stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
2nd Unit Concept 1 Review Flashcards | StudBud
Explore
/
2nd Unit Concept 1 Review
2nd Unit Concept 1 Review
20 terms
·
StudBud Administration
·
244 plays
#InterpretingCategoricalData - #ComparingtheRisk and #ATestofSignificance
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
True or False: The absolute risk reduction should always be positive?
True
False
2
Another word for absolute risk is...
prevalence
proportion
probability
percentage
3
18 of 28 young workers were fired & 28 of 64 old workers were fired. What's the relative risk?
0.68
1.65
1.47
20.5
4
Which of these could be a sample out of 56 students?
59
65
53
1200
5
If the population is all 11th graders, the sample could be...
kids in high school
kids in US
kids taking Statistics
kids in Delaware
6
Which graph best answers the question which group has a larger percentage?
grouped bar graph
stacked bar graph (percent on the vertical axis)
stacked bar graph (frequency on the vertical axis)
7
If groups are homogeneous, the segments of the stacked bar graphs will be...
unequal
equal
8
If you roll a die 36 times, what is the expected number of 4's that will show up?
4
14
6
5
9
18 of 28 young men were fired. 28 of 64 old men were fired. What's the absolute risk reduction?
20.5
108.1
1.47
1.65
10
When computing relative risk, which group goes on top?
the last one
the first one
the smaller one
the larger one
11
What operation is used when finding absolute risk reduction?
Division
Multiplication
Addition
Subtraction
12
A dentist says you have a 1 in 6 chance of getting gum disease, what is the absolute risk?
6%
17%
60%
177%
13
If the sample size is 40, which of these could be the population?
30
4
10
50
14
Plausible means...
out in left field
impossible
reasonable
happens all the time
15
True or False: The relative risk should always be less than 1.
False
True
16
If 7% of the kids in a class of 28 will fail, approximately how many students is that?
7
2
1
20
17
34% of people are blind. In a sample of 200 people, how many blind people would you expect?
34
68
43
62
18
Which graph makes it easiest to compare the number of people in two groups?
stacked bar graph (frequency on vertical axis)
stacked bar graph (percent on vertical axis)
grouped bar graph
19
What operation is used when finding relative risk?
Division
Subtraction
Multiplication
Addition
20
If 12 kids got the flu out of 450 kids that received the vaccine, what's the absolute risk?
0.0267%
0.973%
97.3%
2.67%
