In 2017, Americans spent a record-high $9.1 billion on Halloween-related purchases (the balance website). Sample data sh

[answerhappygod]

In 2017 Americans Spent A Record High 9 1 Billion On Halloween Related Purchases The Balance Website Sample Data Sh 1 (81.08 KiB) Viewed 126 times

In 2017, Americans spent a record-high $9.1 billion on Halloween-related purchases (the balance website). Sample data showing the amount, in dollars, 16 adults spent on a Halloween costume are as follows. 72 65 39 41 16 95 34 29 a. What is the estimate of the population mean amount adults spend on a Halloween costume (to 2 decimals)? $ b. What is the sample standard deviation (to 2 decimals)? $ c. Provide a 95% confidence interval estimate of the population standard deviation for the amount adults spend on a Halloween costume (to 2 decimals). Use Table 11.1. SA 10 31 55 48 <o<$ 26 34 13 64