The average credit card debt for a recent year was $9205. Five years earlier the average credit card debt was $6618. Assume sample sizes of 35 were used and the population standard deviations of both samples were $1928. Find the 95 % confidence interval of the difference in means. a) Which formula will you use for this problem? Za/2 On = E P2 92 < pi – P2 < (P1 – P2) + Za/21 Ib. Id (ê1 – P2) – za/2 n2 n2 O – Za /2 <µ<ã + %a / 2 O (ĩ1 – T2) – ta /2 ° < H4 - H2 < (ã1 – ¤2) + ta/2 ' n2 n2 V n1 O (T1 – T2) – Za/2° < µi – µ2 < (@1 – 2) + za / 2 ° n2 n2 OI - ta/2 < µ < ¤ + toa/2 /n Op - za/2

The average credit card debt for a recent year was $9205. Five years earlier the average credit card debt was $6618. Assume sample sizes of 35 were used and the population standard deviations of both samples were $1928. Find the 95 % confidence interval of the difference in means. a) Which formula will you use for this problem? Za/2 On = E P2 92 < pi – P2 < (P1 – P2) + Za/21 Ib. Id (ê1 – P2) – za/2 n2 n2 O – Za /2 <µ<ã + %a / 2 O (ĩ1 – T2) – ta /2 ° < H4 - H2 < (ã1 – ¤2) + ta/2 ' n2 n2 V n1 O (T1 – T2) – Za/2° < µi – µ2 < (@1 – 2) + za / 2 ° n2 n2 OI - ta/2 < µ < ¤ + toa/2 /n Op - za/2

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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