For a given data set, why might a researcher prefer to study ...

[beccaep]

For a given data set, why might a researcher prefer to study organized data rather than the original data? Can you think of any circumstances in which a researcher may prefer to use the original data rather than organized data?
 
  What will be an ideal response?

Question 2

An experiment in which neither the experimental unit nor the researcher in contact with the experimental unit knows which treatment the experimental unit is receiving is called a ________________ .
 
  A) single-blind experiment B) randomized block design
  C) matched-pairs design D) double-blind experiment

[coreycathey]

Answer to Question 1

Answers will vary. Possible answer: If the data set is very large, it may be hard to get a picture of the data from the original data. Organized data summarizes the data and may enable the researcher to see patterns and trends in the data. Since the organized data is only a summary of the data and does not give the exact data values, it may sometimes be preferable to use the original data, for example to find the exact value for the average.

Answer to Question 2

D