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Chapter 1 Test Review - Statistics Flashcards | StudBud
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Chapter 1 Test Review - Statistics
number of candy bars sold in a fundraiser
ages of people working in a large factory
Chapter 1 Test Review - Statistics
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terminology
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Answers
1
ages of people working in a large factory
continuous
discrete
2
number of candy bars sold in a fundraiser
interval
ordinal
nominal
ratio
3
A researcher divided subjects into groups by gender, then selected some from each group.
random
cluster
stratified
systematic
4
the heights of the mountains in Alaska are an example of a variable
true
false
5
A variable that interferes with other variables in the study is called...
outcome
interfering
explanatory
confounding
6
the height of basketball players is continuous
false
true
7
weights of suitcases on an airplane
ordinal
nominal
interval
ratio
8
the amount of drug injections to a guinea pig
continuous
discrete
9
Data that can be classified by color is what level of measurement?
ordinal
ratio
nominal
interval
10
probability is used as a basis for inferential statistics
false
true
11
A study that involves no researcher intervention is called...
quasi-experimental
observational
noninvolvement
experiment
12
in 2013, the number of high school graduates was 3.2 million students
descriptive
inferential
13
the average life expectancy in New Zealand is 78.49 years
inferential
descriptive
14
a diet high in fruits and vegetables will lower blood pressure
inferential
descriptive
15
temperature of hair dryers
interval
nominal
ordinal
ratio
16
the number of gallons of milk sold each day at a grocery store
continuous
discrete
17
the population is divided into groups by rank and the several selected from each, its cluster
false
true
18
the number of ads on a one-hour tv show is what type of data?
ratio
interval
nominal
ordinal
19
classification of cars as subcompact, compact, standard, and luxury
interval
nominal
ordinal
ratio
20
rating of movies as G, PG, and R
nominal
ratio
ordinal
interval
21
the time it takes a student to drive to school
continuous
discrete
22
the number of cups of coffee served at a restaurant
discrete
continuous
23
the variable temperature is quantitative
true
false
24
the boundary of a value such as 6 inches would be 5.9-6.1 inches
true
false
25
The group of all subjects under study is the ...
sample
population
26
two major branches of statistics are...
descriptive and predicted
facts and predicting
descriptive and inferential
descriptive and probability
27
researchers stated that the shape of a person's ears is relative to a person's age
descriptive
inferential
28
What are the boundaries of 25.6 ounces?
25.55-25.65
25.5-25.7
25-26
29
the total amount of estimated losses for Hurricane Katrina was $125 billion
descriptive
inferential
30
the lowest level of measurement is the nominal level
false
true
