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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 13 22 12 27 26 20 11 9 10 19 13 12 18 11 14 13 18 7 16 21 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. O Ho H₁ =μ₂ = Mzi H₁: All three means are different. Ho: H1 H2 H3i H₁: At least two means are equal. O Ho H1 H2 H3i H₁: Exactly two 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 13 22 12 27 26 20 11 9 10 19 13 12 18 11 14 13 18 7 16 21 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. O Ho H₁ =μ₂ = Mzi H₁: All three means are different. Ho: H1 H2 H3i H₁: At least two means are equal. O Ho H1 H2 H3i H₁: Exactly two means are equal.

MATLAB: An Introduction with Applications
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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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 13 22 12 27 26 20 11 9 10 19 13 12 18 11 14 13 18 7 16 21 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. O Ho H₁ =μ₂ = Mzi H₁: All three means are different. Ho: H1 H2 H3i H₁: At least two means are equal. O Ho H1 H2 H3i H₁: Exactly two means are equal.
Transcribed Image Text: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 13 22 12 27 26 20 11 9 10 19 13 12 18 11 14 13 18 7 16 21 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. O Ho H₁ =μ₂ = Mzi H₁: All three means are different. Ho: H1 H2 H3i H₁: At least two means are equal. O Ho H1 H2 H3i H₁: Exactly two means are equal.
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