1.
Everyone at the stadium is eligible for a drawing at the end of the night. If everyone was given a number, and 10 winners are announced, what kind of sample is this?
A.
voluntary response sample
B.
stratified random sample
C.
systematic random sample
D.
simple random sample
Hint
2.
Which of the following would not be a sample from a population set of all of the farms in Nebraska?
A.
One farm is selected in each 20 square mile area of the state
B.
The farms are split into groups based on what they produce, and then 4 are selected from each group.
C.
12 farms are selected from any part of the state.
D.
25 houses with pets are selected from any part of the state.
Hint
3.
Find
A
+
C
.
A.
impossible
B.
C.
D.
Hint
4.
Find
A
–
C
.
A.
B.
impossible
C.
D.
Hint
5.
The least number of children fall in which interval?
A.
0-14 months
B.
cannot be determined
C.
30-44 months
D.
15-29 months
Hint
6.
A histogram is a graph in which the data are organized into equal _______.
A.
bars
B.
elements
C.
intervals
D.
tallies
Hint
7.
Find the median of the data.
A.
42.5
B.
23
C.
19.5
D.
29.5
Hint
8.
Find the lower quartile of the data.
A.
42.5
B.
19.5
C.
2
D.
29.5
Hint
9.
Find the upper quartile of the data.
A.
19
B.
10
C.
13
D.
9.5
Hint
10.
Draw a box-and-whisker plot of the data.
A.
B.
C.
D.
Hint