[Table] header: Poll source | Date(s) administered | Sample size | Margin of error | Barbara Boxer (D) | Carly Fiorina (R) | Other | Undecided row 1 : Public Policy Polling (report) | October 29–31, 2010 | 882 | ± 3.3% | 50% | 46% | — | 3%
row 2 : SurveyUSA (report) | October 26–31, 2010 | 587 | ± 4.1% | 46% | 38% | 6% | 10%
row 3 : Angus Reid Public Opinion (report | October 28–29, 2010 | 485 | ± 4.5% | 51% | 44% | 5% | —
row 4 : Rasmussen Reports (report) | October 27, 2010 | 750 | ± 4.0% | 49% | 46% | 2% | 3%
row 5 : CNN/Time/Opinion Research (report | October 20–26, 2010 | 1,527 | ± 2.5% | 50% | 45% | 1% | —
row 6 : Field Poll (report) | October 14–26, 2010 | 1,501 | ± 3.2% | 49% | 41% | — | 10%
row 7 : SurveyUSA (report) | October 21–25, 2010 | 594 | ± 4.1% | 45% | 40% | 7% | 8%
row 8 : Suffolk University (report) | October 21–24, 2010 | 600 | ± 4.0% | 52% | 43% | 4% | 2%
row 9 : Fox/Pulse Opinion Research ( | October 23, 2010 | 1,000 | ± 3.0% | 48% | 44% | 5% | 3%
row 10 : Public Policy Polling (report) | October 21–23, 2010 | 622 | ± 3.2% | 52% | 43% | 0% | 5%
row 11 : Rasmussen Reports (report) | October 21, 2010 | 750 | ± 4.0% | 48% | 46% | 3% | 3%
row 12 : USC/LA Times (report) | October 13–20, 2010 | 878 | ± 3.2% | 50% | 42% | 4% | 4%
row 13 : Tarrance Group (report) | October 17–19, 2010 | — | ± 4.1% | 44% | 44% | 6% | 5%
row 14 : PPIC (report) | October 10–17, 2010 | 1,067 | ± 3.5% | 43% | 38% | 6% | 13%
row 15 : Reuters (report) | October 12–14, 2010 | 601 | ± 4.0% | 46% | 45% | 2% | 6%
row 16 : Rasmussen Reports (report) | October 13, 2010 | 750 | ± 4.0% | 49% | 46% | 2% | 3%
row 17 : Angus Reid Public Opinion (report | October 6, 2010 | 501 | ± 4.5% | 55% | 39% | 6% | —
row 18 : Rasmussen Reports (report) | October 3, 2010 | 750 | ± 4.0% | 49% | 45% | 2% | 5%
row 19 : USC poll report | September 27, 2010 | 1,003 | — | 39% | 34% | — | 23%
row 20 : PPIC report | September 19–26, 2010 | 1,104 | ± 3% | 42% | 35% | 6% | 17%
row 21 : CNN/Time/Opinion Research Corporation (re | September 24–28, 2010 | 786 | ± 3.5% | 52% | 43% | 3% | 2%
row 22 : Rasmussen Reports (report) | September 20, 2010 | 750 | ± 4.0% | 47% | 43% | 4% | 6%
row 23 : Fox News/Pulse Opinion Research | September 18, 2010 | 1,000 | ± 3.0% | 47% | 46% | 3% | 4%
row 24 : Public Policy Polling (report) | September 14–16, 2010 | 630 | ± 3.9% | 50% | 42% | — | 8%
row 25 : Fox News (report) | September 11, 2010 | 1,000 | ± 3.0% | 46% | 44% | 4% | 6%
row 26 : Rasmussen Reports (report) | September 6, 2010 | 750 | ± 4.0% | 47% | 48% | 2% | 3%
row 27 : Rasmussen Reports (report) | September 6, 2010 | 750 | ± 4.0% | 42% | 47% | — | —
row 28 : CNN(report) | September 2–7, 2010 | 866 | ± 3.5% | 48% | 44% | 5% | 3%
row 29 : Survey USA (report) | August 31-September 1, 2010 | 569 | ± 4.2% | 46% | 48% | 5% | 1%
row 30 : Rasmussen Reports (report) | August 24, 2010 | 750 | ± 4.0% | 44% | 43% | 5% | 8%
row 31 : Survey USA/CBS 5 (report) | August 9–11, 2010 | 602 | ± 4.0% | 42% | 47% | — | 11%
row 32 : Rasmussen Reports (report) | August 3, 2010 | 750 | ± 4.0% | 45% | 40% | 5% | 10%
row 33 : Public Policy Polling (report) | July 23–25, 2010 | 614 | ± 3.95% | 49% | 40% | — | 11%
row 34 : Rasmussen Reports (report) | July 12, 2010 | 500 | ± 4.5% | 49% | 42% | 4% | 5%
row 35 : Survey USA (report) | July 8–11, 2010 | 614 | ± 4.0% | 45% | 47% | 3% | 5%
row 36 : Reuters (report) | June 30, 2010 | 600 | ± 4.5% | 45% | 41% | 1% | 13%
row 37 : Rasmussen Reports (report) | June 9, 2010 | 500 | ± 4.5% | 48% | 43% | 5% | 5%
row 38 : Public Policy Polling (report) | May 21–23, 2010 | 921 | ± 3.2% | 45% | 42% | — | 13%
row 39 : Los Angeles Times (report) | May 19–26, 2010 | — | — | 44% | 38% | — | —
row 40 : Research 2000 (report) | May 17–19, 2010 | 600 | ± 4.0% | 48% | 39% | — | —
row 41 : PPIC (report) | May 9–16, 2010 | 2,003 | ± 2.0% | 48% | 39% | — | 13%
row 42 : Rasmussen Reports (report) | May 12, 2010 | 500 | ± 4.5% | 45% | 38% | 4% | 12%
row 43 : PPIC (report) | March 24, 2010 | 2,002 | ± 2.0% | 44% | 43% | — | 13%
row 44 : The Field Poll (report) | March 18, 2010 | 748 | ± 3.7% | 45% | 44% | — | 11%
row 45 : Rasmussen Reports (report) | March 11, 2010 | 500 | ± 4.5% | 46% | 40% | 4% | 10%
row 46 : Research 2000 (report) | March 10, 2010 | 600 | ± 4.0% | 49% | 40% | — | 11%
row 47 : Rasmussen Reports (report) | February 11, 2010 | 500 | ± 4.5% | 46% | 42% | 7% | 5%
row 48 : PPIC (report) | January 27, 2010 | 2,001 | ± 2.0% | 48% | 40% | — | 12%
row 49 : The Field Poll (report) | January 5–17, 2010 | 1,005 | ± 3.2% | 50% | 35% | — | 15%
row 50 : Rasmussen Reports (report) | January 14, 2010 | 500 | ± 4.5% | 46% | 43% | 3% | 8%
row 51 : Rasmussen Reports (report) | November 17, 2009 | 500 | ± 4.5% | 46% | 37% | 5% | 12%
row 52 : The Field Poll (report) | Sept. 18–October 6, 2009 | 1,005 | ± 3.2% | 49% | 35% | — | 16%
row 53 : Rasmussen Reports (report) | September 23, 2009 | 500 | ± 4.5% | 49% | 39% | 4% | 8%
row 54 : Research 2000 (report) | August 9–12, 2009 | 600 | ± 4.0% | 52% | 31% | — | 17%
row 55 : Rasmussen Reports (report) | July 22, 2009 | 500 | ± 4.5% | 45% | 41% | 7% | 7%
row 56 : Rasmussen Reports (report) | March 9, 2009 | 500 | ± 4.5% | 47% | 38% | 10% | 5% [/Table] Answer this question based on the above table: what is the margin of error when the undicided is 8% and other is 4%?

Answer: ± 4.5%