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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
F
Practice quiz
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Host live
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Questions
47
Answers
1
Identify the following symbol:
Sample Proportion
Probability
Population Proportion
Parameter
2
Identify the following symbol:
Sample distribution
Sample Mean
Population Mean
Difference of Two Means
3
Choose the best answer.
Loan rates from 10 of your neighbors who bank locally.
SRS of 1000 rates from 100 randomly selected branches in U.S
Less than one hundred loan rates from one branch in a town
Thousands of rates from all branches in the Midwest
4
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.
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
5
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 hours when it is true
Claiming all children do not sleep 8 hrs, when they do.
6
Choose the best answer.
Mean: 86; Median: 88
Mean: 84; Median: 90
Mean: 88; Median: 90
Mean: 88; Median: 86
7
Identify the following symbol
Population size
Normal curve
Sample size
Unknown number
8
Which of the following is NOT a method of random sampling?
Volunteer
Cluster
Stratified
Systematic
9
Which is NOT a similarity between the
t
-distribution and the standard Normal distribution?
Both depend on degrees of freedom
Both distribution means are zero
Both are continuous distributions
Both are symmetric about the mean
10
Identify the following symbol:
Expected Value
Function E(X)
Exception
Empirical Rule
11
Choose the best answer.
0.0949
0.0475
0.0033
0.0566
12
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.
13
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
Distribution of sample mean is more peaked as n increases
As n increases, the center remains at μ
14
Which of the following data sets has the largest standard deviation?
{1, 4, 7, 10, 13}
{1, 2, 3, 4, 5|
{1, 1, 3, 5, 5}
(1, 3, 5, 7, 9}
15
Choose the best answer.
0.45
0.30
0.18
0.24
16
Identify the following symbol
Alternative Hypothesis
Ha Ha! That joke was FUNNY!
Null Hypothesis
Handle With Care
17
Identify the following symbol
Chi-Squared
Unknown Variable Squared
Goodness of Fit Test
X-Squared
18
Which of the following is FALSE about the power of a test?
It is calculated directly from Type I error
It increases as the Type I error rate increases
It increases as β increases
It increases as the effect size increases
19
Choose the best answer.
Bar Chart
Histogram
Stemplot
Dotplot
20
Which of the following is a
qualitative
variable?
II & III
I & II
III
I
21
Which measure of center is best for skewed data?
Mean
Median
Standard Deviation
Interquartile Range
22
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
23
Identify the following symbol:
Whistle and X
Population standard deviation
Standard deviation of a random variable
Sample standard deviation
24
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 results will generalize because surveys were identical
The study was a single-blind study
25
Identify the following symbol:
Sample proportion
Population
Population proportion
Difference in two proportions
26
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 test statistic falls outside the rejection region
Test statistics falls within the rejection region
The p-value is greater than α
27
Choose the best answer.
Placebo
Control
Block
Experimental
28
Choose the best answer.
108
12
123
27
29
Which test is appropriate for analyzing categorical data?
z-test
2 sample t-test
chi-square test
1-sample t-test
30
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
31
Identify the following symbol
Standard Deviation
Variance
Chi-Square
Population standard deviation
32
Choose the best answer.
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
90% of attendees' age falls between 4.6 & 6.3 years
5% probability that no attendee was less than 4.6 yrs. old.
33
Identify the following symbol
Mean of Chi
Population Mean
Chi-Squared
Sample Mean
34
I would recommend this class to students
Yes, but it is a lot of work
NEVER!!
Meh, its ok not great!
yes, I am confident about the content learned
35
Calculate the IQR for the following data
4
15
7
13
36
Choose the best answer.
33.4%
2.28%
15.9%
47.2%
37
Choose the best answer.
384
383
300
385
38
Choose the best answer.
0.45
0.42
0.70
0.13
39
If a study has three factors, each with three levels, how many treatments are there?
4
6
5
9
40
Identify the following symbol
Population Variance
Sample Variance
Sample Standard Deviation
Population Standard Deviation
41
Choose the best answer.
3/8
19/40
19/20
15/19
42
Choose the best answer.
All faculty, staff, and students at the school.
All high school students in the country.
All freshman at the school.
All students at the school
43
Identify the following symbol:
Alternative Hypothesis
Hope you studied!
Null Hypothesis
Ho Ho Ho! Santa's here!
44
Identify the symbol μ
X
Mean of a distribution
Population Mean
Mean of a random variable
Sample Mean
45
Choose the best answer.
15
720
120
24
46
Identify the following symbol:
Sample Standard Deviation
Population Standard Deviation
Sequence or Series
Standard Error
47
Identify the following symbol
N for Niesner
Sample size
Population size
Number
