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.

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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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