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Use the following information to answer the question. Studies show that the level of anxiety has increased since the pandemic. The average score before the pandemic was mu equal to 10. A sample of 76 individuals surveyed in the past three months produced M=12.8 and s=6.7. Based on the sample, was there a significant increase in the average anxiety level since the pandemic started at the 5% significance level?

Use the following information to answer the question. Studies show that the level of anxiety has increased since the pandemic. The average score before the pandemic was mu equal to 10. A sample of 76 individuals surveyed in the past three months produced M=12.8 and s=6.7. Based on the sample, was there a significant increase in the average anxiety level since the pandemic started at the 5% significance level?

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
Section10.1: Measures Of Center
Problem 9PPS
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Use the following information to answer the question. Studies show that the level of anxiety has increased since the pandemic. The average score before the pandemic was mu equal to 10. A sample of 76 individuals surveyed in the past three months produced M=12.8 and s=6.7. Based on the sample, was there a significant increase in the average anxiety level since the pandemic started at the 5% significance level? What hypothesis test is this? One-Sample T-Test for Mean Two-Sample T-Test for Mean One-Sample Z-Test for Mean Chi-Square Test for Independence
Transcribed Image Text:Use the following information to answer the question. Studies show that the level of anxiety has increased since the pandemic. The average score before the pandemic was mu equal to 10. A sample of 76 individuals surveyed in the past three months produced M=12.8 and s=6.7. Based on the sample, was there a significant increase in the average anxiety level since the pandemic started at the 5% significance level? What hypothesis test is this? One-Sample T-Test for Mean Two-Sample T-Test for Mean One-Sample Z-Test for Mean Chi-Square Test for Independence
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