In the sign test if h0 is false then preal equals 005

• Notes
• 12
• 93% (170) 158 out of 170 people found this document helpful

This preview shows page 7 - 11 out of 12 pages.

In the sign test, if H0 is false, then Preal ____. equals 0.05 equals 0.50 equals 1 - 0.05 does not equal 0.50
Question 32 1 pts <i>P</i><sub>null</sub> ____.<br> Pnull ____.
never equals 0.50 always equals 0.50 equals 0.50, ³ 0.50, or £ 0.50, depending on H1 Question 33 1 pts "State of Reality" means ____.<br> "State of Reality" means ____.
Question 34 1 pts The higher the power, ____.<br> The higher the power, ____.
Question 35 1 pts "Nonsignificant results" means ____.<br> "Nonsignificant results" means ____. H0 was unable to be rejected the power of the experiment was too low H1 was wrong H1 was right
Question 36 1 pts The sampling distribution of <i>t</i> depends on ____.<br>
Question 37 1 pts The 95% confidence interval arrived at from a particular experiment is 72-79. This means that ____.<br> The 95% confidence interval arrived at from a particular experiment is 72-79. This means that ____.
Question 38 1 pts As the df increases, the <i>t</i> distribution ____.<br>
Question 39 1 pts Skip to question text. Exhibit 13-1
A researcher believes that women today weigh less than in previous years. To investigate this belief, he randomly samples 41 adult women and records their weights. The scores have a mean of 111 lbs. and a standard deviation of 12.4. A local census taken several years ago shows the mean weight of adult women was 115 lbs. Refer to Exhibit 13-1. The obtained value of the appropriate statistic for testing H0 is ____. tobt = -2.07 tobt = +2.07 tobt = -0.32 tobt = +0.32
Question 40 1 pts Skip to question text. Exhibit 13-1 A researcher believes that women today weigh less than in previous years. To investigate this belief, he randomly samples 41 adult women and records their weights. The scores have a mean of 111 lbs. and a standard deviation of 12.4. A local census taken several years ago shows the mean weight of adult women was 115 lbs. Refer to Exhibit 13-1. The df for determining tcrit = ____.
Question 41 1 pts Skip to question text. Exhibit 13-1