Statistics: Homework #1. Determine whether the data set is a population or a sample. Explain your reasoning. 1. The age of each member of the House of...
Statistics: Homework #1 Determine whether the data set is a population or a sample. Explain your reasoning. 1. The age of each member of the House of Representatives. 2. The height of every fourth person entering an amusement park. 3. The survey of 500 Spectators from ma stadium with 42,000 spectators. Identify the population AND the sample. Then, identify the parameter or statistic describing the population or sample. 4. A survey of 1,000 adults in the United States found that 12% prefer to take their vacation during the winter months. 5. A study of 33,043 infants in italy was conducted to find a link between a heart rhythm abnormality and sudden infant death syndrome. 6. A survey of 1906 households in the United States found that 13% have a high definition television. 7. As of January 2007, 44% of the governors of the 50 states in the United States are Republicans. 8. In a recent study, volunteers who had 8 hours of sleep were three times more likely to answer correctly on a math test than were sleep-deprived participants. a. Identify the sample used in the study. b. What is the sample’s population? c. Which part of the study represents the descriptive branch of statistics? d. Make an inference based on the results of the study.
Statistics: Homework #1 Determine whether the data set is a population or a sample. Explain your reasoning. 1. The age of each member of the House of Representatives. 2. The height of every fourth person entering an amusement park. 3. The survey of 500 Spectators from ma stadium with 42,000 spectators. Identify the population AND the sample. Then, identify the parameter or statistic describing the population or sample. 4. A survey of 1,000 adults in the United States found that 12% prefer to take their vacation during the winter months. 5. A study of 33,043 infants in italy was conducted to find a link between a heart rhythm abnormality and sudden infant death syndrome. 6. A survey of 1906 households in the United States found that 13% have a high definition television. 7. As of January 2007, 44% of the governors of the 50 states in the United States are Republicans. 8. In a recent study, volunteers who had 8 hours of sleep were three times more likely to answer correctly on a math test than were sleep-deprived participants. e. Identify the sample used in the study. f. What is the sample’s population? g. Which part of the study represents the descriptive branch of statistics? h. Make an inference based on the results of the study.
