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Introduction to Statistics: Data Types, Measurement Levels, Frequency Distributions, and Visual Data Representation

Covers fundamental statistical concepts and data visualization.

Amelia Davis
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Due by 11.59pmJune29th1Introduction to Statistics: Data Types, Measurement Levels, FrequencyDistributions, and Visual Data RepresentationChapter 1Overview of StatisticsChapter 2Data CollectionChapter 3Describing DataVisuallyAssignmentPlease providedetailed solutions to the following problems/exercises (4problems/exercises x8pointseach):1) What type of data (categorical, discrete numerical, or continuous numerical) is each of the followingvariables?a)Length of a TV commercial.Continuous numericalb)Number of peanuts in a can of Planter’s Mixed Nuts.Discrete numericalc)Occupation of a mortgage applicant.Categoricald)Flight time from London Heathrow to Chicago O’Hare.Continuous numerical2) Which measurement level (nominal, ordinal, interval, ratio) is each of the following variables? Explain.a)Number of employees in the Walmart store in Hutchinson, Kansas.As the number of employees in the Walmart store in Hutchinson, Kansas canbe any integer valuestarting from 0; thus itis aratioscale.b)Number of merchandise returns on a randomly chosen Monday at a Walmart store.Here also the number can be anyintegervalue starting from 0 thus a ratio scale.c)Temperature (in Fahrenheit) in the ice-cream freezer at a Walmart store.The temperature of ice-cream can be anything but as its in Fahrenheit so no definition of 0 isavailable so the most appropriate scale is interval scale.d)Name of the cashier at register 3 in a Walmart storeThe name would be categorical and we can’tput them in order thus it would be Nominal scale.e)Manager’s rating of the cashier at register 3 in a Walmart store.

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