Statistical studies in which researchers control variables of ...

[Pineappleeh]

Statistical studies in which researchers control variables of interest are _____ studies.
 a. experimental
  b. control observational
  c. non-experimental
  d. observational

Question 2

In point estimation
 a. data from the population is used to estimate the population parameter.
   b. data from the sample is used to estimate the population parameter.
   c. data from the sample is used to estimate the sample statistic.
   d. the mean of the population equals the mean of the sample.

[voltaire123]

Answer to Question 1

a

Answer to Question 2

b

[Pineappleeh]

Thanks for the timely response, appreciate it

[juliaf]

Excellent