QUESTION 13 The following is a frequency distribution. Are the classes correctly

Question

QUESTION 13

The following is a frequency distribution. Are the classes correctly constructed? If no, explain why not (you might have more than one reason).

Class     
123-127     
128-133     
134-140     
141-147     
148-156

QUESTION 14

On Nominal data is appropriate to perform the following statistic(s):

average or average and mode or mean and mode or mode and/or frequency

QUESTION 15

Classify the data as Qualitative or Quantitative
Number of blocks to the subway station.

QUESTION 16

The following is a frequency distribution. Are the classes correctly constructed? If no, explain why not.

Class        
10-15        
15-20        
20-25        
25-30        
30-35

QUESTION 17

By taking a systematic sample, in which we select every 20th shopper arriving at a specific store, we are approximating a random sample of shoppers.

True or false

QUESTION 18

Qualitative data can be:

continuous and discrete

discrete

either continuous or discrete

none of the above

QUESTION 19

Select the best answer.  
The number of absences per year that a student can have is an example of what type of data?

discrete

nominal

continuous

qualitative

QUESTION 19

Select the best answer.  
The number of absences per year that a student can have is an example of what type of data?

discrete

nominal

continuous

qualitative

continuous and discrete

discrete

either continuous or discrete

none of the above

QUESTION 19

Select the best answer.  
The number of absences per year that a student can have is an example of what type of data?

discrete

nominal

continuous

qualitative

QUESTION 19

Select the best answer.  
The number of absences per year that a student can have is an example of what type of data?

discrete

nominal

continuous

qualitative

Explanation / Answer

13. No because the class interval is changing it need to be constant.

Its is 5 in first, from 123 -127, 6 in second 128-133, 7 in third 134-140 this is not correct.

14. No

Nominal is hardly measurement. It refers to quality more than quantity. A nominal level of measurement is simply a matter of distinguishing by name, e.g., 1 = male, 2 = female. Even though we are using the numbers 1 and 2, they do not denote quantity. The binary category of 0 and 1 used for computers is a nominal level of measurement.

15. Quantitative data.

Quantitative data is data expressing a certain quantity, amount or range. Usually, there are measurement units associated with the data, e.g. metre, in the case of the height of a person.Quantitative data is data expressing a certain quantity, amount or range. Usually, there are measurement units associated with the data, e.g. metre, in the case of the height of a person.

16. Yes classes are correctly constructed.

17. True

18. Discrete Data

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