1 Listed below are the amounts of time (in months) that the employees of a resta

Question

1 Listed below are the amounts of time (in months) that the employees of a restaurant have been working restaurant. Find the mean for the given sample data. Round your answer to one more decimal place tha original data values. 1 5 6 8 11 14 17 46 61 90 99 126 143 161 8) The number of vehicles passing through a bank drive -up line during each 15-minute period was recorded. The results are shown below. Find the median number of vehicles going through the line in a 15-minute period. 25 27 25 28 28 25 30 27 35 31 31 29 24 31 25 20 15 27 27 27 9) Human body temperatures have a mean of 98.20° F and a standard deviation of 0.62 F. Sally's temperature ca be described by z =-15. What is her temperature? Round your answer to the nearest hundredth. l uour answer to one more decimal place than the origina

Explanation / Answer

solution=

7) mean = 1+5+6+8+11+14+17+46+61+90+99+126+143+167 / 14 =794 / 14 = 56.71

8) You need to put all the data in order, from lowest to highest. The median is the number exactly in the middle.

15, 20, 24, 25, 25, 25, 25, 27, 27, 27, 27, 27, 28, 28, 29, 30, 31, 31, 31, 35

Ok, so look for the number in the middle. There are 20 numbers total, so the median will be 10 from the left & 10 from the right. Count 10 from the left, and you see it's 27.

9) z = x - xbar/ std

   -1.5 = x - 98.20/ 0.62

   -1.5*0.62 +98.2 = 97.27

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