QUESTION 1:

Consider the following data: 55, 53, 64, 67, 62, 59, 52, 57, 57, 66, 66, 59, 69, 53, 55, 69, 66, 61, 59, 57, 67, 57, 69, 60, 50. If the first class interval is 50-54:

A) What is the Class Width of each class?

B) What is the Upper Class Limit of the fourth class?

C) What is the Upper Class Limit of the first class?

D)What is the frequency of the third class?

E) What is the Cumulative Frequency of the first class?

QUESTION TWO:

A County level survey in the state of Florida is conducted in a small county to identify what is the hourly pay employees receive at their work. Few responses are as follows: $4, 3, 7, 8.5, 7, 9, 10, 10, 12, 11, 14, 11, 12, 16, 16, 15, 17, 15, and $17 per hour.

A) The First Quartile value, Q1, of this data set is:

B) The Second Quartile value, Q2, of this data set is:

C) The Third Quartile value, Q3, of this data set is:

D) The Inter Quartile Range, IQR value, of this data set is:

E) The interval for outlier detection using the Quartile information for this data set is: