Question

B.Identify each of the following data sets as categorical (C) or numerical (N).
1.Ages of grade 7 students
2.Favourite flavour of ice cream for each of 6th graders
3.Internet browsing hours spent of grade 7 students
4.My favourite Milktea flavors
5.Number of students in each section
​

Answer 1

Answer:

1. N

2. C

3. N

4. C

5. N

Answer 2

1. Ages of grade 7 students : Numerical (N)

2. Favourite flavour of ice cream for each of 6th graders : Categorical (C)

3. Internet browsing hours spent of grade 7 students : Numerical (N)

4. My favourite Milk tea flavors : Categorical (C)

5. Number of students in each section : Numerical (N)

Given :

1. Ages of grade 7 students

2. Favourite flavour of ice cream for each of 6th graders

3. Internet browsing hours spent of grade 7 students

4. My favourite Milk tea flavors

5. Number of students in each section

To find :

Identify each of the above data sets as categorical (C) or numerical (N).

Concept :

A given data is said to be Numerical if every member of the set is a number

A given data is said to be Categorical if every member of the set is a non-numerical

Solution :

Step 1 of 2 :

Write down the given data sets

Here the given data sets are

1. Ages of grade 7 students

2. Favourite flavour of ice cream for each of 6th graders

3. Internet browsing hours spent of grade 7 students

4. My favourite Milk tea flavors

5. Number of students in each section

Step 2 of 2 :

Identify each of the given data sets as categorical (C) or numerical (N).

1. Ages of grade 7 students is Numerical (N)

Explanation : Ages of grade 7 students is like 12 years , 13 years etc. So Ages of grade 7 students take only numerical values. Hence the data set is Numerical (N)

2. Favourite flavour of ice cream for each of 6th graders : Categorical (C)

Explanation : Favourite flavour of ice cream for each of 6th graders is like vanilla , chocolate etc. So Favourite flavour of ice cream for each of 6th graders take non - numerical values. Hence the data set is Categorical (C)

3. Internet browsing hours spent of grade 7 students : Numerical (N)

Explanation : Internet browsing hours spent of grade 7 students is like 1 hour , 2 hours , 3 hours etc. So Internet browsing hours spent of grade 7 students take only numerical values. Hence the data set is Numerical (N)

4. My favourite Milk tea flavors : Categorical (C)

Explanation : Favourite Milk tea flavors can be Strawberry Milk Tea , Black Milk Tea , Mango Milk Tea etc. So Favourite Milk tea flavors take non - numerical values. Hence the data set is Categorical (C)

5. Number of students in each section : Numerical (N)

Explanation : Number of students in each section can be 11 , 20 , 40 , 29 etc. So Number of students in each section can take only numerical values. Hence the data set is Numerical (N)

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