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A Columnist for the LA Times Is Working to Meet

question 34

Essay

A columnist for the LA Times is working to meet a deadline on a story about commuting in Los Angeles. She wants to include information about the current price of gasoline in the Los Angeles metro area, but her source person for this type of information has already gone home for the day. So she decides to take her own sample as she drives home, writing down the prices she observes as she makes her way from downtown to her neighborhood in the suburbs. Below is the data sample she obtains (units are $/gallon). A columnist for the LA Times is working to meet a deadline on a story about commuting in Los Angeles. She wants to include information about the current price of gasoline in the Los Angeles metro area, but her source person for this type of information has already gone home for the day. So she decides to take her own sample as she drives home, writing down the prices she observes as she makes her way from downtown to her neighborhood in the suburbs. Below is the data sample she obtains (units are $/gallon).   -(A) Do you think she has obtained a true random sample? ​ (B) What average price could she report, based on the above sample? ​ (C) What average price range could she report, based on the above sample? ​ (D) Do you see any issues with reporting the range calculated for (C)?
-(A) Do you think she has obtained a true random sample?

(B) What average price could she report, based on the above sample?

(C) What average price range could she report, based on the above sample?

(D) Do you see any issues with reporting the range calculated for (C)?


Definitions:

Binomial Experiment

An experiment or trial that leads to two possible outcomes, often termed success and failure, and follows a binomial distribution.

Identical Trials

Trials in a probability experiment that share the same conditions and possible outcomes.

Success

Achieving a desired outcome or reaching a predefined criterion of performance.

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