Question 1

For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,033; 5,652; 6,407; 7,201; 8,719; 11,154; 15,121. What is the annual arithmetic mean number of degrees awarded?

Accepted Answer

A)  About 12,240 
B)  About 8,327 
C)  About 6,217 
D)  About 15,962

Question 2

A survey item asked students to indicate their class in college: freshman, sophomore, junior, or senior. Which measure(s) of central location would be appropriate for the data generated by that questionnaire item?

Accepted Answer

A)  Mean and median 
B)  Mean and mode 
C)  Mode and median 
D)  Mode only

Question 3

Chebyshev's theorem is valid for any ________.

Accepted Answer

The answer of Chebyshev's theorem is valid for any ________....

Question 4

Cook County public safety monitors the number of "driving under the influence" arrests and is interested in the distribution of arrests in the month of December over the last five years. The data are shown next.  What is the standard deviation?

Accepted Answer

The answer of Cook County public safety monitors the number...

Exam 3: Describing Data: Numerical Measures

For the most recent seven years, the U.S. Department of Education reported the following number of bachelor's degrees awarded in computer science: 4,033; 5,652; 6,407; 7,201; 8,719; 11,154; 15,121. What is the annual arithmetic mean number of degrees awarded?

A survey item asked students to indicate their class in college: freshman, sophomore, junior, or senior. Which measure(s) of central location would be appropriate for the data generated by that questionnaire item?

Chebyshev's theorem is valid for any ________.

Cook County public safety monitors the number of "driving under the influence" arrests and is interested in the distribution of arrests in the month of December over the last five years. The data are shown next. What is the standard deviation?