Home Sweet Home: using confidence intervals to analyse and compare home prices

Part A: Organizing the Data

  1. Download the Mount Pleasent Ral Estate data set in chapter 9:
    https://www.hawkeslearning.com/statistics/dbs2/datasets.html
  2. for the variable List price, calculate the sample mean, the sample standard deviation, and the sample size for the three different subdivisions.(Carolina Park, Dunes West, and Park West) create a table to present the requested statistics in an organized manner. round to the nearest dollar for the sample standard deviation and the mean.

part b: creating the confidence intervals

  1. based on the data set and the information you have, determine which confidence interval you should use, a z or a t interval.
  2. find the critical value for a 95% confidence level for each subdivision for the variable list price. State your critical values.
  3. construct an interval to estimate the true average list price for each subdivision with 95% confidence.
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