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QNT 275 Week 5 Final Exam

QNT 275 Week 5 Final Exam PLDZ-4036
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QNT 275 Week 5 Final Exam

https://uopcourses.com/category/qnt-275-exam/

 

QNT 275 Week 5 Final Exam Link

https://uopcourses.com/category/qnt-275-exam/

 

 

A quantitative variable is the only type of variable that can

 

have no intermediate values

 

assume numeric values for which arithmetic operations make sense

 

be graphed

 

be used to prepare tables

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
   
   

 

A qualitative variable is the only type of variable that

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  can assume numerical values

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  cannot be graphed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  can assume an uncountable set of values

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  cannot be measured numerically

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the cumulative frequency distribution of the commuting time (in minutes) from home to work    

 

The following table gives the cumulative frequency distribution of the commuting time (in minutes) from home to work for a sample of 400 persons selected from a city.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Time (minutes) f
0 to less than 10 66
0 to less than 20 148
0 to less than 30 220
0 to less than 40 294
0 to less than 50 356
0 to less than 60 400

 

The sample size is:

The percentage of persons who commute for less than 30 minutes, rounded to two decimal places, is:

%

The cumulative relative frequency of the fourth class, rounded to four decimal places, is:

The percentage of persons who commute for 40 or more minutes, rounded to two decimal places, is:

%

The percentage of persons who commute for less than 50 minutes, rounded to two decimal places, is:

%

The number of persons who commute for 20 or more minutes is:

 

 

 

 

 

QNT 275 Week 5 Final Exam https://uopcourses.com/category/qnt-275-exam/ QNT 275 Week 5 Final Exam Link https://uopcourses.com/category/qnt-275-exam/ A quantitative variable is the only type of variable that can have no intermediate v
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