A researcher hypothesized that score differed between th golfers from the 2021 U.S. Open. At the 0.05 level of sign Golfer Round 1 67 65 2. 1.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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1. Find Test statistic, P value, confidence interval, and conclusion

 

A researcher hypothesized that score differed between the first and the last rounds of major U.S. golf tournaments. Here are the paired data for randomly selected
golfers from the 2021 U.S. Open. At the 0.05 level of significance , is there a difference?
The score of major golf tournaments
Golfer
1
3
4
Round 1
67
65
68
68
68
70
69
70
Round 2
68
70
69
71
72
69
70
70
The hypothesis test:
Ho: Hd =0
%3D
Transcribed Image Text:A researcher hypothesized that score differed between the first and the last rounds of major U.S. golf tournaments. Here are the paired data for randomly selected golfers from the 2021 U.S. Open. At the 0.05 level of significance , is there a difference? The score of major golf tournaments Golfer 1 3 4 Round 1 67 65 68 68 68 70 69 70 Round 2 68 70 69 71 72 69 70 70 The hypothesis test: Ho: Hd =0 %3D
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