An IQ test was given to a random sample of 25 Norco College Students. IQ scores are known to have a normal distribution. The sample mean score is 105.2. Scores on this test are known to have a standard deviation of = 10. It is desired to estimate the population mean IQ score of Norco College students. Use = 0.05. Identify observational unit Identify the response variable and label as categorical or quantitative Check requirements for the normal model Identify significance level and confidence level Find the point estimate Find the standard error Find the margin of error Construct confidence interval Interpret confidence interval in non-technical terms