Male and female populations of humpback whales under 80 years old are represented by age in the table below, Complete parts (a) through (d). (a) Approximate the population mean and standard deviation of age for males. H= years (Round to two decimal places as needed.) years Age Males Females (Round to two decimal places as needed.) 0-9 12 10-19 14 (b) Approximate the population mean and standard deviation of age for females. 20-29 13 12 u= years 30-39 15 16 (Round to two decimal places as needed.) 40-49 21 24 50-59 25 23 years (Round to two decimal places as needed.) 60-69 16 19 70-79 12 15 (c) Which gender has the higher mean age? have the higher mean age.
Male and female populations of humpback whales under 80 years old are represented by age in the table below, Complete parts (a) through (d). (a) Approximate the population mean and standard deviation of age for males. H= years (Round to two decimal places as needed.) years Age Males Females (Round to two decimal places as needed.) 0-9 12 10-19 14 (b) Approximate the population mean and standard deviation of age for females. 20-29 13 12 u= years 30-39 15 16 (Round to two decimal places as needed.) 40-49 21 24 50-59 25 23 years (Round to two decimal places as needed.) 60-69 16 19 70-79 12 15 (c) Which gender has the higher mean age? have the higher mean age.
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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Male and female populations of
humpback whales
under 80 years old are represented by age in the table below. Complete parts (a) through (d). |
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Transcribed Image Text:Male and female populations of
humpback whales under 80 years old are
represented by age in the table below.
Complete parts (a) through (d).
(a) Approximate the population mean and standard deviation of age for males.
H = years
(Round to two decimal places as needed.)
|years
Age
Males
Females
(Round to two decimal places as needed.)
0-9
12
7
10-19
14
8
(b) Approximate the population mean and standard deviation of age for females.
20-29
13
12
years
30-39
15
16
(Round to two decimal places as needed.)
40-49
21
24
50-59
25
23
O =
years
60-69
16
19
(Round to two decimal places as needed.)
70-79
12
15
(c) Which gender has the higher mean age?
have the higher mean age.
(d) Which gender has the higher dispersion in age?
have the greater dispersion.
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