A popular theory is that presidential candidates have an advantage if they are taller than their main opponents. Listed are heights (in centimeters) of randomly selected presidents along with the heights of their main opponents. Complete parts (a) and (b) below. Height (cm) of President 180 186 176 188 190 172 Height (cm) of Main Opponent 168 175 164 178 191 179 C a. Use the sample data with a 0.01 significance level to test the claim that for the population of heights for presidents and their main opponents, the differences have a mean greater than 0 cm.
A popular theory is that presidential candidates have an advantage if they are taller than their main opponents. Listed are heights (in centimeters) of randomly selected presidents along with the heights of their main opponents. Complete parts (a) and (b) below. Height (cm) of President 180 186 176 188 190 172 Height (cm) of Main Opponent 168 175 164 178 191 179 C a. Use the sample data with a 0.01 significance level to test the claim that for the population of heights for presidents and their main opponents, the differences have a mean greater than 0 cm.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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Since P-value is greater than, less than or equal to, the signifance level, reject or fail to reject the null hypothesis. There is or is not sufficient to support the claim that presidents tends to be taller than their opponents.
Since the confidence interval contains zero, only positive numbers, or only negative numbers | fail to reject or reject the null hypothesis.
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