Q. In a survey, 11 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $34 and standard deviation of $3. Construct a confidence interval at a 95% confidence level.

Give your answers as

xME to one decimal place.?

Q. If n=10

n=10 x=32, and s=15, construct a confidence interval at a 98% confidence level. Assume the data came from a normally distributed population.

Give your answers to one decimal place?