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