What data collecting method was used? Ray works for a clothi…
What data collecting method was used? Ray works for a clothing company and needs to compare the amount of money that people identifying as “female” spend on clothing to the amount of money that people identifying as “male” spend on clothing. Ray collects random sample data from each group in order to compare.
Read DetailsWhat data collecting method was used? Mike works for the U.S…
What data collecting method was used? Mike works for the U.S. government and needs to take a sample of people in the U.S. He has a computer randomly select social security numbers and then collects data from each person whose social security number was picked.
Read DetailsFor the following example, select the type of bias that is b…
For the following example, select the type of bias that is being described in the data. (There is only one correct answer.) A politician wants to know what percent of people in her state agree with her opinion on health care reform. She hires a statistics company to take a random sample of individual people in her state and collect data. She tells the company to ask the following question: “Would you be willing to vote for my health care plan?” When she received the data, she found that many people refused to answer at all.
Read DetailsDetermine whether this study proves cause and effect. A grou…
Determine whether this study proves cause and effect. A group of scientists want to determine if age is related to getting Covid-19. They collect a random sample of data from people across the world recording their age and how many times they have had Covid-19?Statistical analysis indicated that there is a strong correlation between age and the number of times a person has had covid-19.
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