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.

Which of the following is FALSE about the power of a test?

It is calculated directly from Type I error

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

Which of the following is FALSE about the Central Limit Theorem?

It is only valid if the population distribution is Normal

Identify the following symbol:

Standard deviation of a random variable

Choose the best answer.

SRS of 1000 rates from 100 randomly selected branches in U.S

Which is NOT a similarity between the t-distribution and the standard Normal distribution?

Both depend on degrees of freedom

Choose the best answer.

10% probability that the mean age is not between 4.6 & 6.3

Choose the best answer.

HS pop. divided into similar groups; a SRS receive survey

Choose the best answer

There is a convenience sampling bias present for Suzy & John

Why is replication a good practice in experimental designs?

It allows for chance variation to be estimated.

When using the rejection region approach, when should you reject the null hypothesis?

Test statistics falls within the rejection region

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AP Statistics End of Year Review

46 termsStudBud Administration

A #math #AP #statistics Quiz to review for the AP Exam

Flashcards46 cardsFPractice quizPHost liveL

Questions 46

Answers

1
Identify the following symbol
Sample Standard Deviation
Population Variance
Population Standard Deviation
Sample Variance
2
Identify the following symbol:
Null Hypothesis
Hope you studied!
Alternative Hypothesis
Ho Ho Ho! Santa's here!
3
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.
No, the coin is not really fair so it could be heads again
Yes. Law of large #s says 50% are tails, so tails is overdue
4
Identify the following symbol:
Sequence or Series
Standard Error
Population Standard Deviation
Sample Standard Deviation
5
Identify the following symbol
Alternative Hypothesis
Ha Ha! That joke was FUNNY!
Null Hypothesis
Handle With Care
6
Choose the best answer.
Bar Chart
Stemplot
Histogram
Dotplot
7
Choose the best answer.
Control
Block
Placebo
Experimental
8
Identify the following symbol
Sample size
Population size
N for Niesner
Number
9
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 the effect size increases
It increases as β increases
10
Choose the best answer.
Claiming all children do not sleep 8 hrs, when they do.
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 hours when it is true
11
Choose the best answer.
All faculty, staff, and students at the school.
All students at the school
All high school students in the country.
All freshman at the school.
12
Identify the following symbol:
Parameter
Sample Proportion
Population Proportion
Probability
13
Choose the best answer.
15.9%
2.28%
33.4%
47.2%
14
Choose the best answer.
300
385
383
384
15
Choose the best answer.
0.0475
0.0566
0.0949
0.0033
16
Which of the following is FALSE about the Central Limit Theorem?
As n increases, the center remains at μ
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
17
Identify the following symbol
Goodness of Fit Test
Chi-Squared
Unknown Variable Squared
X-Squared
18
Identify the following symbol
Sample size
Population size
Normal curve
Unknown number
19
Choose the best answer.
108
12
27
123
20
Identify the following symbol:
Sample Mean
Sample distribution
Difference of Two Means
Population Mean
21
Choose the best answer.
15
720
120
24
22
Identify the following symbol:
Population standard deviation
Sample standard deviation
Standard deviation of a random variable
Whistle and X
23
Choose the best answer.
SRS of 1000 rates from 100 randomly selected branches in U.S
Thousands of rates from all branches in the Midwest
Loan rates from 10 of your neighbors who bank locally.
Less than one hundred loan rates from one branch in a town
24
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 distribution means are zero
Both depend on degrees of freedom
25
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
10% probability that the mean age is not between 4.6 & 6.3
90% of attendees' age falls between 4.6 & 6.3 years
26
Identify the following symbol
Chi-Square
Population standard deviation
Standard Deviation
Variance
27
Identify the following symbol:
Population
Sample proportion
Population proportion
Difference in two proportions
28
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
29
Choose the best answer.
19/20
15/19
3/8
19/40
30
Which of the following is a qualitative variable?
I & II
I
II & III
III
31
Choose the best answer.
Mean: 88; Median: 90
Mean: 86; Median: 88
Mean: 84; Median: 90
Mean: 88; Median: 86
32
Which of the following data sets has the largest standard deviation?
(1, 3, 5, 7, 9}
{1, 4, 7, 10, 13}
{1, 1, 3, 5, 5}
{1, 2, 3, 4, 5|
33
Choose the best answer
The study was a single-blind study
The samples were random so the results should not be biased
There is a convenience sampling bias present for Suzy & John
The results will generalize because surveys were identical
34
Which measure of center is best for skewed data?
Standard Deviation
Median
Interquartile Range
Mean
35
Choose the best answer.
0.18
0.45
0.30
0.24
36
Identify the following symbol
Mean of Chi
Population Mean
Sample Mean
Chi-Squared
37
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
38
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.
39
Which test is appropriate for analyzing categorical data?
1-sample t-test
2 sample t-test
z-test
chi-square test
40
When using the rejection region approach, when should you reject the null hypothesis?
Test statistics falls within the rejection region
The p-value of the test statistic is less than α
The test statistic falls outside the rejection region
The p-value is greater than α
41
Identify the symbol μ_X
Mean of a random variable
Population Mean
Sample Mean
Mean of a distribution
42
Which of the following is NOT a method of random sampling?
Stratified
Cluster
Systematic
Volunteer
43
Identify the following symbol:
Empirical Rule
Expected Value
Function E(X)
Exception
44
If a study has three factors, each with three levels, how many treatments are there?
4
5
9
6
45
Calculate the IQR for the following data
15
13
4
7
46
Choose the best answer.
0.13
0.45
0.70
0.42

AP Statistics End of Year Review Flashcards | StudBud

AP Statistics End of Year Review

46 termsStudBud Administration

A #math #AP #statistics Quiz to review for the AP Exam

Flashcards46 cardsFPractice quizPHost liveL

Questions 46

Answers

1
Identify the following symbol
Sample Standard Deviation
Population Variance
Population Standard Deviation
Sample Variance
2
Identify the following symbol:
Null Hypothesis
Hope you studied!
Alternative Hypothesis
Ho Ho Ho! Santa's here!
3
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.
No, the coin is not really fair so it could be heads again
Yes. Law of large #s says 50% are tails, so tails is overdue
4
Identify the following symbol:
Sequence or Series
Standard Error
Population Standard Deviation
Sample Standard Deviation
5
Identify the following symbol
Alternative Hypothesis
Ha Ha! That joke was FUNNY!
Null Hypothesis
Handle With Care
6
Choose the best answer.
Bar Chart
Stemplot
Histogram
Dotplot
7
Choose the best answer.
Control
Block
Placebo
Experimental
8
Identify the following symbol
Sample size
Population size
N for Niesner
Number
9
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 the effect size increases
It increases as β increases
10
Choose the best answer.
Claiming all children do not sleep 8 hrs, when they do.
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 hours when it is true
11
Choose the best answer.
All faculty, staff, and students at the school.
All students at the school
All high school students in the country.
All freshman at the school.
12
Identify the following symbol:
Parameter
Sample Proportion
Population Proportion
Probability
13
Choose the best answer.
15.9%
2.28%
33.4%
47.2%
14
Choose the best answer.
300
385
383
384
15
Choose the best answer.
0.0475
0.0566
0.0949
0.0033
16
Which of the following is FALSE about the Central Limit Theorem?
As n increases, the center remains at μ
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
17
Identify the following symbol
Goodness of Fit Test
Chi-Squared
Unknown Variable Squared
X-Squared
18
Identify the following symbol
Sample size
Population size
Normal curve
Unknown number
19
Choose the best answer.
108
12
27
123
20
Identify the following symbol:
Sample Mean
Sample distribution
Difference of Two Means
Population Mean
21
Choose the best answer.
15
720
120
24
22
Identify the following symbol:
Population standard deviation
Sample standard deviation
Standard deviation of a random variable
Whistle and X
23
Choose the best answer.
SRS of 1000 rates from 100 randomly selected branches in U.S
Thousands of rates from all branches in the Midwest
Loan rates from 10 of your neighbors who bank locally.
Less than one hundred loan rates from one branch in a town
24
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 distribution means are zero
Both depend on degrees of freedom
25
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
10% probability that the mean age is not between 4.6 & 6.3
90% of attendees' age falls between 4.6 & 6.3 years
26
Identify the following symbol
Chi-Square
Population standard deviation
Standard Deviation
Variance
27
Identify the following symbol:
Population
Sample proportion
Population proportion
Difference in two proportions
28
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
29
Choose the best answer.
19/20
15/19
3/8
19/40
30
Which of the following is a qualitative variable?
I & II
I
II & III
III
31
Choose the best answer.
Mean: 88; Median: 90
Mean: 86; Median: 88
Mean: 84; Median: 90
Mean: 88; Median: 86
32
Which of the following data sets has the largest standard deviation?
(1, 3, 5, 7, 9}
{1, 4, 7, 10, 13}
{1, 1, 3, 5, 5}
{1, 2, 3, 4, 5|
33
Choose the best answer
The study was a single-blind study
The samples were random so the results should not be biased
There is a convenience sampling bias present for Suzy & John
The results will generalize because surveys were identical
34
Which measure of center is best for skewed data?
Standard Deviation
Median
Interquartile Range
Mean
35
Choose the best answer.
0.18
0.45
0.30
0.24
36
Identify the following symbol
Mean of Chi
Population Mean
Sample Mean
Chi-Squared
37
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
38
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.
39
Which test is appropriate for analyzing categorical data?
1-sample t-test
2 sample t-test
z-test
chi-square test
40
When using the rejection region approach, when should you reject the null hypothesis?
Test statistics falls within the rejection region
The p-value of the test statistic is less than α
The test statistic falls outside the rejection region
The p-value is greater than α
41
Identify the symbol μ_X
Mean of a random variable
Population Mean
Sample Mean
Mean of a distribution
42
Which of the following is NOT a method of random sampling?
Stratified
Cluster
Systematic
Volunteer
43
Identify the following symbol:
Empirical Rule
Expected Value
Function E(X)
Exception
44
If a study has three factors, each with three levels, how many treatments are there?
4
5
9
6
45
Calculate the IQR for the following data
15
13
4
7
46
Choose the best answer.
0.13
0.45
0.70
0.42