1. Use appropriate descriptive stat

1. Use appropriate descriptive statistics to summarize the transmission failure data.
2. Develop a 95% confidence interval for the mean number of miles driven until transmission
failure for the population of automobiles with transmission failure. Provide
a managerial interpretation of the interval estimate.
3. Discuss the implication of your statistical findings in terms of the belief that some
owners of the automobiles experienced early transmission failures.
4. How many repair records should be sampled if the research firm wants the population
mean number of miles driven until transmission failure to be estimated with a
margin of error of 5000 miles? Use 95% confidence.
5. What other information would you like to gather to evaluate the transmission failure
problem more fully?