Statistical Analysis Lesson
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From the histogram or ogive of the variable "Pay", the percentage of the sample paid more than $40000 is:
Which of the following chart types would be best to illustrate the frequency of distribution of the variable "Age"?
Which of the following variables is an example of nominal data:
The most appropriate measure of central tendency when you have "outliers" or extreme values in your dataset is:
Mean and mode
Only the mode
Which of the following is an appropriate measure of variability for the variable Gender:
None of the above
The skewness of the variable Experience is:
The kurtosis of the variable Experience is:
Using the mean and the standard deviation for the variable AGE, approximately what value would lie three standard deviations to the right of the mean and therefore be considered an "outlier"?
Based on the Empirical Rule, what proportion of a normally distributed sample lies within two standard deviations of the mean?
For a population comprising 30% males, what is the probabilility of drawing a random sample of 313 and getting more than 94 males? Hint: use the binomial distribution.