Choose the best answer.

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

Choose the best answer.

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

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

Test statistics falls within the rejection region

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

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

It is calculated directly from Type I error

Choose the best answer

There is a convenience sampling bias present for Suzy & John

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

Why is replication a good practice in experimental designs?

It allows for chance variation to be estimated.

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.

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.

studbud

AP Statistics End of Year Review

46 termsStudBud Administration23 plays

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

Flashcards46 cardsFPractice quizPHost liveL

Questions 46

Answers

1
Choose the best answer.
0.42
0.45
0.13
0.70
2
Identify the following symbol:
Ho Ho Ho! Santa's here!
Hope you studied!
Alternative Hypothesis
Null Hypothesis
3
Identify the following symbol
Unknown number
Normal curve
Sample size
Population size
4
Calculate the IQR for the following data
15
13
4
7
5
Choose the best answer.
0.0566
0.0033
0.0475
0.0949
6
Choose the best answer.
0.45
0.18
0.24
0.30
7
Identify the following symbol
Sample Mean
Population Mean
Chi-Squared
Mean of Chi
8
Choose the best answer.
All high school students in the country.
All faculty, staff, and students at the school.
All freshman at the school.
All students at the school
9
Which of the following is a qualitative variable?
I
I & II
II & III
III
10
Identify the following symbol:
Population Mean
Sample Mean
Difference of Two Means
Sample distribution
11
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
12
If a study has three factors, each with three levels, how many treatments are there?
4
9
6
5
13
Choose the best answer.
300
384
383
385
14
Choose the best answer.
90% of attendees' age falls between 4.6 & 6.3 years
90% of pop. sampled, and their ages are between 4.6 & 6.3
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
15
When using the rejection region approach, when should you reject the null hypothesis?
The p-value of the test statistic is less than α
Test statistics falls within the rejection region
The test statistic falls outside the rejection region
The p-value is greater than α
16
Identify the following symbol
Population Variance
Sample Standard Deviation
Sample Variance
Population Standard Deviation
17
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
Less than one hundred loan rates from one branch in a town
Loan rates from 10 of your neighbors who bank locally.
18
Choose the best answer.
120
15
24
720
19
Identify the following symbol:
Population proportion
Sample proportion
Population
Difference in two proportions
20
Identify the following symbol
Population size
Sample size
N for Nowakowski
Number
21
Identify the symbol μ_X
Population Mean
Mean of a distribution
Sample Mean
Mean of a random variable
22
Which is NOT a similarity between the t-distribution and the standard Normal distribution?
Both distribution means are zero
Both are continuous distributions
Both are symmetric about the mean
Both depend on degrees of freedom
23
Choose the best answer.
108
27
123
12
24
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 β increases
It increases as the effect size increases
25
Which test is appropriate for analyzing categorical data?
1-sample t-test
z-test
chi-square test
2 sample t-test
26
Choose the best answer
The results will generalize because surveys were identical
The samples were random so the results should not be biased
The study was a single-blind study
There is a convenience sampling bias present for Suzy & John
27
Which of the following is FALSE about the Central Limit Theorem?
As n increases, the center remains at μ
Distribution of sample mean is more peaked as n increases
The sample distribution becomes more Normal as n increases
It is only valid if the population distribution is Normal
28
Identify the following symbol:
Standard deviation of a random variable
Population standard deviation
Sample standard deviation
Whistle and X
29
Which measure of center is best for skewed data?
Standard Deviation
Median
Interquartile Range
Mean
30
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
31
Choose the best answer.
Stemplot
Dotplot
Bar Chart
Histogram
32
Choose the best answer.
15.9%
2.28%
33.4%
47.2%
33
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.
34
Identify the following symbol:
Sequence or Series
Standard Error
Population Standard Deviation
Sample Standard Deviation
35
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.
Failing to reject the claim that all children sleep 8 hours
Claiming all children do not sleep 8 hrs when it is not true
36
Which of the following is NOT a method of random sampling?
Volunteer
Systematic
Stratified
Cluster
37
Identify the following symbol
X-Squared
Chi-Squared
Unknown Variable Squared
Goodness of Fit Test
38
Identify the following symbol
Ha Ha! That joke was FUNNY!
Null Hypothesis
Alternative Hypothesis
Handle With Care
39
Choose the best answer.
15/19
19/20
19/40
3/8
40
Choose the best answer.
Mean: 84; Median: 90
Mean: 88; Median: 86
Mean: 86; Median: 88
Mean: 88; Median: 90
41
Identify the following symbol
Chi-Square
Variance
Standard Deviation
Population standard deviation
42
Identify the following symbol:
Expected Value
Exception
Function E(X)
Empirical Rule
43
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
44
Identify the following symbol:
Parameter
Sample Proportion
Population Proportion
Probability
45
Choose the best answer.
Control
Experimental
Placebo
Block
46
Which of the following data sets has the largest standard deviation?
{1, 4, 7, 10, 13}
{1, 2, 3, 4, 5|
(1, 3, 5, 7, 9}
{1, 1, 3, 5, 5}

AP Statistics End of Year Review Flashcards | StudBud

AP Statistics End of Year Review

46 termsStudBud Administration23 plays

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

Flashcards46 cardsFPractice quizPHost liveL

Questions 46

Answers

1
Choose the best answer.
0.42
0.45
0.13
0.70
2
Identify the following symbol:
Ho Ho Ho! Santa's here!
Hope you studied!
Alternative Hypothesis
Null Hypothesis
3
Identify the following symbol
Unknown number
Normal curve
Sample size
Population size
4
Calculate the IQR for the following data
15
13
4
7
5
Choose the best answer.
0.0566
0.0033
0.0475
0.0949
6
Choose the best answer.
0.45
0.18
0.24
0.30
7
Identify the following symbol
Sample Mean
Population Mean
Chi-Squared
Mean of Chi
8
Choose the best answer.
All high school students in the country.
All faculty, staff, and students at the school.
All freshman at the school.
All students at the school
9
Which of the following is a qualitative variable?
I
I & II
II & III
III
10
Identify the following symbol:
Population Mean
Sample Mean
Difference of Two Means
Sample distribution
11
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
12
If a study has three factors, each with three levels, how many treatments are there?
4
9
6
5
13
Choose the best answer.
300
384
383
385
14
Choose the best answer.
90% of attendees' age falls between 4.6 & 6.3 years
90% of pop. sampled, and their ages are between 4.6 & 6.3
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
15
When using the rejection region approach, when should you reject the null hypothesis?
The p-value of the test statistic is less than α
Test statistics falls within the rejection region
The test statistic falls outside the rejection region
The p-value is greater than α
16
Identify the following symbol
Population Variance
Sample Standard Deviation
Sample Variance
Population Standard Deviation
17
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
Less than one hundred loan rates from one branch in a town
Loan rates from 10 of your neighbors who bank locally.
18
Choose the best answer.
120
15
24
720
19
Identify the following symbol:
Population proportion
Sample proportion
Population
Difference in two proportions
20
Identify the following symbol
Population size
Sample size
N for Nowakowski
Number
21
Identify the symbol μ_X
Population Mean
Mean of a distribution
Sample Mean
Mean of a random variable
22
Which is NOT a similarity between the t-distribution and the standard Normal distribution?
Both distribution means are zero
Both are continuous distributions
Both are symmetric about the mean
Both depend on degrees of freedom
23
Choose the best answer.
108
27
123
12
24
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 β increases
It increases as the effect size increases
25
Which test is appropriate for analyzing categorical data?
1-sample t-test
z-test
chi-square test
2 sample t-test
26
Choose the best answer
The results will generalize because surveys were identical
The samples were random so the results should not be biased
The study was a single-blind study
There is a convenience sampling bias present for Suzy & John
27
Which of the following is FALSE about the Central Limit Theorem?
As n increases, the center remains at μ
Distribution of sample mean is more peaked as n increases
The sample distribution becomes more Normal as n increases
It is only valid if the population distribution is Normal
28
Identify the following symbol:
Standard deviation of a random variable
Population standard deviation
Sample standard deviation
Whistle and X
29
Which measure of center is best for skewed data?
Standard Deviation
Median
Interquartile Range
Mean
30
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
31
Choose the best answer.
Stemplot
Dotplot
Bar Chart
Histogram
32
Choose the best answer.
15.9%
2.28%
33.4%
47.2%
33
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.
34
Identify the following symbol:
Sequence or Series
Standard Error
Population Standard Deviation
Sample Standard Deviation
35
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.
Failing to reject the claim that all children sleep 8 hours
Claiming all children do not sleep 8 hrs when it is not true
36
Which of the following is NOT a method of random sampling?
Volunteer
Systematic
Stratified
Cluster
37
Identify the following symbol
X-Squared
Chi-Squared
Unknown Variable Squared
Goodness of Fit Test
38
Identify the following symbol
Ha Ha! That joke was FUNNY!
Null Hypothesis
Alternative Hypothesis
Handle With Care
39
Choose the best answer.
15/19
19/20
19/40
3/8
40
Choose the best answer.
Mean: 84; Median: 90
Mean: 88; Median: 86
Mean: 86; Median: 88
Mean: 88; Median: 90
41
Identify the following symbol
Chi-Square
Variance
Standard Deviation
Population standard deviation
42
Identify the following symbol:
Expected Value
Exception
Function E(X)
Empirical Rule
43
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
44
Identify the following symbol:
Parameter
Sample Proportion
Population Proportion
Probability
45
Choose the best answer.
Control
Experimental
Placebo
Block
46
Which of the following data sets has the largest standard deviation?
{1, 4, 7, 10, 13}
{1, 2, 3, 4, 5|
(1, 3, 5, 7, 9}
{1, 1, 3, 5, 5}