Do people post more on certain social media platforms compared to others? Three of the most popular social media platforms in the United States are Facebook, Twitter, and Instagram. To investigate the activity of users on each platform, a random sample of user data was collected on the number of monthly posts by users in a single month. Facebook Twitter Instagram 11 11 20 14 27 26 22 9 11 8 19 11 10 20 11 14 13 20 7 16 23 USE SALT Shall we reject or not reject the claim that there is no difference in the population mean number of monthly posts amongst the three platforms? Use a 5% level of significance. (a) What is the level of significance? State the null and alternate hypotheses. H₁: All three means are different. Ho H1 H2 H3 H₁: Exactly two means are equal. Ho: H₁ =H2=3i H₁: At least two means are equal. Ho: H1 H2 H3 H₁: Not all the means are equal.

Do people post more on certain social media platforms compared to others? Three of the most popular social media platforms in the United States are Facebook, Twitter, and Instagram. To investigate the activity of users on each platform, a random sample of user data was collected on the number of monthly posts by users in a single month. Facebook Twitter Instagram 11 11 20 14 27 26 22 9 11 8 19 11 10 20 11 14 13 20 7 16 23 USE SALT Shall we reject or not reject the claim that there is no difference in the population mean number of monthly posts amongst the three platforms? Use a 5% level of significance. (a) What is the level of significance? State the null and alternate hypotheses. H₁: All three means are different. Ho H1 H2 H3 H₁: Exactly two means are equal. Ho: H₁ =H2=3i H₁: At least two means are equal. Ho: H1 H2 H3 H₁: Not all the means are equal.

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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