Frequency Distributions PDF

Added on - 22 Nov 2020

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TABLE OF CONTENTSQUESTION 1..................................................................................................................................3a. Prepare a frequency, relative and percent frequency distribution for the data set using a classwidth of $50.................................................................................................................................3b. Construct a histogram showing the percent frequency distribution of the furnitureordervalues...........................................................................................................................................3c....................................................................................................................................................4QUESTION 2..................................................................................................................................4a....................................................................................................................................................4b...................................................................................................................................................5c....................................................................................................................................................5QUESTION 3..................................................................................................................................5Assessing whether sample sizes for the three treatments are equal.............................................5QUESTION 4..................................................................................................................................6a. Developing an estimate regression equatuion related to y to X1 & X2...................................6b. identifying relationship betweem dependent and independent variables...............................6c. Assessing whetherβ1 andβ2 is different from zero...............................................................6d. Interpreting slope co-efficient for X2......................................................................................8e. Assessing the number of mobile phones which one expect to sell in a day............................8
QUESTION 1a. Prepare a frequency, relative and percent frequency distribution for the data set using a classwidth of $50Dollar-amountdistribution of thefurnitureordersCount of Number oforders (f)Relative frequencydistributionFrequency in termsof %123-17280.1616%173-222160.3232%223-272110.2222%273-32240.088%323-37250.110%373-42220.044%423-47230.066%473-52210.022%GrandTotal501100%b. Construct a histogram showing the percent frequency distribution of the furnitureorder valuesBinFrequencyCumulative %12312.00%175.4286920.00%227.85711550.00%280.28571172.00%332.7143480.00%385.1429488.00%437.5714394.00%More3100.00%
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