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    NRF/BIG research for holiday consumer spending

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    NRF/BIG research provided results of a consumer holiday spending survey(USA Today, December 20,2005). The following data provided the dollar amount of holiday spending for a sample of 25 consumers.
    1200- 850 -740- 590- 340
    450- 890- 260- 610 -350
    1780 -180 -850- 2050- 770
    800 -1090 -510 -520 -220
    1450 -280 -1120- 200 -350
    a) What is the lowest holiday spending? the Highest
    b) Use a class width of $250 to prepare a frequency distribution and a percent frequency distribution for the data
    c) Prepare a histogram and comment on the shape of the distribution
    d) What observation can you make about holiday spending?
    The Nielsen home Technology report provided information about home technology and its usage. The following data are the hours of personal computer usage during one week for a sample of 50 persons
    4.1 -1.5 -10.4- 5.9 -3.4 -5.7 -1.6 -6.1 -3.0- 3.7
    3.1 -4.8- 2.0- 14.8- 5.4- 4.2- 3.9 -4.1 -11.1- 3.5
    4.1 -4.1- 8.8 -5.6- 4.3- 3.3- 7.1 -10.3- 6.2 -7.6
    10.8- 2.8 -9.5 -12.9- 12.1- 0.7 -4.0 -9.2- 4.4 -5.7
    7.2 -6.1- 5.7 -5.9 -4.7- 3.9 -3.7- 3.1- 6.1-3.1
    Summarize the data by constructing the following
    a) A frequency distribution (use a class width of three hours)
    b) A relative frequency distribution
    c) A histogram
    d) An ogive
    e) Comment on what the data indicate about personal computer usage at home

    Major league baseball payrolls continue to escalate. Team payrolls in millions are as following
    Team Payroll
    Arizona 62
    Atlanta 86
    Baltimore 74
    Boston 124
    Chi Cubs 87
    Chi White Sox 75
    Cincinnati 62
    Cleveland 42
    Colorado 48
    Detroit 69
    Florida 60
    Houston 77
    Kansas City 37
    LA Angles 98
    LA Dodgers 83
    Milwaukee 40
    Minnesota 56
    NY Mets 101
    NY Yankees 208
    Oakland 55
    Philadelphia 96
    Pittsburgh 38
    San Diego 63
    San Francisco 90
    Seattle 88
    St. Louis 92
    Tampa Bay 30
    Texas 56
    Toronto 46
    Washington 49
    A) What is the median team payroll
    B) Provide a five number summary
    C) Is the $208 million payroll for the new York Yankees an outlier:

    Small business owners often look to payroll service companies to handle their employee payroll. Reasons are that small business owners face complicated tax regulations' and penalties for employment tax errors are costly. According to the internal revenue service, 26% of all small business employment tax returns contained errors that resulted in a tax penalty to the owner ( the wall street journal, January 30,2006) The tax penalty for a sample of 20 small business owners are as follows

    Tax Penalty
    820
    270
    450
    1010
    890
    700
    1350
    350
    300
    1200
    390
    730
    2040
    230
    640
    350
    420
    270
    370
    620

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