0
True or False The distribution whose five-number summary is 3.8 56.3 72.4 94.3 151.4 has at least one outlier?
Add your answer:
Earn +20 pts
True or False A sampling distribution is a probability distribution for a statistic?
The statement is true that a sampling distribution is a probability distribution for a statistic.
Is the mean almost alway sufficient in portraying the typical case in a distribution?
false
True or False are the mean median and mode all equal for a normal distribution?
True. You can find many references including wikipedia on the Normal distribution on the internet.
Another name for the mean of a probability distribution is its expected value true or false?
Yes, it is true.
A distribution is symmetrical if the tails on both ends of the density curve that represents it are close to identical?
false
Is an outler a false data point?
No because an outlier is an extreme data point that can almost be ignored.
The F-distribution is symetrical around mean zero True or False?
The F-distribution is either zero or positive, so there are no negative values for F. This feature of the F-distribution is similar to the chi-square distribution. The F-distribution is skewed to the right. Thus this probability distribution is nonsymmetrical.
True or False A sampling distribution is a probability distribution for a statistic?
The statement is true that a sampling distribution is a probability distribution for a statistic.
A grouped frequency distribution is used when the range of data values is relatively small. True or false?
False. When the range is large you would use a grouped frequency distribution.
Why wouldn't you throw out data points that appeared to be anomalous?
You are only entitled to abandon outlier measurements when you have a good reason for believing them to be false.
Is this qeustion true or false the movement of the continents has had little impact on the distribution of species?
false
Is Accumulated Depreciation closed to the Income Summary account?
false
Is it true or false A cover letter should be a summary of your resume?
True. A cover letter should be a summary of your resume.
How the symmetric distribution is always normal?
The statement is false. The binomial distribution (discrete) or uniform distribution (discrete or continuous) are symmetrical but they are not normal. There are others.
Is the most obvious sigh of cluster distribution in termites?
false
Windows xp can be installed with only the distribution CD if the computer's hardware is properly configured True or false?
False
The histogram of a sample should have a distribution shape that is skewed. Is this true or false?
False. It can be skewed to the left or right or be symmetrical.
