stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
AP Statistics End of Year Review - Part II Flashcards | StudBud
Explore
/
AP Statistics End of Year Review - Part II
AP Statistics End of Year Review - Part II
21 terms
·
StudBud Administration
·
10 plays
A Quiz to review for the AP Exam
Flashcards
21 cards
F
Practice quiz
P
Host live
L
Questions
21
Answers
1
Choose the best answer.
Texting & driving survey given in front of teen's parents
A small portion of surveys are returned
HS pop. divided into similar groups; a SRS receive survey
Study about HS students but survey only given to girls
2
Which test is appropriate for analyzing categorical data?
2 sample t-test
chi-square test
1-sample t-test
z-test
3
Identify the symbol μ
X
Mean of a random variable
Population Mean
Sample Mean
Mean of a distribution
4
Choose the best answer.
300
384
383
385
5
Ms. Niesner is the best AP Stats teacher ever!!!
Whatever
True
False
Meh
6
Which of the following is FALSE about the power of a test?
It increases as the effect size increases
It increases as β increases
It is calculated directly from Type I error
It increases as the Type I error rate increases
7
Choose the best answer.
All students at the school
All high school students in the country.
All faculty, staff, and students at the school.
All freshman at the school.
8
Choose the best answer.
90% of pop. sampled, and their ages are between 4.6 & 6.3
5% probability that no attendee was less than 4.6 yrs. old.
10% probability that the mean age is not between 4.6 & 6.3
90% of attendees' age falls between 4.6 & 6.3 years
9
Choose the best answer.
120
15
24
720
10
When using the rejection region approach, when should you reject the null hypothesis?
The p-value of the test statistic is less than α
The p-value is greater than α
Test statistics falls within the rejection region
The test statistic falls outside the rejection region
11
Choose the best answer.
0.0566
0.0033
0.0949
0.0475
12
Choose the best answer
There is a convenience sampling bias present for Suzy & John
The samples were random so the results should not be biased
The study was a single-blind study
The results will generalize because surveys were identical
13
Choose the best answer.
19/40
19/20
3/8
15/19
14
Which of the following is FALSE about the Central Limit Theorem?
The sample distribution becomes more Normal as n increases
It is only valid if the population distribution is Normal
As n increases, the center remains at μ
Distribution of sample mean is more peaked as n increases
15
If you toss a fair coin 7 times and get 7 heads, the 8th toss MUST be tails. Is this true?
Yes. Law of large #s says 50% are tails, so tails is overdue
Yes. With so many heads, a tail MUST be next.
No, the coin is not really fair so it could be heads again
No. You cannot predict next toss from previous toss.
16
Why is replication a good practice in experimental designs?
It eliminates chance variation.
It makes a study random.
It "controls" the effects of known factors.
It allows for chance variation to be estimated.
17
Choose the best answer.
108
12
123
27
18
If a study has three factors, each with three levels, how many treatments are there?
6
5
4
9
19
Which is NOT a similarity between the
t
-distribution and the standard Normal distribution?
Both distribution means are zero
Both depend on degrees of freedom
Both are symmetric about the mean
Both are continuous distributions
20
Choose the best answer.
Block
Control
Experimental
Placebo
21
Identify the following symbol:
Standard deviation of a random variable
Whistle and X
Population standard deviation
Sample standard deviation
