# The state of Mississippi only has 60% seatbelt use. Suppose you randomly select a resident from Mississippi and note their seatbelt use. Call this random variable Y. How does SD(X) compare with SD(Y)

1 answer

###### Question:

The state of Mississippi only has 60% seatbelt use. Suppose you randomly select a resident from Mississippi and note their seatbelt use. Call this random variable Y. How does SD(X) compare with SD(Y)

## Answers

Answer:Population and SampleStep-by-step explanation:The state of Mississippi is the populationThe randomly selected resident is the samplePopulation Belt Use: 60%Population No-belt Use: 40%Sample (selected resident's) Seat-belt Use = YNote: the question doesn't state or ask whether Y is positive (use of seat belt) or negative (no use of seat belt).How does the standard deviation of X compare with the standard deviation of Y?X is the population standard deviation of seat belt use from the mean value of seat belt use WHILE Y is the sample standard deviation of seat belt use from the mean value (of all persons in the sample) of seat belt use.

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