1.
Find the range of {5, 21, 2, 14, 13}.
A.
13
B.
19
C.
65
D.
14
Hint
2.
Suppose a jean company wanted to gather data about what styles of jeans people prefer. They told Rhonda to walk around the city, and take note of the styles that she sees. What data collection method is she using?
A.
published data
B.
experiment
C.
observational study
D.
survey
Hint
3.
Every fifth person that comes out of a library is asked whether they prefer to read a book or watch a movie. Is this biased or unbiased and why?
A.
biased, because a library loans out primarily books
B.
unbiased, because the location is not important
C.
biased, because the sample is not representative of everyone in the library
D.
unbiased, because they are using a systematic random sample
Hint
4.
Find
.
A.
B.
C.
D.
Hint
5.
Find –5
B
.
A.
B.
C.
D.
Hint
6.
How many children attend this child care facility?
A.
14
B.
70
C.
6
D.
100
Hint
7.
A histogram is a graph in which the data are organized into equal _______.
A.
tallies
B.
bars
C.
intervals
D.
elements
Hint
8.
Find the median of the data.
A.
23
B.
29.5
C.
19.5
D.
42.5
Hint
9.
What is the least value of the data?
A.
3.5
B.
13
C.
1
D.
19
Hint
10.
Find the upper quartile of the data.
A.
13
B.
10
C.
9.5
D.
19
Hint