An online weight loss survey was conducted for 32 participants and below are responses recorded (in table below ) .

Please can you help develop confidence intervals related to the interval and ratio-level data you collected with all steps in excel

1. What is the best estimate of the population mean
2. Develop a 95% confidence interval for the population mean. Develop a 90% confidence interval for the population mean. Develop a 98% confidence interval for the population mean.
3. Interpret the confidence interval.

Age Group	What is your goal of joining this one month program(responses)	Develop a 95% confidence interval	Develop a 90% confidence interval	Develop a 98% confidence interval
20-30	6
31-40	11
41-50	15
Total	32