# of Hurricanes from 1850-1920 year,#hurricanes. 1850,2 1860,1 1870,1 1880,4 1890,4 1900,2 1910,6 1920,8 Mean: 3.500 Standard Deviation: 2.507 # of Hurricanes from 1930-2000 year,hurricanes. 1930,16 1940,9 1950,15 1960,14 1970,8 1980,10 1990,14 2000,23 Mean: 13.625 Standard Deviation: 4.809 1. Calculate the Z score for the difference of the means.
# of Hurricanes from 1850-1920 year,#hurricanes. 1850,2 1860,1 1870,1 1880,4 1890,4 1900,2 1910,6 1920,8 Mean: 3.500 Standard Deviation: 2.507 # of Hurricanes from 1930-2000 year,hurricanes. 1930,16 1940,9 1950,15 1960,14 1970,8 1980,10 1990,14 2000,23 Mean: 13.625 Standard Deviation: 4.809 1. Calculate the Z score for the difference of the means.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 2GP
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# of Hurricanes from 1850-1920
year,#hurricanes.
1850,2
1860,1
1870,1
1880,4
1890,4
1900,2
1910,6
1920,8
Standard Deviation: 2.507
# of Hurricanes from 1930-2000
year,hurricanes.
1930,16
1940,9
1950,15
1960,14
1970,8
1980,10
1990,14
2000,23
Mean: 13.625
Standard Deviation: 4.809
1. Calculate the Z score for the difference of the means.
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