Question 1

The sum of the relative frequencies for all classes will always equal

Accepted Answer

A)   the sample size.
B)   100%.
C)   one.
D)   any value larger than one.E) B) and C)
F) None of the above

Question 2

A cumulative frequency distribution is

Accepted Answer

A)   a tabular summary of a set of data showing the relative frequency.
B)   a tabular summary of a set of data showing sums of frequencies.
C)   a tabular summary of a set of data showing the frequency of items in each of several nonoverlapping classes.
D)   a graphical device for presenting categorical data.E) A) and B)
F) B) and C)

Question 3

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school.  ​ Of those students who are planning on going to graduate school, what percentage are majoring in engineering?

Accepted Answer

A)   10.5
B)   28.8
C)   30.0
D)   40.4E) None of the above
F) C) and D)

Question 4

A graphical presentation of the relationship between two quantitative variables is​

Accepted Answer

A)   ​dot plot.
B)   ​histogram.
C)   ​stem-and-leaf display.
D)   ​scatter diagram.E) All of the above
F) A) and B)

Question 5

The relative frequency of a class is computed by

Accepted Answer

A)   dividing the cumulative frequency of the class by the total number of elements in the data set.
B)   dividing n by cumulative frequency of the class.
C)   dividing the frequency of the class by the total number of elements in the data set.
D)   dividing the frequency of the class by the number of classes.E) None of the above
F) A) and C)

Question 6

A frequency distribution is a tabular summary of data showing the _____ of items in several classes.

Accepted Answer

A)   fraction
B)   percentage
C)   relative percentage
D)   numberE) A) and C)
F) A) and B)

Question 7

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school.  ​ Of those students who are majoring in engineering, what percentage plans to go to graduate school?

Accepted Answer

A)   28.77
B)   10.5
C)   40.38
D)   71.23E) A) and B)
F) None of the above

Exam 2: Descriptive Statistics: Tabular and Graphical Displays

A frequency distribution is a tabular summary of data showing the _____ of items in several classes.

Correct Answer
verified

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Of those students who are planning on going to graduate school, what percentage are majoring in engineering?

Correct Answer
verified

The sum of the relative frequencies for all classes will always equal

Correct Answer
verified

The relative frequency of a class is computed by

Correct Answer
verified

A cumulative frequency distribution is

Correct Answer
verified

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Of those students who are majoring in engineering, what percentage plans to go to graduate school?

Correct Answer
verified

A graphical presentation of the relationship between two quantitative variables is

Correct Answer
verified

Exam 2: Descriptive Statistics: Tabular and Graphical Displays

A frequency distribution is a tabular summary of data showing the _____ of items in several classes.

Correct AnswerverifiedShow Answer

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. ​ Of those students who are planning on going to graduate school, what percentage are majoring in engineering?

Correct AnswerverifiedShow Answer

The sum of the relative frequencies for all classes will always equal

Correct AnswerverifiedShow Answer

The relative frequency of a class is computed by

Correct AnswerverifiedShow Answer

A cumulative frequency distribution is

Correct AnswerverifiedShow Answer

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. ​ Of those students who are majoring in engineering, what percentage plans to go to graduate school?

Correct AnswerverifiedShow Answer

A graphical presentation of the relationship between two quantitative variables is​

Correct AnswerverifiedShow Answer

Correct Answer
verified

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Of those students who are planning on going to graduate school, what percentage are majoring in engineering?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Of those students who are majoring in engineering, what percentage plans to go to graduate school?

Correct Answer
verified

A graphical presentation of the relationship between two quantitative variables is

Correct Answer
verified