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1.A study reported that students who play sports get better grades in school than students who do not play sports. Determine which statement below is INCORRECT. A relationship exists between students playing sports and grades. The study was observational and not an experiment. Playing sports will cause students to get better grades in school. **** In the study, individuals were observed and variables measured. 2. Identify the type of sampling method based on the description below. A county school board wants to determine what classes students would like to see added to the current high school curriculum. There are 5,300 high school students in the county. The board decides they would like to collect 50 surveys. Using a list that contains the names of all the high school students in the county, every 106th person on the list is chosen for the sample. SRS **** stratified random sample systematic sample multi-stage sample 3. Does the following study contain bias? Due to an up-coming county election, some candidates want to conduct a poll to determine the opinions of county residents on some of the major issues. Volunteers are placed through-out the county at major intersections during the afternoon rush hour when people are returning home from work. Motorists were then randomly selected for the sample. No, because the sample was selected randomly. Yes, because the sample over-represented people who drive vehicles.**** 4. A drug prevention program conducts a survey to estimate the number of people in the state who use illegal drugs as well as how often and what type. Identify the type of bias that will most likely result. response bias voluntary response bias**** non-response bias wording bias
wait is this math?
yes it is statisics
It seems correct c: