Question

#6 suppose you want to survey president trump’s approval rating among registered voters in aston, pa. so, you decide to collect a random sample from all voters in aston. which source below would most likely give you an unbiased sample? (a) students at neumann university (b) faculty at neumann university (c) alumni of neumann university (d) aston residents who are currently registered to vote (e) none of the above #7 consider this claim: “the average age of all voters in the u.s.a. is 55 years.” is this claim an example of descriptive statistics or inferential statistics? (a)descriptive statistics (b)inferential statistics (c)none of the above #8 consider this claim: “the odds of winning the pennsylvania powerball lottery jackpot are one chance in 26,000,000.” is this claim an example of descriptive statistics or inferential statistics? (a)descriptive statistics (b)inferential statistics (c)none of the above

Explanation:

#6

To get an unbiased sample of registered - voters' approval rating in Aston, PA, the sample should consist of registered voters in Aston. Options A - C are groups that may not be representative of all registered voters in Aston. Option D is the correct source as it is the group of Aston residents who are registered to vote.

#7

The claim about the average age of all voters in the U.S.A. is an inference since it is likely based on a sample and is making a statement about the entire population of voters. Inferential statistics makes predictions or generalizations about a population based on sample data.

#8

The odds of winning the Pennsylvania Powerball Lottery are a known fact based on the structure of the lottery. It is a descriptive statistic as it describes a characteristic of the lottery system.

Answer:

#6

D. Aston residents who are currently registered to vote

#7

B. Inferential statistics

#8

A. Descriptive statistics