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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
P
Host live
L
Questions
47
Answers
1
Choose the best answer.
Dotplot
Histogram
Stemplot
Bar Chart
2
Which is NOT a similarity between the
t
-distribution and the standard Normal distribution?
Both are continuous distributions
Both distribution means are zero
Both are symmetric about the mean
Both depend on degrees of freedom
3
Identify the following symbol
Population Variance
Sample Variance
Population Standard Deviation
Sample Standard Deviation
4
Which measure of center is best for skewed data?
Median
Interquartile Range
Standard Deviation
Mean
5
Identify the following symbol
Goodness of Fit Test
X-Squared
Chi-Squared
Unknown Variable Squared
6
Identify the following symbol
Sample Mean
Chi-Squared
Mean of Chi
Population Mean
7
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.
8
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}
9
Identify the following symbol
Handle With Care
Ha Ha! That joke was FUNNY!
Alternative Hypothesis
Null Hypothesis
10
Choose the best answer.
Mean: 86; Median: 88
Mean: 88; Median: 90
Mean: 88; Median: 86
Mean: 84; Median: 90
11
Identify the following symbol:
Alternative Hypothesis
Null Hypothesis
Hope you studied!
Ho Ho Ho! Santa's here!
12
Ms. Niesner is the best AP Stats teacher ever!!!
True
Whatever
Meh
False
13
Choose the best answer.
HS pop. divided into similar groups; a SRS receive survey
A small portion of surveys are returned
Texting & driving survey given in front of teen's parents
Study about HS students but survey only given to girls
14
Which of the following is FALSE about the power of a test?
It increases as the effect size increases
It increases as β increases
It is calculated directly from Type I error
It increases as the Type I error rate increases
15
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
16
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
No. You cannot predict next toss from previous toss.
Yes. With so many heads, a tail MUST be next.
No, the coin is not really fair so it could be heads again
17
Identify the following symbol
N for Niesner
Number
Sample size
Population size
18
Choose the best answer.
720
24
120
15
19
Choose the best answer.
47.2%
2.28%
33.4%
15.9%
20
Choose the best answer.
385
300
383
384
21
Identify the following symbol
Population size
Sample size
Normal curve
Unknown number
22
Calculate the IQR for the following data
13
4
15
7
23
Why is replication a good practice in experimental designs?
It allows for chance variation to be estimated.
It makes a study random.
It "controls" the effects of known factors.
It eliminates chance variation.
24
Choose the best answer.
0.24
0.45
0.18
0.30
25
Which test is appropriate for analyzing categorical data?
2 sample t-test
z-test
1-sample t-test
chi-square test
26
Choose the best answer.
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.
Less than one hundred loan rates from one branch in a town
27
Identify the following symbol:
Difference in two proportions
Population
Sample proportion
Population proportion
28
Identify the following symbol:
Function E(X)
Expected Value
Empirical Rule
Exception
29
Identify the following symbol
Population standard deviation
Standard Deviation
Variance
Chi-Square
30
Choose the best answer.
19/40
19/20
15/19
3/8
31
Which of the following is NOT a method of random sampling?
Systematic
Cluster
Stratified
Volunteer
32
Choose the best answer.
0.0949
0.0566
0.0033
0.0475
33
Choose the best answer.
Control
Experimental
Placebo
Block
34
Choose the best answer.
Claiming all children do not sleep 8 hrs, when they do.
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
35
Identify the following symbol:
Population Standard Deviation
Sample Standard Deviation
Sequence or Series
Standard Error
36
Which of the following is a
qualitative
variable?
I
II & III
III
I & II
37
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
38
Identify the symbol μ
X
Population Mean
Mean of a random variable
Mean of a distribution
Sample Mean
39
Identify the following symbol:
Sample Mean
Sample distribution
Population Mean
Difference of Two Means
40
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
The p-value of the test statistic is less than α
Test statistics falls within the rejection region
41
Identify the following symbol:
Whistle and X
Standard deviation of a random variable
Population standard deviation
Sample standard deviation
42
If a study has three factors, each with three levels, how many treatments are there?
5
4
6
9
43
Identify the following symbol:
Sample Proportion
Parameter
Population Proportion
Probability
44
Choose the best answer
The study was a single-blind study
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
45
Choose the best answer.
27
123
108
12
46
Choose the best answer.
0.42
0.45
0.70
0.13
47
Choose the best answer.
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.
90% of pop. sampled, and their ages are between 4.6 & 6.3
