Researchers wish to investigate whether anxiety in children has increased over time. In 1950, the average score on the Child Manifest Anxiety Scale was µ= 15.1. A sample of n = 16 was taken from children today, which produced a mean anxiety score of M= 23.3 with SS= 240.Based on the sample, has there been a significant change in the average level of childhood anxiety since 1950? (Use a 2-tailed test with α= .05)Write a sentence describing the outcome of the hypothesis test as it would appear in a research report.

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Description: Researchers wish to investigate whether anxiety in children has increased over time. In 1950, the average score on the Child Manifest Anxiety Scale was µ= 15.1. A sample of n = 16 was taken from children today, which produced a mean anxiety score o

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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Researchers wish to investigate whether anxiety in children has increased over time. In 1950, the average score on the Child Manifest Anxiety Scale was µ= 15.1. A sample of n = 16 was taken from children today, which produced a mean anxiety score of M= 23.3 with SS= 240.

Based on the sample, has there been a significant change in the average level of childhood anxiety since 1950? (Use a 2-tailed test with α= .05)
Write a sentence describing the outcome of the hypothesis test as it would appear in a research report.

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