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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
Identify the following symbol:
Difference in two proportions
Population
Sample proportion
Population proportion
2
Choose the best answer.
385
383
384
300
3
Choose the best answer.
Study about HS students but survey only given to girls
HS pop. divided into similar groups; a SRS receive survey
Texting & driving survey given in front of teen's parents
A small portion of surveys are returned
4
Choose the best answer.
19/40
19/20
3/8
15/19
5
Choose the best answer.
0.13
0.70
0.42
0.45
6
When using the rejection region approach, when should you reject the null hypothesis?
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
The p-value is greater than α
7
Identify the following symbol:
Ho Ho Ho! Santa's here!
Alternative Hypothesis
Hope you studied!
Null Hypothesis
8
Which of the following data sets has the largest standard deviation?
{1, 1, 3, 5, 5}
{1, 2, 3, 4, 5|
(1, 3, 5, 7, 9}
{1, 4, 7, 10, 13}
9
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.
10
Which test is appropriate for analyzing categorical data?
chi-square test
2 sample t-test
z-test
1-sample t-test
11
Identify the following symbol
N for Niesner
Sample size
Population size
Number
12
Identify the following symbol:
Sequence or Series
Sample Standard Deviation
Standard Error
Population Standard Deviation
13
Identify the following symbol:
Difference of Two Means
Sample distribution
Population Mean
Sample Mean
14
Which of the following is NOT a method of random sampling?
Systematic
Volunteer
Stratified
Cluster
15
Choose the best answer.
Mean: 86; Median: 88
Mean: 84; Median: 90
Mean: 88; Median: 86
Mean: 88; Median: 90
16
Identify the following symbol
Population size
Normal curve
Unknown number
Sample size
17
Which of the following is FALSE about the power of a test?
It increases as the Type I error rate increases
It increases as β increases
It increases as the effect size increases
It is calculated directly from Type I error
18
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
19
Choose the best answer.
Placebo
Experimental
Control
Block
20
Identify the following symbol
Unknown Variable Squared
Chi-Squared
X-Squared
Goodness of Fit Test
21
Identify the symbol μ
X
Population Mean
Sample Mean
Mean of a random variable
Mean of a distribution
22
If you toss a fair coin 7 times and get 7 heads, the 8th toss MUST be tails. Is this true?
Yes. With so many heads, a tail MUST be next.
No. You cannot predict next toss from previous toss.
No, the coin is not really fair so it could be heads again
Yes. Law of large #s says 50% are tails, so tails is overdue
23
Mr. McLaughlin is the best teacher ever!
I don't mind failing.
True
True
True
24
Choose the best answer.
All high school students in the country.
All students at the school
All freshman at the school.
All faculty, staff, and students at the school.
25
Choose the best answer.
0.24
0.18
0.45
0.30
26
Choose the best answer.
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
90% of pop. sampled, and their ages are between 4.6 & 6.3
27
Calculate the IQR for the following data
7
15
13
4
28
Identify the following symbol:
Empirical Rule
Expected Value
Exception
Function E(X)
29
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
30
Choose the best answer.
47.2%
2.28%
15.9%
33.4%
31
Choose the best answer.
Failing to reject the claim that all children sleep 8 hours
Claiming all children do not sleep 8 hours when it is true
Claiming all children do not sleep 8 hrs, when they do.
Claiming all children do not sleep 8 hrs when it is not true
32
If a study has three factors, each with three levels, how many treatments are there?
4
6
5
9
33
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
34
Identify the following symbol
Variance
Chi-Square
Standard Deviation
Population standard deviation
35
Choose the best answer.
Stemplot
Histogram
Dotplot
Bar Chart
36
Choose the best answer
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
There is a convenience sampling bias present for Suzy & John
37
Identify the following symbol
Population Variance
Sample Variance
Sample Standard Deviation
Population Standard Deviation
38
Identify the following symbol:
Sample standard deviation
Whistle and X
Standard deviation of a random variable
Population standard deviation
39
Choose the best answer.
27
123
108
12
40
Identify the following symbol
Sample Mean
Mean of Chi
Chi-Squared
Population Mean
41
Identify the following symbol
Null Hypothesis
Handle With Care
Ha Ha! That joke was FUNNY!
Alternative Hypothesis
42
Which of the following is a
qualitative
variable?
III
I
II & III
I & II
43
Choose the best answer.
15
720
24
120
44
Choose the best answer.
Less than one hundred loan rates from one branch in a town
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
45
Choose the best answer.
0.0475
0.0033
0.0566
0.0949
46
Which measure of center is best for skewed data?
Standard Deviation
Interquartile Range
Median
Mean
47
Identify the following symbol:
Sample Proportion
Population Proportion
Parameter
Probability