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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
46 cards
F
Practice quiz
P
Host live
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Questions
46
Answers
1
Choose the best answer.
0.13
0.70
0.45
0.42
2
Identify the following symbol:
Exception
Empirical Rule
Expected Value
Function E(X)
3
Choose the best answer.
0.18
0.30
0.24
0.45
4
Choose the best answer.
108
27
123
12
5
Choose the best answer.
33.4%
47.2%
2.28%
15.9%
6
Choose the best answer.
19/40
3/8
19/20
15/19
7
If you toss a fair coin 7 times and get 7 heads, the 8th toss MUST be tails. Is this true?
No. You cannot predict next toss from previous toss.
Yes. With so many heads, a tail MUST be next.
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
8
Identify the following symbol
Handle With Care
Null Hypothesis
Ha Ha! That joke was FUNNY!
Alternative Hypothesis
9
Identify the following symbol
Sample Standard Deviation
Sample Variance
Population Variance
Population Standard Deviation
10
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 they do.
Claiming all children do not sleep 8 hrs when it is not true
Failing to reject the claim that all children sleep 8 hours
11
Identify the symbol μ
X
Mean of a distribution
Sample Mean
Mean of a random variable
Population Mean
12
Identify the following symbol:
Population
Difference in two proportions
Population proportion
Sample proportion
13
Identify the following symbol
Chi-Squared
Population Mean
Mean of Chi
Sample Mean
14
Which is NOT a similarity between the
t
-distribution and the standard Normal distribution?
Both are continuous distributions
Both are symmetric about the mean
Both depend on degrees of freedom
Both distribution means are zero
15
Identify the following symbol:
Alternative Hypothesis
Hope you studied!
Null Hypothesis
Ho Ho Ho! Santa's here!
16
Identify the following symbol:
Sequence or Series
Standard Error
Sample Standard Deviation
Population Standard Deviation
17
Identify the following symbol:
Sample standard deviation
Population standard deviation
Standard deviation of a random variable
Whistle and X
18
Choose the best answer.
720
24
120
15
19
Identify the following symbol:
Probability
Parameter
Population Proportion
Sample Proportion
20
Which of the following is NOT a method of random sampling?
Systematic
Stratified
Volunteer
Cluster
21
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
22
When using the rejection region approach, when should you reject the null hypothesis?
The p-value is greater than α
The test statistic falls outside the rejection region
Test statistics falls within the rejection region
The p-value of the test statistic is less than α
23
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
10% probability that the mean age is not between 4.6 & 6.3
5% probability that no attendee was less than 4.6 yrs. old.
24
Choose the best answer.
385
300
383
384
25
Identify the following symbol
Goodness of Fit Test
Unknown Variable Squared
Chi-Squared
X-Squared
26
Which of the following is a
qualitative
variable?
I & II
III
II & III
I
27
Choose the best answer.
Mean: 88; Median: 86
Mean: 88; Median: 90
Mean: 86; Median: 88
Mean: 84; Median: 90
28
Identify the following symbol
Population size
Unknown number
Sample size
Normal curve
29
Identify the following symbol
Population standard deviation
Chi-Square
Variance
Standard Deviation
30
Which measure of center is best for skewed data?
Median
Standard Deviation
Mean
Interquartile Range
31
Which of the following data sets has the largest standard deviation?
{1, 1, 3, 5, 5}
{1, 4, 7, 10, 13}
(1, 3, 5, 7, 9}
{1, 2, 3, 4, 5|
32
Choose the best answer.
Block
Placebo
Control
Experimental
33
Which of the following is FALSE about the power of a test?
It increases as the Type I error rate increases
It is calculated directly from Type I error
It increases as β increases
It increases as the effect size increases
34
Which of the following is FALSE about the Central Limit Theorem?
Distribution of sample mean is more peaked as n increases
It is only valid if the population distribution is Normal
As n increases, the center remains at μ
The sample distribution becomes more Normal as n increases
35
Calculate the IQR for the following data
7
15
4
13
36
Choose the best answer.
Study about HS students but survey only given to girls
A small portion of surveys are returned
Texting & driving survey given in front of teen's parents
HS pop. divided into similar groups; a SRS receive survey
37
Choose the best answer.
0.0566
0.0033
0.0949
0.0475
38
Choose the best answer.
Histogram
Bar Chart
Stemplot
Dotplot
39
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
40
If a study has three factors, each with three levels, how many treatments are there?
4
6
9
5
41
Why is replication a good practice in experimental designs?
It eliminates chance variation.
It allows for chance variation to be estimated.
It "controls" the effects of known factors.
It makes a study random.
42
Identify the following symbol
Number
N for Niesner
Sample size
Population size
43
Choose the best answer.
All faculty, staff, and students at the school.
All freshman at the school.
All students at the school
All high school students in the country.
44
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
45
Identify the following symbol:
Sample distribution
Difference of Two Means
Population Mean
Sample Mean
46
Which test is appropriate for analyzing categorical data?
1-sample t-test
2 sample t-test
chi-square test
z-test
