Having few data points in a study is not generally a problem ...

[leilurhhh]

Having few data points in a study is not generally a problem because
 
  a. the correlation will not be significant.
  b. the correlation will never be strong.
  c. we can't create a scatterplot.
  d. they can't represent a linear relationship.

Question 2

When we fail to reject null hypothesis, then we know for certain that
 
  a. the mean of the sample equals the mean of the population
  b. the mean of the sample differs from the mean of the population
  c. the mean of the sample is a biased estimator
  d. none of these, since the statistical decision is a probability statement and not a
   statement of certainty

[fatboyy09]

Answer to Question 1

a

Answer to Question 2

d

[leilurhhh]

Excellent

[mjenn52]

TYSM