Statistics Test
For a given set of returns data, converting the data from returns, to returns measured in percent will result in a sample mean and sample standard deviation that is 100 times larger.
True
False
If a histogram has a long right tail and short left tail, the median will be above the mean.
True
False
If the sample covariance is near 1 then there must be a very strong positive relationship between the two variables.
True
False
For any continuous random variable X, Pr(μ - σ< X < μ + σ) = .68.
True
False
If two random variables X and Y are independent then the correlation must be zero.
True
False
Standardized values from a data set obtained by subtracting the mean and dividing by the standard deviation that are larger than three are always very rare events.
True
False
If X and Y are identically distributed random variables, they have the same mean and variance.
True
False
Given the dataset: 1, 3, 2, 3, 5 what is the sample average?
3
2
2.5
2.8
None of the above
Given the dataset: 1, 3, 2, 3, 5 what is the sample variance?
2.1
2.2
2.3
4
None of the above
The probability that it will take more than 2 visits?
0.8
0.2
0.55
1
None of the above
Given that it takes more than one visit, what is the probability that it will take 4 visits?
0.05
0.3352
0.3751
0.125
None of the above
Which is true:
A. The correlation is about 0.7 and the point (*) has a positive residual.
A. The correlation is about 0.7 and the point (*) has a negative residual.
The correlation is about -0.7 and the point (*) has a positive residual
The correlation is about -0.7 and the point (*) has a negative residual.
None of the above.
{"name":"Statistics Test", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"For a given set of returns data, converting the data from returns, to returns measured in percent will result in a sample mean and sample standard deviation that is 100 times larger., If a histogram has a long right tail and short left tail, the median will be above the mean., If the sample covariance is near 1 then there must be a very strong positive relationship between the two variables.","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}
More Quizzes
Simple Present Tense, Past Tense and Progressive Tense Quiz
158143
Elements of Drama
158744
Biometric Verification Quiz
15876
Pokemon Monikers
15876
Proper Hand Hygiene QUiz
423
HLTV bait detector level test
147409
The Hobbit
25125
Explorando la Música
136169
Big or Small Tgirls Edition
1052721
Toplota in Temperatura Quiz
136184
First year Hogwarts Examinations
136106
Which Hexmore House will you get sorted into?
158117