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AQR Final Exam
AQR Final Exam
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AQR Final Exam
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
Calculate the slugging average for a baseball player with the following statistics...
16814.584
.597
.584
16814.769
2
What kind of sampling are they using?
Cluster Sampling
Systematic Random Sampling
Simple Random Sampling
Stratified Random Sampling
3
The BNHS Basketball team tournament - how many total outcomes are possible?
8
10
6
16
4
Pizza Hut claim that they can deliver in 30 minutes or less. What is the alternate hypothesis?
The true mean time is more than 30 minutes.
The true mean time is less than 30 minutes.
The true mean time is 30 minutes or more.
The true mean time is 30 minutes or less.
5
What is your current average?
85
92
82
84
6
How many outcomes are there?
12
8
18
9
7
Free Throws for Allowance: How many weeks will her father be out $30?
20 weeks
17 weeks
19 weeks
13 weeks
8
P(White with Ham, Mayo and Mustard)?
8/18
2/18
4/18
1/18
9
Free Throws for Allowance: How many weeks in a year will her father only have to pay $10?
19 weeks
13 weeks
21 weeks
17 weeks
10
P(likes both iPhone and Android)?
78/200
74/200
36/200
188/200
11
Which of the following are part of an
experimental study
?
All of the Choices
Variable of Interest
Control Group
Treatment
12
Pizza Hut claim that they can deliver in 30 minutes or less. What is the null hypothesis?
The true mean time is 30 minutes or less.
The true mean time is less than 30 minutes.
The true mean time is 30 minutes or more.
The true mean time is more than 30 minutes.
13
What is the check digit (d) for the VISA card 4361 0259 3456 789d?
0
2
3
4
14
What do you need to make on your last test to get a six weeks average of 80?
77
80
76
75
15
What kind of sampling are they using?
Cluster Sampling
Stratified Random Sampling
Simple Random Sampling
Convenience Sampling
16
How do you think you would do on the final exam if you took it today?
below 70%
70-80%
90-100%
80-90%
17
What kind of sampling are they using?
Systematic Random Sampling
Cluster Sampling
Stratified Random Sampleing
Simple Random Sampling
18
The BNHS Basketball team tournament - What is the probability of winning a trophy?
1/4
1/2
1/3
2/3
19
P(a person likes neither)?
36/200
74/200
78/200
12/200
20
What is the probability that a person only likes iPhone?
78/200
74/200
114/200
36/200
21
How many phone numbers are possible in the (817) area code if:
25,000,000
5,000,000
10,000,000
2,500,000
22
Determine the best interpretation for the following information...
No teen ate fewer than 2857 calories or more than 3091
The margin of error is ±234 calories
2974 is an estimate of the average number of calories
The margin of error is ±3 years of age
23
What is the aspect ratio of tire P235/65R14?
14
235
65
There is no aspect ratio.
24
Which of the following are part of an
observational study
?
Treatment
All of the Choices
Variable of Interest
Control Group
25
What was the margin of error for this research?
±5
±4
±8
±10
