A new golf ball has been designed to improve driving distance off the tee when compared to their market competitor. To test their new ball, nine golfers hit a drive with the current ball and then hit another drive with the new ball. The distance in yards for each golfer is shown in the following table. Current Golf Ball New Golf Ball (Population 1) (Population 2) 212 215 236 228 250 256 243 264 250 248 235 255 230 239 225 218 220 239 а). Use = 0.05. State the null and alternative hypothesis. b). Use a = 0.05. State the decision rule in terms of the critical value. с). Use a = 0.05. What is your conclusion?
A new golf ball has been designed to improve driving distance off the tee when compared to their market competitor. To test their new ball, nine golfers hit a drive with the current ball and then hit another drive with the new ball. The distance in yards for each golfer is shown in the following table. Current Golf Ball New Golf Ball (Population 1) (Population 2) 212 215 236 228 250 256 243 264 250 248 235 255 230 239 225 218 220 239 а). Use = 0.05. State the null and alternative hypothesis. b). Use a = 0.05. State the decision rule in terms of the critical value. с). Use a = 0.05. What is your conclusion?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A new golf ball has been designed to improve driving distance off the tee when compared to their market
competitor. To test their new ball, nine golfers hit a drive with the current ball and then hit another drive
with the new ball. The distance in yards for each golfer is shown in the following table.
Current Golf Ball
New Golf Ball
(Population 1)
(Population 2)
212
215
236
228
250
256
243
264
250
248
235
255
230
239
225
218
220
239
а).
Use
= 0.05. State the null and alternative hypothesis.
b).
Use g = 0.05. State the decision rule in terms of the critical value.
с).
Use
= 0.05. What is your conclusion?
d).
Determine the 95% confidence interval in mean difference for distance in yards between current
golf ball and new golf ball. Briefly explain what the 95% interval estimate tells you about the new
golf ball.
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