A regional bank issues different types of credit cards. As part of its annual review of the profitability of each type of credit card, the bank randomly samples 36 customers to measure the average quarterly charges per card. A random sample of 36 accounts from one type of credit card shows the accompanying spending per account (rounded to the nearest dollar). Complete parts a through e below. Click the icon to view the data on credit card spending. a. Based on these randomly sampled accounts, what is the best point estimate of the true mean quarterly spending for credit card account holders? (Round to the nearest cent as needed.) Credit Card Spending $3,199 $3,573 $3,715 $2,348 $1,849 $1,912 $2,783 $2,700 $3,295 $3,051 $3,089 $2,470 $2,377 $1,282 $3,074 $3,711 $2,558 $1,560 Enter your a 4 parts $2,431 $2,563 $3,742 $1,901 $3,076 $2,795 $2,747 $2,707 $3,213 $3,115 $3,839 $2,457 $1,909 $2,659 $2,551 $2,584 $2,975 $3,426 remaining