DC Households. Use the following information for Exercises 59–61. The data set Households, located on the text Web site, contains information on the number and type of households in the 50 states and the District of Columbia. For each state, there are seven variables. Two of these variables are the percentage of households headed by women and the total number of households in the state . Minitab provides the following regression equation:

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Note: Minitab shows its regression equations as instead of . Also, the notation 2.82E-07 refers to the scientific notation method of writing numbers. Often, software and calculators will present you with this type of notation, so you need to know how to read it. The number 2.82E-07 represents 2.82 times , or 0.000000282.

Question 4.158

households

60. Estimate the increase or decrease in the percentage of households headed by women, using a sentence, for the following situations:

  1. Suppose State A has 1 million more households than State B.
  2. Suppose State C has 5 million fewer households than State D.