### Free Educational Resources

• > . True or False. Justify for full credit. (25 p...
+

# . True or False. Justify for full credit. (25 pts)(a) If all the observations...

##### Rating:
(0)
Author: Minnie Fisher
##### Description:

http://homework.plus/true-or-false-justify-for-full-credit-25-pts-a-if-all-the-observations-in-a-data-set-are-identical-then-the-variance-for-this-data-set-iszero/

. True or False. Justify for full credit. (25 pts)(a) If all the observations in a data set are identical, then the variance for this data set iszero.

1. True or False. Justify for full credit. (25 pts)(a) If all the observations in a data set are identical, then the variance for this data set iszero.(b) If P(A) = 0.4 and P(B) = 0.5, then P(A AND B) = 0.2.(c) The mean is always equal to the median for a normal distribution.(d) A 95% confidence interval is wider than a 90% confidence interval of the sameparameter.(e) In a two-tailed hypothesis testing at significance level α of 0.05, the test statistic iscalculated as 2. If P(X >2) = 0.03, then we have sufficient evidence to reject the nullhypothesis.

(more)
##### Try a College Course Free

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

No credit card required

25 Sophia partners guarantee credit transfer.

226 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 21 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.

Tutorial