Mathematics, 06.05.2020 05:27, decoreyjpaipxv
In an attempt to understand the nation’s opinion on universal healthcare, investigators sponsored an advertisement at the end of a popular morning talk show in the US that asked viewers the following question: "Should everyone have healthcare? Visit our website at popularmorningshow and fill out the survey between 4pm and 6pm Pacific time and we’ll discuss the results on tomorrow’s show."
a. What population are the investigators are trying to sample, and do they obtain a representative sample from this sampling scheme?
b. Specifically, what type of sampling scheme has been used?
c. What type of sampling bias(s) may have occur? Explain.
d. What else could be a source of issue when it comes to this scenario? Explain.
Answers: 2
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If the scale factor between two circles is 2x/5y what is the ratio of their areas?
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Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
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In an attempt to understand the nation’s opinion on universal healthcare, investigators sponsored an...
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