intro & sampling

intro & sampling - Practice Problems for...

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Practice Problems for Introduction & Sampling © 2010 Radha Bose FSU Department of Statistics 1 1. Below is a list of US presidents, numbered in chronological order. (We ignore the fact that Grover Cleveland had two non-consecutive terms, serving his second term after Benjamin Harrison.) 00 — George Washington 22 — Benjamin Harrison 01 — John Adams 23 — William McKinley 02 — Thomas Jefferson 24 — Theodore Roosevelt 03 — James Madison 25 — William Howard Taft 04 — James Monroe 26 — Woodrow Wilson 05 — John Quincy Adams 27 — Warren G. Harding 06 — Andrew Jackson 28 — Calvin Coolidge 07 — Martin Van Buren 29 — Herbert Hoover 08 — William Henry Harrison 30 — Franklin D. Roosevelt 09 — John Tyler 31 — Harry S. Truman 10 — James K. Polk 32 — Dwight D. Eisenhower 11 — Zachary Taylor 33 — John F. Kennedy 12 — Millard Fillmore 34 — Lyndon B. Johnson 13 — Franklin Pierce 35 — Richard Nixon 14 — James Buchanan 36 — Gerald Ford 15 — Abraham Lincoln 37 — Jimmy Carter 16 — Andrew Johnson 38 — Ronald Reagan 17 — Ulysses S. Grant 39 — George H. W. Bush 18 — Rutherford B. Hayes 40 — Bill Clinton 19 — James A. Garfield 41 — George W. Bush 20 — Chester A. Arthur 42 — Barack Obama 21 — Grover Cleveland
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Practice Problems for Introduction & Sampling © 2010 Radha Bose FSU Department of Statistics 2 John Adams (not John Quincy Adams) was the last president who started his term(s) in the 1700s. William McKinley was the last president who started his term(s) in the 1800s. Bill Clinton was the last president who started his term(s) in the 1900s. Use the labeling provided to select a stratified random sample of one president who started his term(s) in the 1700s, six presidents who started in the 1800s, four who started in the 1900s and one who started in the 2000s. Enter the random digits sheet at line AM. 2. Identify the subjects, observations, population, sample, parameter and statistic in the following story (be careful, you may not be able to find an exact number for the parameter or the statistic, but you can describe it in words): The federal government wants to know how much money they need to budget to recompense the victims of Hurricane Katrina, therefore they would like to know the average loss per person. To get a preliminary idea of the average loss per person, they poll the people sheltered in the Houston Astrodome. It turns out that the average loss of those persons is $7500 per person. 3. A random sample of doctors from a certain city will be chosen to take part in a national medical standards survey. The doctors are labeled as follows: 00-29 are pediatricians, 30-39 are neurologists and 40-59 are cardiologists. (i) Enter the random digits sheet at line W and choose a stratified random sample of 3 pediatricians, 1
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intro & sampling - Practice Problems for...

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