Which choice lists two statistics that give information only about the location of a dataset and not the spread?
a. IQR and standard deviation
b. Mean and standard deviation
c. Median and range
d. Mean and median
Q. 2What is a reasonable action if an outlier is the value for the only young subject in a sample where all of the other values were for older subjects?
Q. 3What is a reasonable action if an outlier was a mistake made in measuring the object?
Q. 4What is a reasonable action if an outlier is a legitimate data value and represents natural variability for the group and variable measured?
Q. 5Determine whether the following statement is true or false and explain your answer : Since outliers cause complications in statistical analyses, they should be discarded before computing summaries such as the mean and the standard deviation.
Indicate whether the statement is true or false
Q. 6Determine whether the following statement is true or false and explain your answer : Outliers cause complications in all statistical analyses.
Indicate whether the statement is true or false
Q. 7Which of the following could account for an outlier in a dataset?
a. Natural variability in the measurement of interest.
b. Recording the wrong category for an individual's value of a categorical variable.
c. A symmetric distribution for the measurement of interest.
d. Measuring more than one variable for each individual.
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