A hospital has noted that, on average, there are 35 emergency room visits per month in which a child is the patient. The average number of visits is an example of _____.
a. statistical inference.
b. a sample.
c. a descriptive statistic.
d. a population.
Answer: c. a descriptive statistic.
You might also like to view...
Solve the absolute value equation.|8y - 8| = -5
A. 
B. ?
C. 
D. 
The pair of figures is similar. Find the missing side n. Round to the nearest tenth when necessary.
A. n = 0.4 yd B. n = 32.7 yd C. n = 6 yd D. n = 1.5 yd
Solve the formula for the indicated letter.
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: all real numbers range: {y|-1 ? y ? 1} intercepts: (-?, 0), (0, 0), (?, 0) symmetry: origin B. function domain: {x|-? ? x ? ?} range: {y|-1 ? y ? 1} intercepts: (-?, 0), (0, 0), (?, 0) symmetry: origin C. function domain: {x|-1 ? x ? 1} range: {y|-? ? y ? ?} intercepts: (-?, 0), (0, 0), (?, 0) symmetry: none D. not a function