MATH 1280-01 Introduction to Statistics UPDATED ACTUAL Questions and CORRECT Answers

MATH 1280-01 Introduction to Statistics
UPDATED ACTUAL Questions and
CORRECT Answers
What is the relative frequency of direct hits that were category 2 hurricanes?
Select one:
a.0.2637
b.0.7363
c.0.2601

d.Not enough information to calculate. - CORRECT ANSWER - a.0.2637


The relative frequency of direct hits that were AT LEAST a category 3 storm is Answer. (The
numerical answer that you provide should be of the form "0.xxxx", with four digits to the right of
the zero.) - CORRECT ANSWER - 0.337



The relative frequency that flossed 6 times per week is: - CORRECT ANSWER - 0.05



The relative frequency that flossed at least once a week is: - CORRECT ANSWER - 0.55


The sample size is:
Select one:
a.8
b.9
c.72

d.Not enough information to tell. - CORRECT ANSWER - c.72


The frequency of production series where there are 4 malfunctioning products is:
Select one:

, a.57
b.9
c.16

d.Not enough information to calculate. - CORRECT ANSWER - c.16


The frequency of production series where there are less than 7 malfunctioning products is:
Select one:
a.70
b.71
c.72

d.Not enough information to calculate. - CORRECT ANSWER - a.70



The number of variables is: - CORRECT ANSWER -7


The type of the variable "id" is:
Select one:
a.numeric

b.factor - CORRECT ANSWER - b.factor


The type of the variable "sex" is:
Select one:
a.numeric

b.factor - CORRECT ANSWER - b.factor


The type of the variable "diastolic" is:
Select one:
a.numeric

b.factor - CORRECT ANSWER - a.numeric