summarized below in thousands. 1992: mean = 13,126; stdev = 675.3; n = 20 2012: mean = 14,197; stdev = 676.8; n = 23 Is there a difference between the number of self-employed women (in thousands) for the years 1992 and 2012? Use a significance level of 0.01. hypothesis test is needed
summarized below in thousands. 1992: mean = 13,126; stdev = 675.3; n = 20 2012: mean = 14,197; stdev = 676.8; n = 23 Is there a difference between the number of self-employed women (in thousands) for the years 1992 and 2012? Use a significance level of 0.01. hypothesis test is needed
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 13PPS
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From 1992 to 2012 there was an increase in the number of women in the United States who were self-employed. The data are summarized below in thousands.
1992: mean = 13,126; stdev = 675.3; n = 20
2012: mean = 14,197; stdev = 676.8; n = 23
Is there a difference between the number of self-employed women (in thousands) for the years 1992 and 2012? Use a significance level of 0.01.
hypothesis test is needed
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