You are a sales manager for a grocery store, and you want to see if the introduction of a new sales promotion will increase the sales in your store. To do so, you decided to create an experiment by giving a small sample of customers the promotion before expanding it to a larger customer base. You gave 12 people the promotion, and also observed the sales of 17 people who did not get the promotion as a control group. You found those who received the promotion to have an average monthly sales of $454.81, with a sample standard deviation of $46.79. You found those who did not receive the promotion had an average monthly sales of $387.23, with a sample standard deviation of $70.06. Suppose you want to create a confidence interval for promotion no promotion. What is the standard error of the difference between sample averages in your analysis?

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Connor starts an IRA (Individual Retirement Account) at the age of 26 to save for retirement. He deposits $⁢350 each month. Upon retirement at the age of 65, his retirement savings is $⁢734,088.65. Determine the amount of money Connor deposited over the length of the investment.  Round to the nearest hundred dollars.

17 AG 45 and VA = 40. What is TO? Roumd to the nearest whole number. %3D @ 150 B 75 ©72 D 60 A