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In a recent year, 32.4% of recorded music sales were full-length CDs, 54.1% digital downloads, 10.5% singles, and the rest a mixture of other formats. A survey of college students and their recent music purchases indicated that out of 135 purchases, 63 were downloads, 48 were full-length CDs, 14 were singles, and the rest fit into the "other" category. At the 0.05 level of significance, is there sufficient evidence to conclude that at least one of the proportions differs from its original value?

In a recent year, 32.4% of recorded music sales were full-length CDs, 54.1% digital downloads, 10.5% singles, and the rest a mixture of other formats. A survey of college students and their recent music purchases indicated that out of 135 purchases, 63 were downloads, 48 were full-length CDs, 14 were singles, and the rest fit into the "other" category. At the 0.05 level of significance, is there sufficient evidence to conclude that at least one of the proportions differs from its original value?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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In a recent year, 32.4% of recorded music sales were full-length CDs, 54.1% digital downloads, 10.5% singles, and the rest a mixture of other formats. A survey of college students and their recent music purchases indicated that out of 135 purchases, 63 were downloads, 48 were full-length CDs, 14 were singles, and the rest fit into the "other" category. At the 0.05 level of significance, is there sufficient evidence to conclude that at least one of the proportions differs from its original value? USE MS EXCEL WITH INSTALLED MEGASTAT ADD-IN a) State what type of nonparametric test is to be used and explain why you chose such State the null hypothesis. b) c) Show how data was placed in Excel. d) Show your results with the p-value boxed in red. e) Show the rankings of your data (if applicable). f) Make a decision and give a conclusion. I WILL UPVOTE
Transcribed Image Text:In a recent year, 32.4% of recorded music sales were full-length CDs, 54.1% digital downloads, 10.5% singles, and the rest a mixture of other formats. A survey of college students and their recent music purchases indicated that out of 135 purchases, 63 were downloads, 48 were full-length CDs, 14 were singles, and the rest fit into the "other" category. At the 0.05 level of significance, is there sufficient evidence to conclude that at least one of the proportions differs from its original value? USE MS EXCEL WITH INSTALLED MEGASTAT ADD-IN a) State what type of nonparametric test is to be used and explain why you chose such State the null hypothesis. b) c) Show how data was placed in Excel. d) Show your results with the p-value boxed in red. e) Show the rankings of your data (if applicable). f) Make a decision and give a conclusion. I WILL UPVOTE
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