D I Question 8 : 5.5 pts A professional employee in a large corporation receives an average of y = 42.7 e-mails per day. Most of these e-mails are from other employees in the company. Because of the large number of emails, employees nd themselves distracted and are unable to concentrate . when they return to their tasks. In an effort to reduce distraction caused by such interruptions, one company established a priority list that alllemployees were to use before sending an e-mail. One month after the new priority list was put into place, a random sample of 38 employees showed thabthey were receiving an average of )7 = 35.3 e- mails per day. The computer server through which the e-mails are routed showed that a = 19.6. Has the new policy had any effect? Use a 5% level of signicance to test the claim that there has been a change (either way) in the average number of emails received per day per employee. What is the value of the test statistic? '\" 2.327 '" 0.061 "" 0.378 \"' 2.327 F- a i r 0.061