The sample of 100 house sales we looked at in Exercise 63 also listed whether the home was new construction or not. Find and interpret a 95% confidence interval for how much more an agent can expect to sell a new home for. (From technology, df = 197.8.) Here are the summaries and box plots of the Sale Prices:

Transcribed Image Text:

Old Construction 100 New Construction 100 y $201,707.50 y $267,878.10 s $96,116.88 $93,302.18 Sale Prices ($1000) o O