8. Two interviewers ranked 14 applicants as follows. Use a rank correlation and a 1% significance level to determine whether there is a signicant correlation between the two interviewers. ' 1 2 3 4 5 u ? 3 10 1 1 1 1 1 2 3 4 WI\" 4 WIIIIIIIIHIIII 3 9. A supermarket manager is keeping track of the arrival of customers at checkout counters to see how many cashiers are needed to handle the flow. In a sample of 500 five-minute time periods, there were 22, ?4, 115, 95, 94, 80 and 2D periods in which zero, one, two, three, four, five or six or more customers, respectively, arrived at a checkout counter. Are these data consistent at the 0.05 level of significance with a Poisson distribution with It =3? 10. The following data are for a sample of 411-3 car drivers who were classified with respect to age and the number of accidents they had during the past three years. Test whether there is any association between number of accidents and the age of car drivers. Age i I or or more --__ 11. The R {it D wing of a company decided to test a new concept in office seating with employees at the company's headquarters facility. Managers took a random sample of the employees and asked for their opinion. A campaign was conducted and asked the same employees were asked again for their opinion. The data is summarized as follows. Aerthecampaign Beforethecamnaign _ Do not vour Analyse the data using McNemar test and write your comments