Stat 110 First Term 1429-1430 H Worksheet With Answers - King Abdulaziz University (Page 2 of 3) in pdf

Stat 110 First Term 1429-1430 H Worksheet With Answers - King Abdulaziz University Page 2

6. Based on the following graph, what conclusion could you make comparing how well

students did on their statistics exam as a function of how many hours they spent

preparing for the exam?

A) Hours spent preparing for an exam is a dependent variable.

B) Grades are independent of preparation time.

C) There is no relationship between the number of hours spent preparing for the exam

and the average grade.

D) There is a possible relationship between grades and time spent preparing for the

exam.

7. An advertisement for a truck states that it is 15% more powerful than it's competitor.

This is an example of

A) ambiguous averages

C) detached statistics

B) suspect samples

D) changing the subject

8. Which of the following should not be done when constructing a frequency distribution?

A) use a class width with an even number C) find the range

B) use classes that are mutually exclusive D) select the number of classes desired

9. A Pareto chart does not have which of the following properties?

A) The frequencies are arranged from highest to lowest

B) The frequencies are arranged from lowest to highest

C) It is used to represent categorical data

D) It is a bar chart

Stat 110 First Term 1429-1430 H Worksheet With Answers - King Abdulaziz University Page 2