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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
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Questions
44
Answers
1
Identify the following symbol
Handle With Care
Ha Ha! That joke was FUNNY!
Alternative Hypothesis
Null Hypothesis
2
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
3
Which of the following is NOT a method of random sampling?
Cluster
Systematic
Stratified
Volunteer
4
Choose the best answer.
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
Claiming all children do not sleep 8 hrs when it is not true
5
Choose the best answer.
0.0949
0.0033
0.0566
0.0475
6
Choose the best answer.
123
108
12
27
7
Choose the best answer.
Study about HS students but survey only given to girls
Texting & driving survey given in front of teen's parents
HS pop. divided into similar groups; a SRS receive survey
A small portion of surveys are returned
8
Identify the following symbol
Sample size
Unknown number
Population size
Normal curve
9
Identify the following symbol
Goodness of Fit Test
Chi-Squared
X-Squared
Unknown Variable Squared
10
Identify the following symbol
Chi-Square
Standard Deviation
Population standard deviation
Variance
11
Identify the following symbol:
Null Hypothesis
Hope you studied!
Alternative Hypothesis
Ho Ho Ho! Santa's here!
12
Which test is appropriate for analyzing categorical data?
chi-square test
z-test
2 sample t-test
1-sample t-test
13
Choose the best answer.
Mean: 88; Median: 90
Mean: 84; Median: 90
Mean: 86; Median: 88
Mean: 88; Median: 86
14
Choose the best answer.
0.42
0.13
0.70
0.45
15
Identify the following symbol:
Empirical Rule
Function E(X)
Exception
Expected Value
16
Calculate the IQR for the following data
13
9
4
15
17
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.
18
Identify the following symbol:
Sample distribution
Difference of Two Means
Sample Mean
Population Mean
19
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
20
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.
21
Which measure of center is best for skewed data?
Median
Mean
Standard Deviation
Interquartile Range
22
Choose the best answer.
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
90% of attendees' age falls between 4.6 & 6.3 years
10% probability that the mean age is not between 4.6 & 6.3
23
Which of the following data sets has the largest standard deviation?
{1, 4, 7, 10, 13}
(1, 3, 5, 7, 9}
{1, 2, 3, 4, 5|
{1, 1, 3, 5, 5}
24
Identify the following symbol:
Population
Sample proportion
Difference in two proportions
Population proportion
25
Which of the following is FALSE about the Central Limit Theorem?
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
The sample distribution becomes more Normal as n increases
26
Choose the best answer.
15.9%
2.28%
47.2%
33.4%
27
Choose the best answer.
SRS of 1000 rates from 100 randomly selected branches in U.S
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
28
Identify the following symbol
Population Mean
Sample Mean
Mean of Chi
Chi-Squared
29
When using the rejection region approach, when should you reject the null hypothesis?
Test statistics falls within the rejection region
The p-value is greater than α
The test statistic falls outside the rejection region
The p-value of the test statistic is less than α
30
Identify the following symbol:
Parameter
Sample Proportion
Population Proportion
Probability
31
Identify the following symbol:
Standard Error
Sequence or Series
Population Standard Deviation
Sample Standard Deviation
32
Identify the following symbol
Population Standard Deviation
Sample Variance
Population Variance
Sample Standard Deviation
33
Why is replication a good practice in experimental designs?
It makes a study random.
It allows for chance variation to be estimated.
It eliminates chance variation.
It "controls" the effects of known factors.
34
Choose the best answer.
3/8
15/19
19/20
19/40
35
Choose the best answer.
Control
Placebo
Experimental
Block
36
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
37
Choose the best answer.
720
24
15
120
38
If a study has three factors, each with three levels, how many treatments are there?
6
5
9
4
39
Identify the following symbol
Population size
Normal
Sample size
Number
40
Which of the following is FALSE about the power of a test?
It increases as β increases
It is calculated directly from Type I error
It increases as the effect size increases
It increases as the Type I error rate increases
41
Choose the best answer.
384
383
300
385
42
Choose the best answer.
0.18
0.45
0.24
0.30
43
Which of the following is a
qualitative
variable?
II & III
III
I
I & II
44
Choose the best answer.
Bar Chart
Stemplot
Dotplot
Histogram
