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Assignment on Statistics PDF

   

Added on  2020-09-17

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Statistics
Assignment on Statistics PDF_1
TABLE OF CONTENTSINTRODUCTION...........................................................................................................................1TASK 1............................................................................................................................................1A) Performing testing of hypothesis based on income level of employees in public sector..1B) Preparing T test income level of employees in private entities.........................................2C) Preparing Earnings–Time chart.........................................................................................3D) Producing Annual growth rate..........................................................................................4TASK 2............................................................................................................................................52.1 Presentation of data in form of graph...............................................................................52.2 Performing data analysis..................................................................................................5B) Defining measures of dispersion.......................................................................................82.3 Preparing report and interpretation of mean, mode and standard deviation.....................8SECTION B.....................................................................................................................................92.4 Producing Line chart........................................................................................................9TASK 3..........................................................................................................................................11A) Presenting deliveries made in concern period.................................................................11B) Producing number of deliveries made in several rounds.................................................11C) Presenting EOQ using formula........................................................................................11TASK 4..........................................................................................................................................134.1 Analysis of data with help of charts...............................................................................134.2 Relationship between prices and bedrooms in varied localities.....................................16CONCLUSION..............................................................................................................................17REFERENCES..............................................................................................................................17
Assignment on Statistics PDF_2
INTRODUCTIONStatistical tools are quite important for management of business to draw out meaningfulresults with much ease. The enclosed report deals with importance of statistics in business and assuch highlights benefits to be used by management to take effective decisions. The statisticaltools help to study relationship between dependent and independent variables and help tounderstand how much one deviate from another. The tools like mean, mode and standarddeviation are essential and crucial methods and are main pillars of statistics. As such, it helpsstatisticians to solve tasks and analyse difference and variability between different variables tostudy deviations quite effectively. TASK 1A) Performing testing of hypothesis based on income level of employees in public sectorFor carrying out income level, Null hypothesis is performed-H 0- No difference between income of men and that of women in public sectorH 1- There is significant difference between income level of men and womenInterpretation-T test computation is performed to show the difference between income level of male andfemale in public entities. It can be interpreted that the value of level of significance is under1Illustration 1: Calculation of T test
Assignment on Statistics PDF_3
range 1.27 > 0.05 which shows that there is not much difference between male and female inpublic industry. This shows that gender is treated equally and no discrimination is found whileproviding salaries to men and women. This means that government is favourable to both maleand female and giving out equal pay to them on the same job position (Cressie, 2015). For this, Ttest is performed which shows deviation of mean and that of variance value. This is evident fromthe fact that income level of men is 32276 while of women is 26929. On the other hand, value ofvariance is 1449962 of male and that of women is 977868 which clearly shows that variance ofmen's income is more than women. In simple words, variance value of men is more deviated thanwomen.B) Preparing T test income level of employees in private entitiesInterpretation-It can be interpreted that there is no significant difference between income level of maleand female in private entities. This is made clear by performing T test which highlightsdifference between mean and variance value quite effectively. The range with context to value oflevel of significance is 1.35 > 0.05 which shows that no significant difference is being found outin two variables in private industry (Mozaffarian and et.al, 2015). This is evident from thecalculation that mean value of male is 28062 while on the other hand, mean of female is 20541.This shows that difference is just 7521 which is not much. Furthermore, variance of male is840242 while of variance of female is 988729. There is a little difference observed between2Illustration 2: Computation of T test
Assignment on Statistics PDF_4

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