Essay
The Next Questions Are Based On The Following Information:
Research and development has designed a ball point pen so that the true average writing lifetime under controlled conditions (involving the use of a writing machine)is at least 12 hours.A random sample of 18 pens is selected,the writing lifetime of each is determined,and a normal probability plot of the resulting data supports the use of a one-sample t test.
-What conclusion is appropriate for the hypotheses H0 : μ = 12 against H1 : μ < 12,,and the test statistic t = -2.5,and α = .05?
Correct Answer:
Verified
-2.5 < -t17,.05 = -1.740,so we would ...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q154: The Next Questions Are Based On The
Q155: Suppose that a t test of H<sub>0</sub>
Q156: The Next Questions Are Based On The
Q157: The Next Questions Are Based On The
Q158: The Next Questions Are Based On The
Q159: The larger the sample size,the greater the
Q160: The Next Questions Are Based On The
Q161: A music industry professional claims that the
Q162: The Next Questions Are Based On The
Q164: Suppose that you want to test H<sub>0</sub>