WorksheetsIntroduction to stats 1.3
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
A faulty survey question will try to _______.
a)
Get the most correct answer.
b)
Get the least accurate answer.
c)
Lead the person answering to one side or the other.
d)
Lead the person answering in the correct direction.
2.
A student wants to know the most liked professor at her college. Which type of study would be the most practical to obtain this information?
a)
a simulation
b)
an experiment
c)
a survey
d)
an observation
3.
A numerical characteristic of the POPULATION
a)
Statistic
b)
Parameter
c)
Observation
d)
Study
4.
A survey is _____________
a)
an observational study
b)
an experiment
5.
A quantity calculated from the observations in a SAMPLE.
a)
Parameter
b)
Study
c)
Statistic
d)
Observation
6.
The process of gathering information/data from EACH member of the population.
a)
Census
b)
Interview
c)
Survey
d)
Questionnaire
7.
Compare voter satisfaction levels between people assigned to use either paper ballots or touchscreen machines.
a)
Experiment
b)
Observational Study
8.
Determine which brands of orange juice people prefer. The people are randomly chosen at the supermarket and are asked to taste both brands without knowing which brand they are drinking.
a)
Experiment
b)
Observational Study
9.
The scores awarded to 25 students for an assignment were as follows:
4 7 5 9 8 6 7 7 8 5 6 9 8 5 8 7 4 7 3 6 8 9 7 6 9
What is the mode?
4 7 5 9 8 6 7 7 8 5 6 9 8 5 8 7 4 7 3 6 8 9 7 6 9
What is the mode?
a)
6
b)
7
c)
8
d)
9
10.
Suspect samples are samples that are _______.
a)
too large
b)
too small
c)
poor selection
d)
both B and C
100 %
