It is thought that the front cover and the nature of the first question on mail surveys influence the response rate. An article tes this theory by experimenting with different cover designs. One cover was plain; the other used a picture of a skydiver. The researchers speculated that the return rate would be lower for the plain cover. Number Sent Number Returned 207 216 Cover Plain Skydiver 104 109 Does this data support the researchers' hypothesis? Test the relevant hypotheses using a = 0.10 by first calculating a P-value. USE SALT State the relevant hypotheses. (Use P₁ for the plain cover and p₂ for the skydiver cover.) Ho: P₁-P₂ = 0 Ha: P₁ P₂ ≤0
It is thought that the front cover and the nature of the first question on mail surveys influence the response rate. An article tes this theory by experimenting with different cover designs. One cover was plain; the other used a picture of a skydiver. The researchers speculated that the return rate would be lower for the plain cover. Number Sent Number Returned 207 216 Cover Plain Skydiver 104 109 Does this data support the researchers' hypothesis? Test the relevant hypotheses using a = 0.10 by first calculating a P-value. USE SALT State the relevant hypotheses. (Use P₁ for the plain cover and p₂ for the skydiver cover.) Ho: P₁-P₂ = 0 Ha: P₁ P₂ ≤0
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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