Consider a server used in information technologies at MIT. on the system
Response times (milliseconds) were recorded for 20 consecutive transactions.

a. Obtain the frequency distribution for these data.
b. Draw the histogram.
c. Write the class limits and class limits for 4 classes.
D. Is the distribution symmetrical? What can be done to make the distribution symmetrical?
e. If 8 new data are added with a mean of 11 and a standard deviation of 5, the mode will be how does the median, the skewness of the distribution, and the histogram change? Please comment.
 

Transcribed Image Text:

5.3 5.0 9.5 10.1 5.8 6.2 5.9 7.2 10.0 12.2 8.5 4.7 11.2 7.3 6.4 12.4 3.9 8.1 9.2 10.5 5.3 5.0 9.5 10.1 5.8 6.2 5.9 7.2 10.0 12.2 8.5 4.7 11.2 7.3 6.4 12.4 3.9 8.1 9.2 10.5