You are faced with a counting problem in which you must choose k objects from n total objects. The order of choosing does not matter. The counting method you should use is:
Answer(s): B
The combination, or binomial formula, gives the number of ways that k objects can be chosen from n items, without regard to the order of choosing. The formula is n_C_k = (n choose k) = n! / [k! *(n-k)!].
In a statistical regression estimation, the R-square is found to be 39% and the slope coefficient is -0.3. The percentage of variance of the dependent variable not explained equals ________.
The R-square of the regression measures the amount of variance of the dependent variable explained by the independent variable. This is given to be 39%. Hence, the amount not explained equals 100% - 39% = 61%.
A bell-shaped, symmetrical frequency distribution has a mean of 10. If 16% of the observations in the distribution are negative, what is the coefficient of variation of X?
Answer(s): A
The fraction of observations which are less than zero equals 16% i.e. the fraction of observations which are less than (mean - 10) equals 16% (given). Since the distribution is symmetrical about the mean, this implies that the fraction of observations which are more than (mean + 10) also equals 16%. Thus, the fraction of the observations lying between 0 and 20 equals 1-0.16-0.16 = 0.68. For a bellshaped, symmetrical frequency distribution, 68% of the observations lie within one standard deviation of the mean. Hence, the standard deviation of the distribution equals 10. The coefficient of variation is then equal to standard deviation/mean = 10/10 = 1.
A population consists of all the weights of all defensive tackles on Sociable University's football team. They are:Johnson, 204 pounds; Patrick, 215 pounds; Junior, 207 pounds; Kendron, 212 pounds; Nicko, 214 pounds; and Cochran, 208 pounds. What is the population standard deviation (in pounds)?
Population variance = (Sum of squared deviation from the mean)/N. The mean is 210. Population variance = (36 + 25 + 9 + 4 + 16 + 4)/6 = 94/6 = 15.67. Population standard deviation is the square root of the population variance = 3.958.xx-mean(x-mean)^2204-636215525207-3921224214416208-24
Which measure of dispersion disregards the algebraic signs (plus and minus) of each difference between Xand the mean?
Answer(s): C
The mean deviation is the mean of the absolute values of the deviations from the mean.
Share your comments for CFA CFA I exam with other users:
very good materials
thanks for your support.
iam impressed with the quality of these dumps. they questions and answers were easy to understand and the xengine app was very helpful to use.
not bad but you question database from isaca
awesome contents
answer to 134 is casb. while data loss prevention is the goal, in order to implement dlp in cloud applications you need to deploy a casb.
are these brain dumps sufficient enough to go write exam after practicing them? or does one need more material this wont be enough?
i did attend the required cources and i need to be sure that i am ready to take the exam, i would ask you please to share the questions, to be sure that i am fit to proceed with taking the exam.
why only give explanations on some, and not all questions and their respective answers?
refresh db knowledge
interested for sap certification
could you please upload practice questions for scr exam ?
please upload free oracle cloud infrastructure 2023 foundations associate exam braindumps
sweating! they are tricky
i never use these dumps sites but i had to do it for this exam as it is impossible to pass without using these question dumps.
good practice and well sites.
passed my first exam last week and pass the second exam this morning. thank you sir for all the help and these brian dumps.
does anyone who attended exam csa 8.8, can confirm these questions are really coming ? or these are just for practicing?
kindly share the dumps
very nice content
passed today
hi can you please upload questions
please upload quetions
i passed my exam thanks to this braindumps questions. these questions are valid in us and i highly recommend it!
are they truely latest
questions appear contemporary.
good to prepare in this site
very helpful to crack first attempt
please upload this exam
please upload the c_activate22 dump questions with answer
q10 - the answer should be a. if its c, the criteria will meet if either the prospect is not part of the suppression lists or if the job title contains vice president
this was on the exam as of 1211/2023
great for prep
i think in question 7 the first answer should be power bi portal (not power bi)