Is there evidence to show that there is a difference in the mean overall distance of brands? Use a = 0.-5. Calculate a 95% two-sided confidence interval on the difference in mean overall distance. Round your answer to one decimal place

Is there evidence to show that there is a difference in the mean overall distance of brands? Use a = 0.-5. Calculate a 95% two-sided confidence interval on the difference in mean overall distance. Round your answer to one decimal place

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

Transcribed Image Text:Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. The overall distance traveled by a golf ball is tested by hitting the ball with Iron Byron, a mechanical golfer with a swing that is said to emulate the legendary champion, Byron Nelson. Ten randomly selected balls of two brands are tested and the overall distance measured. Assume that the variances are equal. The data follow: Brand 1: 287 279 287 271 283 271 279 275 263 267 Brand 2: 261 253 260 265 273 281 271 270 263 268 (a) Is there evidence to show that there is a difference in the mean overall distance of brands? Use a = 0.55. %3D (b) Calculate a 95% two-sided confidence interval on the difference in mean overall distance. Round your answer to one decimal place (e.g. 98.7).

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