual features are gaps and clusters. 4. Shape = Distribution pattern with data B. Summarizing distribution of univariate data. 1
Premium Median Standard deviation Arithmetic mean
U.S.A. 1984 0191-2607’81 s3.@3+m Pcr&mon Rss L:d. BUS FREQUENCY DETERMINATION PASSENGER COUNT DATA Department USING of Civil Engineering‚ Transportation Research Institute‚ Tcchnion-Israel Technology‚ Haifa‚ Israel (Received 21 February 1983; in revised form 5 December 1983) Institute of Abstract-The importance of ridership information has led transit properties to increase the amount of manually collected data or alternatively to introduce automated surveillance techniques
Free Public transport Bus Bus stop
degradations in overall system performance. Therefore‚ successful simulation of wireless communication systems depends upon the use of modulator models that capture all of the significant deviations from ideal behavior. In the “usual” development of data modulation techniques as presented in most communications texts‚ the various techniques are presented in order of complexity‚ starting with the simplest. Thus BPSK would be presented first‚ then QPSK followed by m-PSK‚ and so on. Because of its relationship
Premium Modulation
Allele Frequencies in Populations: Hardy-Weinberg Law Assumptions Already Made (Can’t Control) 1) Population Size 2) Mutation 3) Natural Selection 4) Immigration/emmigration 5) Non-random mate choice Can Control 1) Population Size 2) Natural Selection Control Variable Left side Experimental Variable Right Side Comparisons are most meaningful when there is only ONE difference between populations For this experiment only the population size should be different and everything else should
Premium Evolution Genetics Population genetics
Understanding LNB Frequencies and Transponder Frequencies « on: April 01‚ 2008‚ 07:44:50 PM »http://www.galaxy-marketing.com/satellite-support-forum1/index.php?topic=39.0 | | These are LNB types and frequencies: DSS Circular LNB = 12.2GHz-12.7GHz Standard FSS Linear LNB = 11.7GHz-12.2GHz Universal FSS Linear LNB = 10.7GHz-12.7GHz Keeping the above frequency range in mind‚ now let’s look at the frequency ranges of your transponder. Keep in mind that the transponder frequencies are presented
Premium Marketing Airline Strategic management
life was not having the “normal” family that most kids seem to have growing up. I never had the family where the mom bakes all the time and takes her kids to soccer practice and drives a mini van‚ while the dad doesn’t come home until later at night just to help his kids with their homework and tells them goodnight while him and his wife talk about their day apart. Instead‚ I was the girl that had the parents that always fought about my mother’s drinking problem and how she was single-handedly ruining
Premium Family Mother Father