Answered: Mean = Standard deviation =…

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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Time in Days to Row Solo Across the Atlantic Ocean

The following gives a sample of eight times, in days, to row solo across the Atlantic Ocean. The times are

40,

87,

78,

106,

67,

70,

153,

81.

Condition gt requires numbers instead of "null" and "0"

(a) Use StatKey or other technology to find the mean and standard deviation of the eight times.

Round your answers to one decimal place.

Mean =

Standard deviation =

Condition gt requires numbers instead of "null" and "0"

(b) Find the z-scores for the longest time and shortest time in the sample.

Round your answers to two decimal places.

z-score for the longest time is .

z-score for the shortest time is .

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