Answer:
(0.6613, 8.3387)
Step-by-step explanation:
Let the heights of men be the first population and the heights of women be the second population. Then
We have
,
,
and
,
,
. The pooled
estimate is given by

The 99% confidence interval for the true mean difference between the mean height of the men and the mean height of the women is given by (if the samples are independent)
, i.e.,

where
is the 0.5th quantile of the t distribution with (15+7-2) = 20 degrees of freedom. So
, i.e.,
(0.6613, 8.3387)
Answer:
7
Step-by-step explanation:
(5x6) equals 30, then 5+4-3 equals 6. So divide 30 and 6 and you'll get... actually this is starting to confuse me.
Su = 15 !!!!!!!!!!!!!! chile i hope Im not wrong lol
Answer:
5
Step-by-step explanation:
Assuming the intelligence test had 10 questions, since Terry was average for his age group, his most likely IQ score is 5
About 21.12<span>°C. To convert, you would subtract 32 from 70 and then multiply that number by .5556 (or 5/9)</span>