for the average age, form a 95% confidence interval that includes: distribution i should use, critical value, error bound lower bound upper bound. I DONT KNOW HOW TO DO THIS. PLEASE HELP THANKYOU

Age Gender For the following questions, use only the "age" column: Points Age Frequency Distribution: Class Width Class Limits Relative Cumulative Low High Midpoint Freq. Frequency Relative Freq LL Limits 22.5 0.3043 0.3043 Freq. LD N 31.5 0.2609 0.5652 Mid. N N N N H 40.5 0.2174 0.7826 49.5 0.0435 0.8261 58.5 0.1739 1.0000 Mean 35.35 *Round to two decimals LL Median 31 *Round to one decimal N NN NN Sample Standard deviation: 12.80 *Round to two decimals 24 *Round to one decimal 44 *Round to one decimal LL Ogive: Ogive: mm Polygon NN Relative Frequency Ogive for Student Age LL LL 1.2000 LL Total