Suppose you are told that the average return on investment for a ...

[Beheh]

Suppose you are told that the average return on investment for a particular class of investments was 7.8 with a standard deviation of 2.3. Furthermore, the histogram of the distribution of returns is approximately bell-shaped.
 
  We would expect that 95 percent of all of these investments had a return between what two values?A) 5.5 and 10.1
  B) 0 and 15
  C) 3.2 and 12.4
  D) 0.9 and 14.7

Question 2

You asked ten of your classmates about their weight. On the basis of this information, you stated that the average weight of all students in your university or college is 142.6 pounds. This is an example of:
 
  A) descriptive statistics.
  B) inferential statistics.
  C) parameter.
  D) population.

[Toya9913]

Answer to Question 1

C

Answer to Question 2

B

[Beheh]

Thank you

[Toya9913]

No problemo