Stat100A1b - Q1 A statistics student found a reference in...

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Q1. A statistics student found a reference in the campus library that contained the median family incomes for all 50 states. She would report her data as being collected using a. a designed experiment. b. observational data. c. a random sample. d. a published source. Q2. The process of using sample statistics to draw conclusions about a population is called Q3. Most analysts focus on the cost of tuition as the way to measure the cost of a college education. But incidentals, such as textbook costs, are rarely considered. A researcher at Drummand University wishes to estimate the textbook costs of first-year students at Drummand. To do so, she monitored the textbook cost of 250 first-year students and found that their average textbook cost was $300 per semester. Identify the variable of interest to the researcher. Q4. A study attempted to estimate the proportion of Florida residents who were willing to spend more tax dollars on protecting the beaches from environmental disasters. Twenty- five hundred Florida residents were surveyed. What type of data collection procedure was most likely used to collect the data for this study?
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