WorksheetsData & Measures of Central Tendency
Total questions: 25
Worksheet time: 1hrs 11mins
Name
Class
Date
1.
a)
the size of the sample
b)
the method of analyzing the data
c)
the method of choosing the people who were surveyed
d)
the size of the population
2.
Which research project would BEST be conducted using a randomized experiment instead of an observational study?
a)
Determine the sport with the largest participation by boys under 14 years of age.
b)
Determine the menu item ordered most often from a restaurant.
c)
Determine the average number of hours adults spend watching television.
d)
Determine the side effects of a new cold medicine.
3.
a)
exponential
b)
quadratic
c)
linear
d)
logarithmic
4.
a)
10
b)
8
c)
15
d)
12
5.
Which of the following correlation coefficients indicates the weakest relationship between two variables?
a)
0.01
b)
0.1
c)
-0.11
d)
-1.00
6.
Which of the following correlation coefficients indicates the strongest relationship between two variables?
a)
0.89
b)
0.97
c)
-0.50
d)
-1.00
7.
a)
63
b)
62.5
c)
9
d)
2
8.
a)
47 pounds
b)
55 pounds
c)
48 pounds
d)
49 pounds
9.
a)
exponential
b)
quadratic
c)
linear
d)
logarithmic
10.
a)
experiment
b)
observational study
c)
simulation
d)
survey
11.
a)
experiment
b)
observational study
c)
simulation
d)
survey
12.
a)
experiment
b)
observational study
c)
simulation
d)
survey
13.
a)
experiment
b)
observational study
c)
simulation
d)
survey
14.
the number that appears most frequently in a set of data
a)
mean
b)
median
c)
mode
d)
range
15.
the difference between the highest and lowest terms of a set of data
a)
mean
b)
median
c)
mode
d)
range
16.
the sum of all the terms of a set of data divided by the number of terms
a)
mean
b)
median
c)
mode
d)
range
17.
the middle number in a sorted list of data
a)
mean
b)
median
c)
mode
d)
range
18.
a)
25
b)
30
c)
15
d)
10
19.
a)
30
b)
20
c)
15
d)
10
20.
a)
25%
b)
50%
c)
75%
d)
100%
21.
a)
25%
b)
50%
c)
75%
d)
100%
22.
a)
Q1
b)
Q2
c)
Q3
d)
none of these
23.
a)
25%
b)
50%
c)
75%
d)
0%
24.
a)
25%
b)
50%
c)
75%
d)
100%
25.
a)
Q3
b)
Q2
c)
Q1
d)
none of these
100 %
