Example Problems - Show your work! A researcher knows that the weights of 6-year olds are normally distributed with

Example Problems Show your work! A researcher knows that the weights of 6-year olds are normally distributed with = 20 kg but does not know o. She wanted to test the hypothesis that the weights for a specific rural county are lower than the weights for the general population. The weights she measured for a sample of 6-year olds from the rural county were: 18, 19, 20, 11, 13, 16, 14, 18, 15 Perform a complete hypothesis test, at a two tailed .05 a level, including a journal style summary statement. Use SPSS output for step III.