Suppose a group is interested in determining whether teenagers obtain their drivers licenses at approximately the same average age across the country. Suppose that the following data are randomly collected from five teenagers in each region of the country. The numbers represent the age at which teenagers obtained their drivers licenses. Use a level of significance of 0.10.
Northeast South West Central
16.3 16.9 16.4 16.2
16.1 16.5 16.5 16.6
16.4 16.4 23.0 16.5
16.5 16.2 20.2 16.4
What test are you going to run?
Seventy two inc. a developer of radiology equipment Has stock outstanding as follows 80,000 shares of cumulative preferred 3% Stock $20 per Ann 405,000 shares of $25 per comment during its first four years of operation. The following amounts were distributed as dividends first year 30,000 2nd year 75,000 3rd year 80,000 4th year 100,000.
