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Duplicate of AP Statistics End of Year Review Flashcards | StudBud
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Duplicate of AP Statistics End of Year Review
Duplicate of AP Statistics End of Year Review
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A #math #AP #statistics Quiz to review for the AP Exam
Flashcards
47 cards
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Practice quiz
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Host live
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Questions
47
Answers
1
When using the rejection region approach, when should you reject the null hypothesis?
The p-value is greater than α
Test statistics falls within the rejection region
The p-value of the test statistic is less than α
The test statistic falls outside the rejection region
2
Choose the best answer.
19/20
15/19
3/8
19/40
3
Choose the best answer.
Mean: 88; Median: 90
Mean: 86; Median: 88
Mean: 84; Median: 90
Mean: 88; Median: 86
4
Choose the best answer.
A small portion of surveys are returned
HS pop. divided into similar groups; a SRS receive survey
Texting & driving survey given in front of teen's parents
Study about HS students but survey only given to girls
5
Identify the following symbol
Unknown number
Population size
Normal curve
Sample size
6
Which of the following is FALSE about the power of a test?
It increases as the Type I error rate increases
It increases as the effect size increases
It is calculated directly from Type I error
It increases as β increases
7
Calculate the IQR for the following data
7
13
15
4
8
Which of the following data sets has the largest standard deviation?
{1, 1, 3, 5, 5}
{1, 2, 3, 4, 5|
{1, 4, 7, 10, 13}
(1, 3, 5, 7, 9}
9
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.
10
Which test is appropriate for analyzing categorical data?
2 sample t-test
1-sample t-test
z-test
chi-square test
11
Why is replication a good practice in experimental designs?
It allows for chance variation to be estimated.
It makes a study random.
It eliminates chance variation.
It "controls" the effects of known factors.
12
Choose the best answer.
0.0566
0.0475
0.0033
0.0949
13
Identify the following symbol:
Hope you studied!
Ho Ho Ho! Santa's here!
Alternative Hypothesis
Null Hypothesis
14
Identify the following symbol:
Sample proportion
Population
Population proportion
Difference in two proportions
15
Choose the best answer.
0.13
0.70
0.45
0.42
16
Identify the following symbol
Population Variance
Sample Standard Deviation
Population Standard Deviation
Sample Variance
17
Choose the best answer.
Dotplot
Histogram
Bar Chart
Stemplot
18
Which of the following is a
qualitative
variable?
II & III
III
I & II
I
19
Identify the following symbol
Mean of Chi
Population Mean
Chi-Squared
Sample Mean
20
Which measure of center is best for skewed data?
Median
Standard Deviation
Interquartile Range
Mean
21
Identify the symbol μ
X
Population Mean
Mean of a distribution
Sample Mean
Mean of a random variable
22
Identify the following symbol:
Population standard deviation
Sample standard deviation
Standard deviation of a random variable
Whistle and X
23
Identify the following symbol
N for Niesner
Sample size
Number
Population size
24
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
25
Identify the following symbol:
Sample Proportion
Population Proportion
Parameter
Probability
26
Choose the best answer
The results will generalize because surveys were identical
The samples were random so the results should not be biased
There is a convenience sampling bias present for Suzy & John
The study was a single-blind study
27
Choose the best answer.
720
15
24
120
28
Choose the best answer.
384
300
385
383
29
Choose the best answer.
Block
Experimental
Control
Placebo
30
If a study has three factors, each with three levels, how many treatments are there?
5
4
6
9
31
Identify the following symbol
Goodness of Fit Test
Unknown Variable Squared
X-Squared
Chi-Squared
32
Choose the best answer.
Thousands of rates from all branches in the Midwest
Loan rates from 10 of your neighbors who bank locally.
Less than one hundred loan rates from one branch in a town
SRS of 1000 rates from 100 randomly selected branches in U.S
33
Choose the best answer.
10% probability that the mean age is not between 4.6 & 6.3
5% probability that no attendee was less than 4.6 yrs. old.
90% of attendees' age falls between 4.6 & 6.3 years
90% of pop. sampled, and their ages are between 4.6 & 6.3
34
Identify the following symbol:
Sample Standard Deviation
Sequence or Series
Standard Error
Population Standard Deviation
35
AP Stats is the best math class ever!!!
Meh
True
Whatever
False
36
Choose the best answer.
Claiming all children do not sleep 8 hrs when it is not true
Failing to reject the claim that all children sleep 8 hours
Claiming all children do not sleep 8 hrs, when they do.
Claiming all children do not sleep 8 hours when it is true
37
Which is NOT a similarity between the
t
-distribution and the standard Normal distribution?
Both depend on degrees of freedom
Both are continuous distributions
Both are symmetric about the mean
Both distribution means are zero
38
Identify the following symbol
Standard Deviation
Population standard deviation
Variance
Chi-Square
39
Identify the following symbol:
Expected Value
Empirical Rule
Function E(X)
Exception
40
Identify the following symbol:
Sample Mean
Difference of Two Means
Population Mean
Sample distribution
41
Choose the best answer.
12
27
108
123
42
Choose the best answer.
0.24
0.45
0.18
0.30
43
Choose the best answer.
33.4%
2.28%
15.9%
47.2%
44
Identify the following symbol
Null Hypothesis
Handle With Care
Ha Ha! That joke was FUNNY!
Alternative Hypothesis
45
Choose the best answer.
All freshman at the school.
All students at the school
All faculty, staff, and students at the school.
All high school students in the country.
46
Choose the best answer.
H0: μ1 < μ2 ; HA: μ1 = μ2
H0: μ1=μ2 ; HA: μ1 < μ2
H0: μ1=μ2 ; HA: μ1 > μ2
H0: μ1 < μ2 ; HA: μ1 = μ2
47
Which of the following is NOT a method of random sampling?
Cluster
Systematic
Stratified
Volunteer
