e Do Homework-La Tanga Blair-Intermet Explore La Tanga Blar 6/9/18 10:23 AM BA40

Question

e Do Homework-La Tanga Blair-Intermet Explore La Tanga Blar 6/9/18 10:23 AM BA403 SUMMER 2018 Homework: Chapter 6 Score: 0 of 1 pt 6.2.27-T Sav 18of35(17complete) ? HW Score: 33 14%, 11 6 of 35 p Question Help ganic carbon (m)collected from 20 samples of organic soll Assume that the population is normaly The following data represent the concentration of dissolved or r diotributed Complete parts (a) theough (e) on the right 29 80 5 30 4 86 le1030 15 42 8 81 30 91 19 80 27.10 20 46 10.30 8 09 16 51 14.90 15.35 14.00 33 67 9.72 18 30 (a) Find the sample mean The sample mea i Round to two decimal places as neoded) Enter your answer in the answer box and thee cick Check Aer 2 Cooygt 20 Pearson Education F6 F11 F12 Prts

Explanation / Answer

Solution:

The sample mean can be calculated as

Sample mean = (sum of organic carbon)/no. Of samples

Here no. Of sample =20

Sample mean =(15.42+8.81+30.91+19.80+29.80+5.30+14.86+14.86+27.10+20.46+10.30+8.09+16.51+14.90+15.35+14+10.30+33.67+9.72+18.30)/20

=338.46/20

Sample mean =16.923

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