Population values inferred from statistics of a sample are called______ .
a. independent variables
b. dependent variables
c. hypotheses
d. parameters
Question 2
A professor surveys a sample of 25 students to find how many hours per week they work at a job. She finds the typical number of hours reported is 15. The value of 15 hours is a(n) ______ .
a. parameter
b. inference
c. statistic
d. estimate