# PracticeMidterm_with - Practice Midterm STAT 1100 2084 Laurel Chiappetta Name 1PM 2:30PM 4PM 1(50 points For each of the following examples

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Practice Midterm Name: ____________________ STAT 1100, 2084 1PM 2:30PM 4PM Laurel Chiappetta 1. (50 points) For each of the following examples, identify (if there are two variables, show data type for both): Data type(s) as: N ominal, O rdinal, or I nterval The most appropriate numerical display of the data (Graph) as: 1 Mean and SD, 2 Median and Quartiles, 3 Frequency distribution, 4 Correlation, 5 Geometric Mean and spread, 6 Contingency table The most appropriate graphical display of the data (numerical display, include both center and spread if applicable) as: A Bar Chart, B Pie Chart, C Histogram, D Time Series Plot, E Stem and Leaf Plot, F Box Plot, G Scatterplot Data description Data type(s) Numerical Display Graph A company decides to investigate the amount of sick leave taken by its employees. A sample of employees is taken and number of days of sick leave is recorded. From a first look at the data by the human resource manager, it appears that most employees are not taking any sick days, but a few employees have taken almost a week of sick time. N O I 1 2 3 4 5 6 A B C D E F G The Metro Train Company was interested in knowing the educational background of its customers. In a survey of 50 commuters at the train station, the commuters were asked to disclose their educational attainment. They would like to summarize the responses relative to each other. N O I 1 2 3 4 5 6 A B C D E F G A hospital administrator wants to evaluate the survival status for different types of surgery that is performed in her hospital. She gathers data on the type of surgery (planned or emergency) and the outcome of the surgery (survived or died). N - both O I 1 2 3 4 5 6 A B C D E F G A company records the cost (in dollars) of 30 postal mailings made by their accounting department. The head of the department would like a simple summary in which she can determine the shape of the overall distribution but also be able to see the actual values. N

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## This note was uploaded on 06/25/2008 for the course BUSSPP MCE taught by Professor Atkins during the Spring '08 term at Pittsburgh.

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PracticeMidterm_with - Practice Midterm STAT 1100 2084 Laurel Chiappetta Name 1PM 2:30PM 4PM 1(50 points For each of the following examples

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