(a) Consider the following quantitative / numerical data, what measurement scale are they? (1 mark each) (i) Temperature in Fahrenheit (ii) Number of months between two economic recessions (b) The following table shows a study involving interviewees who were asked to provide information about how much they spend on their phone bill each month. (1 mark each) Phone Bill $0 to $15 >$15 to $30 >$30 to $45 >$45 to $60 >$60 to $75 >$75 to $90 >$90 to $105 >$105to $120 Total Frequency 26 40 34 28 13 28 17 14 200 Cumulative Frequency 26 66 100 128 141 169 186 200 Cumulative Relative Frequency 0.130 0.330 0.500 0.640 0.705 0.845 0.930 1.000 Cumulative Percentage Frequency 13.0 33.0 50.0 64.0 70.5 84.5 93.0 100.0 (i) How many people did we interview? (ii) How many people are there who spend between $60 and $105 per month? What is the fraction of people who spend between $15 and $30 per month among all interviewees? (a) Consider the following quantitative / numerical data, what measurement scale are they? (1 mark each) (i) Temperature in Fahrenheit (ii) Number of months between two economic recessions (b) The following table shows a study involving interviewees who were asked to provide information about how much they spend on their phone bill each month. (1 mark each) Phone Bill $0 to $15 >$15 to $30 >$30 to $45 >$45 to $60 >$60 to $75 >$75 to $90 >$90 to $105 >$105to $120 Total Frequency 26 40 34 28 13 28 17 14 200 Cumulative Frequency 26 66 100 128 141 169 186 200 Cumulative Relative Frequency 0.130 0.330 0.500 0.640 0.705 0.845 0.930 1.000 Cumulative Percentage Frequency 13.0 33.0 50.0 64.0 70.5 84.5 93.0 100.0 (i) How many people did we interview? (ii) How many people are there who spend between $60 and $105 per month? What is the fraction of people who spend between $15 and $30 per month among all interviewees