Scenario 1: On Saturday, Kira stood outside the bowling alley from the time it opened until the time it closed. She asked the age of every 20th person entering the bowling alley for the whole day.

Data Set 1: 69, 10, 12, 11, 12, 1, 12, 13, 12, 16, 5, 35, 12, 36, 64, 10

1. Is the data taken from this bowling alley a random sample? Why or why not? Give as many details as possible.

Scenario 2: Two days later, on Monday evening, Kira went back to the bowling ally and asked the age of every 13th person entering the bowling alley.

Data Set 2: 25, 45, 56, 29, 65, 59, 62, 47, 36, 29, 55, 51, 37

2. What overlap exists between Data set 1 and 2?

1 answer

1. It's a random sample of people at a bowling alley on a Saturday.
2. The overlap is the location -- the bowling alley.