1. Khalil is working on a monthly budget, but he doesn't know what to put down for his gas bill, as the amount changes each month. He decides to calculate the mean and median to get a better idea how much to put aside toward the bill each month. This chart shows the amounts of his last 12 gas bills: Month: Bill ($): Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug 26 89 202 212 208 240 175 120 34 25 24 25 a. What is the mean amount of Khalil's monthly gas bills from the past year? b. What is the median? c. Which number do you think Khalil should use in his monthly budget? Why?

The table shows the motor vehicle deaths in the United States by year from 2010 through 2018. a) What is the frequency of deaths measured from 2010 through 2018? b) What percentage of deaths occurred after 2016? c) What is the relative frequency of deaths that occurred in 2012 or before? d) What is the percentage of deaths that occurred in 2015? e) What is the cumulative relative frequency for 2016? Explain what this number tells you about the data. Year Deaths 2010 32899 2011 32479 2012 33782 2013 32893 2014 32744 2015 35425 2016 37806 2017 37133 2018 36560 Show your work below. Round relative and cumulative frequencies to 3 decimal places and percents to 1 decimal place.

should have the right to marry. (The 2014 data were collected before the 2015 U.S. C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals 30 measured on a 5-point scale from strongly agree (1) to strongly disagree (5). Supreme Court decision granting same-sex couples the right to marry. Responses wer measured on a 5-point scale from strongly agree (1) to strong!y aisagiee (2). Cumulative Percentage Homosexuals Should Have Right to Marry (2014) Percentage Frequency 32.5 32.5 Strongly agree 251 57.5 25.2 Agree 195 67.3 Neither agree nor disagree 9.6 74 79.2 Disagree 92 11.9 100.0 Strongly disagree 161 20.8 Total 773 100.0 Homosexuals Should Have Cumulative Right to Marry (2018) Frequency Percentage Percentage Strongly agree 293 39.5 39.5 Agree 200 27.0 66.5 Neither agree nor disagree 70 9.4 75.9 Disagree 67 9.0 84.9 Strongly disagree 111 15.0 99.9 Total 741 99.9 a. What is the level of measurement for this variable? b. What is the mode for 2014? For 2018?