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Posted: **Thu Jul 14, 2022 4:48 pm**

: You Must Estimate The Mean Temperature In Degrees Fahrenheit With The Following Sample Temperatures Find The 90 Conf 1 (19.25 KiB) Viewed 35 times

: You Must Estimate The Mean Temperature In Degrees Fahrenheit With The Following Sample Temperatures Find The 90 Conf 2 (28.11 KiB) Viewed 35 times

You must estimate the mean temperature (in degrees Fahrenheit) with the following sample temperatures: Find the 90% confidence interval. Enter your answer as an open-interyal (h.e., parentheses) accurate to 3 decimal places. Assume the data is from a normally distributed population. 90% C.I. =
In a survey, 21 people were asked how much they spent on their child's tast birthday gift. The results were roughly bell-shaped with a mean of $41.4 and standard deviation of $4.8. Construct a confidence interval at a 99% confidence level. Express your answer in the format of x± Error. 15