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researcher wants to know how a video intervention changes COVID vaccine intentions among women. Ten women are randomly assigned to watch a video about COVID vaccines, while another ten are assigned to serve as a control. COVID vaccine intentions are assessed on a scale of 1 to 10, with higher scores indicating greater intent. The video intervention group had a mean score of 8.60 (Ŝ = 1.45), while the control group had a mean score of 6.00 (Ŝ = 2.25).  Assume an alpha of .05. First, which test would you be doing?  Group of answer choices A. Independent Groups t-test B. Correlated Groups t-test C. One-Sample Z-Test D. One-Sample T-Test What is the null and alternat hypothesis ?

researcher wants to know how a video intervention changes COVID vaccine intentions among women. Ten women are randomly assigned to watch a video about COVID vaccines, while another ten are assigned to serve as a control. COVID vaccine intentions are assessed on a scale of 1 to 10, with higher scores indicating greater intent. The video intervention group had a mean score of 8.60 (Ŝ = 1.45), while the control group had a mean score of 6.00 (Ŝ = 2.25).  Assume an alpha of .05. First, which test would you be doing?  Group of answer choices A. Independent Groups t-test B. Correlated Groups t-test C. One-Sample Z-Test D. One-Sample T-Test What is the null and alternat hypothesis ?

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
Section10.3: Measures Of Spread
Problem 1GP
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A researcher wants to know how a video intervention changes COVID vaccine intentions among women. Ten women are randomly assigned to watch a video about COVID vaccines, while another ten are assigned to serve as a control. COVID vaccine intentions are assessed on a scale of 1 to 10, with higher scores indicating greater intent. The video intervention group had a mean score of 8.60 (Ŝ = 1.45), while the control group had a mean score of 6.00 (Ŝ = 2.25).  Assume an alpha of .05.

First, which test would you be doing? 

Group of answer choices
A. Independent Groups t-test
B. Correlated Groups t-test
C. One-Sample Z-Test
D. One-Sample T-Test
What is the null and alternat hypothesis ?
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