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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
44 cards
F
Practice quiz
P
Host live
L
Questions
44
Answers
1
Choose the best answer.
15.9%
47.2%
2.28%
33.4%
2
Choose the best answer.
0.18
0.45
0.24
0.30
3
Choose the best answer.
Claiming all children do not sleep 8 hours when it is true
Failing to reject the claim that all children sleep 8 hours
Claiming all children do not sleep 8 hrs when it is not true
Claiming all children do not sleep 8 hrs, when they do.
4
Identify the following symbol:
Sample Standard Deviation
Sequence or Series
Population Standard Deviation
Standard Error
5
Choose the best answer.
720
120
15
24
6
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
7
Which test is appropriate for analyzing categorical data?
chi-square test
z-test
2 sample t-test
1-sample t-test
8
Choose the best answer.
12
27
108
123
9
Identify the following symbol
Population size
Normal curve
Sample size
Unknown number
10
Choose the best answer.
Mean: 86; Median: 88
Mean: 88; Median: 86
Mean: 84; Median: 90
Mean: 88; Median: 90
11
Choose the best answer.
Less than one hundred loan rates from one branch in a town
Thousands of rates from all branches in the Midwest
SRS of 1000 rates from 100 randomly selected branches in U.S
Loan rates from 10 of your neighbors who bank locally.
12
Which of the following is NOT a method of random sampling?
Volunteer
Cluster
Systematic
Stratified
13
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
14
Choose the best answer.
384
300
385
383
15
Identify the following symbol:
Population Mean
Sample Mean
Difference of Two Means
Sample distribution
16
Identify the following symbol
N for Niesner
Number
Population size
Sample size
17
Identify the following symbol
Population Variance
Sample Variance
Population Standard Deviation
Sample Standard Deviation
18
Choose the best answer.
90% of pop. sampled, and their ages are 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.
10% probability that the mean age is not between 4.6 & 6.3
19
Choose the best answer
The results will generalize because surveys were identical
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
20
Which of the following is a
qualitative
variable?
I & II
II & III
III
I
21
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.
22
Choose the best answer.
Block
Placebo
Experimental
Control
23
Identify the following symbol
X-Squared
Chi-Squared
Unknown Variable Squared
Goodness of Fit Test
24
Choose the best answer.
Dotplot
Histogram
Stemplot
Bar Chart
25
Which measure of center is best for skewed data?
Standard Deviation
Mean
Interquartile Range
Median
26
Choose the best answer.
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
Texting & driving survey given in front of teen's parents
27
Which is NOT a similarity between the
t
-distribution and the standard Normal distribution?
Both are symmetric about the mean
Both depend on degrees of freedom
Both distribution means are zero
Both are continuous distributions
28
Identify the following symbol
Chi-Square
Population standard deviation
Standard Deviation
Variance
29
Identify the following symbol:
Population
Population proportion
Difference in two proportions
Sample proportion
30
Choose the best answer.
0.0475
0.0033
0.0949
0.0566
31
If you toss a fair coin 7 times and get 7 heads, the 8th toss MUST be tails. Is this true?
No, the coin is not really fair so it could be heads again
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
32
Identify the following symbol:
Alternative Hypothesis
Ho Ho Ho! Santa's here!
Hope you studied!
Null Hypothesis
33
Identify the following symbol:
Sample Proportion
Parameter
Probability
Population Proportion
34
Which of the following is FALSE about the Central Limit Theorem?
The sample distribution becomes more Normal as n increases
As n increases, the center remains at μ
It is only valid if the population distribution is Normal
Distribution of sample mean is more peaked as n increases
35
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
36
Identify the following symbol
Ha Ha! That joke was FUNNY!
Null Hypothesis
Alternative Hypothesis
Handle With Care
37
Identify the following symbol
Mean of Chi
Chi-Squared
Sample Mean
Population Mean
38
Choose the best answer.
0.13
0.70
0.45
0.42
39
Why is replication a good practice in experimental designs?
It allows for chance variation to be estimated.
It "controls" the effects of known factors.
It makes a study random.
It eliminates chance variation.
40
Calculate the IQR for the following data
4
13
9
15
41
Identify the following symbol:
Function E(X)
Expected Value
Empirical Rule
Exception
42
If a study has three factors, each with three levels, how many treatments are there?
5
6
4
9
43
Choose the best answer.
19/20
19/40
3/8
15/19
44
Which of the following data sets has the largest standard deviation?
{1, 2, 3, 4, 5|
{1, 4, 7, 10, 13}
{1, 1, 3, 5, 5}
(1, 3, 5, 7, 9}
