Presentation1 - The following data give the number of...

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The following data give the number of bedrooms in homes owned or rented by 30 families randomly selected from 1990 interview survey. Required: A) prepare frequency distribution using single- variable classes B) calculate the relative frequency and percentage for all classes C) How many homes in the sample have 2 or 3 bedrooms D) present this data on a bar graph for the percentage frequency distribution 3 5 2 3 2 3 1 2 1 3 4 1 4 3 1 3 2 2 3 3 4 3 1 2 4 2 2 5 3 3
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Test your understanding The following data give the number of orders received for a sample of 30 hours at the Timesaver Mail order company. 34 44 31 52 41 47 38 35 32 39 28 24 46 41 49 53 57 33 27 37 30 27 45 38 34 46 36 30 47 50 a) Construct a frequency distribution table using the following classes; 0-15, 15-30, 30-45, 45-60. b) Calculate the relative frequency and percentage frequency for all classes. c) For what percentage of the hours in this sample was the number of orders more than 36?
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Graphical presentation of data Qualitative/categori cal (Single value class ( Bar chart & Pie chart Quantitative data (Multi value Class ( Histograms & Polygon & Ogive
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Pie Chart the size of each slice of a pie (circle) is proportional to the class relative frequency.
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  • Fall '17
  • Nasser

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