Question

In a vertical boxplot if the middle horizontal line is above the center of the box, the data is:

a) symmetric b) right skewed c) left skewed d) both right and left skewed

For any given dataset:

a) mean is always greater than the median b) mean is always smaller than the median

c) mean is equal to the median d) can’t tell

If the data is in the form of a frequency table, it is best described using a:

a) histogram b) pie-chart

c) stem and leaf plot d) boxplot

In rating the service provided by a restaurant server, the following responses are possible: excellent, above average, average, below average, and poor. The responses are coded from 1 to 5 with 5 being excellent. The level of measurement this scale represents is:

a) nominal b) ratio

c) interval d) ordinal

Answer 1

In a vertical boxplot, if the middle horizontal line is above the center of the box, the data is left-skewed

Answer:c) left-skewed

For any given dataset:

Here it is not possible to tell with the given information only

Answer:d) can’t tell

If the data is in the form of a frequency table, it is best described using a histogram

Answer:a) histogram

In rating the service provided by a restaurant server, the following responses are possible: excellent, above average, average, below average, and poor. The responses are coded from 1 to 5 with 5 being excellent. The level of measurement this scale represents is ordinal

Answer:d) ordinal

​Please give thumbs up if you like the answer.