Allison Jon, the manager of an 800-number reservation service for a nationwide chain of luxury hotels, is concerned about the productivity of her operation. Analysis of past data shows that it should take an average of four minutes to properly process a reservation. To setup a control chart for reservation service time, Allison records the time it takes to complete the reservation. She randomly samples 5 reservations every day for 30 days. Based on the background information above and the data file provided in the previous step, which chart or charts would be appropriate to monitor this process

answer: i don't understand it

step-by-step explanation: sorry

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

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step-by-step explanation: easy math

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock