Answered: Consider two data sets. Set A: n = 5;…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Consider two data sets.

Set A: n = 5; x = 4 Set B: n = 50; x = 4

(a) Suppose the number 14 is included as an additional data value in Set A. Compute

for the new data set. Hint:

x = nx.

To compute

for the new data set, add 14 to

of the original data set and divide by 6. (Round your answer to two decimal places.)

(b) Suppose the number 14 is included as an additional data value in Set B. Compute

for the new data set. (Round your answer to two decimal places.)

(c) Why does the addition of the number 14 to each data set change the mean for Set A more than it does for Set B?

Set B has a smaller number of data values than set A, so to find the mean of B we divide the sum of the values by a larger value than for A.Set B has a larger number of data values than set A, so to find the mean of B we divide the sum of the values by a larger value than for A. Set B has a smaller number of data values than set A, so to find the mean of B we divide the sum of the values by a smaller value than for A.Set B has a larger number of data values than set A, so to find the mean of B we divide the sum of the values by a smaller value than for A.

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