Question

Which of the following activities are examples of data gathering?

Answer 1

I am rpetty sure that the the following activities which are examples of data gathering are being revealed by option : A. Finding the mean weight of heart-disease patients in a study ,B. Measuring the DCH (diameter chest-high) of 200 trees in a forest and E. Making a pie chart showing the kinds of cars owned by people in a sample of 1000 because there you can clearly see the thst you are gathering data while the rest of option contain already gathered info. 

Answer 2

Answer : Option B) Measuring the DCH (diameter chest-high) of 200 trees in a forest

Option C) Counting the votes in an election to determine the next mayor  and

Option D) Asking 500 telephone respondents what their favorite radio station is

Explanation : The activities which are examples of data gathering are given in option B) C) and D) as they clearly show that they are collecting some kind of the data from their activity.

As in option B - they are collecting the diameter of the 200 trees which is a kind of data gathering.

In option C - Counting of votes is being done which is going to be declared later. So, it is also a kind of data gathering.

And in option D - Collecting the telephone numbers is an obvious example of data gathering. As it is collecting data from the consumers in the form of telephone numbers.