Test HO: u = 295. HA: H + 295
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:Question ia
The Lawnpoke Golf Association (LGA) has established rules that manufacturers of
golf equipment must meet for their products to be acceptable for LGA events.
BatOutaHell Balls uses a proprietary process to produce balls with a mean distances
of 295 yards. BatOutaHell is concerned that if the mean distance falls below 295
yards, the word will get out and sales will sag. Further, if the mean distance exceeds
295 yards, their balls may be rejected by LGA. Measurements of the distances are
recorded in DATA. At x = 0.05, test the no action hypothesis that the balls have a
Yards
293
mean distance of 295 yards.
275
The test statistic of 1.908 is greater than the critical value of 1.734, therefore
HO is rejected. It is reasonable to assume that the distance is not 295 yards.
280
290
273
The test statistic is 3.003 and the critical value is 1.734, therefore the test
306
statistic is greater than the critical value of 1.734 and the null hypothesis is
rejected. The distance is not 295 yards.
287
301
309
The test statistic is 1.297 and the critical value is 1.734, therefore the test
statistics is less than the critical value and the null hypothesis is not rejected.
The distance is about 295 yards.
285
274
282
The test statistics of 2.238 is greater than the critical value of 1.734, therefore
HO is rejected. It is reasonable to assume that the distance is not 295 yards.
294
283
304
297
Hide hint for Question 12
294
290
Test HO: u = 295.
283
HA: µ + 295
Test HO-m
0-MeaN
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