A survey of 48 people was conducted to compare their self- reported height to their actual height. The difference between reported height and actual height was calculated (D = Reported - Actual). You're testing the claim that the reported heights are greater than their actual heights. From the sample, the mean difference was 0.2, with a standard deviation of 0.54. Calculate the test statistic, rounded to two decimal places. Hint

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A survey of 48 people was conducted to compare their self-
reported height to their actual height. The difference
between reported height and actual height was calculated (D
= Reported - Actual).
You're testing the claim that the reported heights are greater
than their actual heights.
From the sample, the mean difference was 0.2, with a
standard deviation of 0.54.
Calculate the test statistic, rounded to two decimal places.
Hint
Transcribed Image Text:A survey of 48 people was conducted to compare their self- reported height to their actual height. The difference between reported height and actual height was calculated (D = Reported - Actual). You're testing the claim that the reported heights are greater than their actual heights. From the sample, the mean difference was 0.2, with a standard deviation of 0.54. Calculate the test statistic, rounded to two decimal places. Hint
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