Question 1

The 18 faculty members in a college math department range in age from 32 to 68. A stemplot follows:  The median age of the faculty members is:

Accepted Answer

A)  39 years.
B)  45 years.
C)  47.5 years.
D)  49 years.E) A) and B)
F) B) and D)

Question 2

The 18 faculty members in a college math department range in age from 32 to 68. A stemplot follows:  The 1.5 × IQR rule would identify an age as a high outlier if it exceeded:

Accepted Answer

A)  19 years.
B)  28.5 years.
C)  77 years.
D)  86.5 years.E) None of the above
F) All of the above

Question 3

A violin student records the number of hours she spends practicing during each of nine consecutive weeks:  What is the median number of hours spent practicing per week during this period?

Accepted Answer

A)  6.15 hours
B)  5.76 hours
C)  6.20 hours
D)  8.40 hoursE) All of the above
F) A) and D)

Question 4

Which of the following sets of four numbers has the smallest standard deviation?

Accepted Answer

A)  7, 8, 9, 10
B)  5, 5, 5, 6
C)  0, 0, 10, 10
D)  0, 1, 2, 3E) A) and C)
F) A) and B)

Exam 3: Describing Distributions With Numbers

Which of the following sets of four numbers has the smallest standard deviation?

Correct Answer
verified

The 18 faculty members in a college math department range in age from 32 to 68. A stemplot follows: The median age of the faculty members is:

Correct Answer
verified

The 18 faculty members in a college math department range in age from 32 to 68. A stemplot follows: The 1.5 × IQR rule would identify an age as a high outlier if it exceeded:

Correct Answer
verified

A violin student records the number of hours she spends practicing during each of nine consecutive weeks: What is the median number of hours spent practicing per week during this period?

Correct Answer
verified

Exam 3: Describing Distributions With Numbers

Which of the following sets of four numbers has the smallest standard deviation?

Correct AnswerverifiedShow Answer

The 18 faculty members in a college math department range in age from 32 to 68. A stemplot follows: The median age of the faculty members is:

Correct AnswerverifiedShow Answer

The 18 faculty members in a college math department range in age from 32 to 68. A stemplot follows: The 1.5 × IQR rule would identify an age as a high outlier if it exceeded:

Correct AnswerverifiedShow Answer

A violin student records the number of hours she spends practicing during each of nine consecutive weeks: What is the median number of hours spent practicing per week during this period?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified