The following is an SPSS output showing descriptive statistics of annual income ($000) of a sample of male and female middle-level sales managers in a multi-national company. Group Statistics GENDER N Mean Std. Deviation Std. Error Mean Annual Income Male 50 65.63 18.45 2.61 Female 63.38 50 20.73 2.93 Explain the meaning of the two confidence interval estimates obtained in Question 2 in the context of the data. Answers: We are 95% certain that the annual income of a sample of male and female middle-level sales managers in the target population is between