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## ZAP

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**1**Is this Categorical or Quantitative Data? A list of post office box numbers?**2**Decide which method of data collection you would use to gather data for the study. A study of the effects of a fertilizer on a soybean crop.**3**Define population**4**Identify which sampling technique was used in the study. Explain your reasoning. A pregnancy study in Cebu, Phillippines, randomly selected 33 communities from the Cebu metropolitan area, then interviewed all the pregnant women in these communities.**5**Explain the flaw: “Do you think that President Obama should pull the troops from Iraq so that no more American soldiers are killed in hostile attacks?”**6**Identify which sampling technique was used in the study. Explain your reasoning. For quality assurance, every 10th machine part is selected from an assembly line and measured for accuracy.**7**Determine whether the numerical value is a parameter or statistic. 57 of the 120 students thought that new computers should be bought for the school library.**8**Determine whether the numerical value is a parameter or statistic. The 97 passengers aboard the Hindenburg airship survived its explosions.**9**Is this Categorical or Quantitative? Final exam scores in a chemistry class.**10**Decide which method of data collection you would use to gather data for the study. A study of charitable donations of the CEOs in Syracuse, New York.**11**What is Statistics?**The study of collecting, organizing, analyzing, and**interpreting data to make decisions**12**What is blinding? Name the two types of blinding and explain them.**Ways to control an the placebo effect1) single blind2)**double blind**13**Identify which sampling technique was used in the study. Explain your reasoning. You are randomly picking houses in West Ridge County. You split the County by their zip codes and take all the houses that have the zip code 19574**14**Identify which sampling technique was used in the study. Explain your reasoning. A study of attitudes about smoking is conducted at a college. The students are divided by class (freshman, sophomore, junior, or senior). Then a random sample is selected from each class and interviewed.**15**Define sample**16**Identify each data set’s level of measurement. Explain your reasoning. The years of birth for the runners in the Boston marathon.**17**Identify the population and the sample of the following study. A study of 372 patients with anxiety disorders was conducted to find a link between coffee drinking and anxiety disorders.**Population: Patients with anxietySample: 372 patients with**anxiety disorders**18**Decide which method of data collection you would use to gather data for the study. A study of the effect of kangaroos on the Florida Everglades ecosystem.**19**Determine whether the numerical value is a parameter or statistic. In a recent survey of 1503 adults in the United States, 53% said they use both a landline and a cell phone.**20**Identify each data set’s level of measurement. Explain your reasoning. The number of candles sold by a candle manufacturer each quarter for the current fiscal year.