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 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 Central Limit Theorem?

It is only valid if the population distribution is Normal

Why is replication a good practice in experimental designs?

It allows for chance variation to be estimated.

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

Identify the following symbol:

Standard deviation of a random variable

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

It is calculated directly from Type I error

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.

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

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

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