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

Both depend on degrees of freedom

Identify the following symbol:

Standard deviation of a random variable

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

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

What is this child's name?

The G.O.A.T., IVWhatever, Lloyd Jackson

Choose the best answer

There is a convenience sampling bias present for Suzy & John

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

Why is replication a good practice in experimental designs?

It allows for chance variation to be estimated.

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

It is only valid if the population distribution is Normal

Choose the best answer.

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

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.

studbud

AP Statistics End of Year Review

47 termsStudBud Administration15 plays

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

Flashcards47 cardsFPractice quizPHost liveL

Questions 47

Answers

1
Which of the following is a qualitative variable?
I
II & III
I & II
III
2
Which measure of center is best for skewed data?
Interquartile Range
Mean
Standard Deviation
Median
3
Choose the best answer.
15.9%
47.2%
33.4%
2.28%
4
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 continuous distributions
Both are symmetric about the mean
5
Identify the following symbol:
Alternative Hypothesis
Null Hypothesis
Ho Ho Ho! Santa's here!
Hope you studied!
6
Identify the following symbol
Chi-Squared
Unknown Variable Squared
X-Squared
Goodness of Fit Test
7
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.
8
Identify the following symbol:
Empirical Rule
Expected Value
Exception
Function E(X)
9
Which of the following data sets has the largest standard deviation?
{1, 2, 3, 4, 5|
(1, 3, 5, 7, 9}
{1, 1, 3, 5, 5}
{1, 4, 7, 10, 13}
10
Identify the following symbol:
Whistle and X
Population standard deviation
Standard deviation of a random variable
Sample standard deviation
11
When should you reject the null hypothesis?
Test statistics falls within the rejection region
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
12
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.
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
13
Identify the following symbol:
Population
Population proportion
Sample proportion
Difference in two proportions
14
Choose the best answer.
108
27
12
123
15
Identify the following symbol
Normal curve
Population size
Sample size
Unknown number
16
Identify the following symbol
Sample Variance
Population Variance
Sample Standard Deviation
Population Standard Deviation
17
Identify the symbol μ_X
Mean of a distribution
Mean of a random variable
Population Mean
Sample Mean
18
Choose the best answer.
0.24
0.18
0.30
0.45
19
Which of the following is FALSE about the power of a test?
It increases as the effect size increases
It is calculated directly from Type I error
It increases as the Type I error rate increases
It decreases as β increases
20
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
21
Choose the best answer.
120
15
720
24
22
Identify the following symbol
Standard Deviation
Chi-Square
Variance
Population standard deviation
23
Choose the best answer.
Mean: 88; Median: 90
Mean: 84; Median: 90
Mean: 86; Median: 88
Mean: 88; Median: 86
24
What is this child's name?
The G.O.A.T.
Karen
IVWhatever
Lloyd Jackson
25
Choose the best answer
The samples were random so the results should not be biased
The results will generalize because surveys were identical
The study was a single-blind study
There is a convenience sampling bias present for Suzy & John
26
Choose the best answer.
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
90% of attendees' age falls between 4.6 & 6.3 years
27
Identify the following symbol
Null Hypothesis
Alternative Hypothesis
Ha Ha! That joke was FUNNY!
Handle With Care
28
Identify the following symbol:
Sample Standard Deviation
Sequence or Series
Standard Error
Population Standard Deviation
29
If a study has three factors, each with three levels, how many treatments are there?
9
6
5
4
30
Choose the best answer.
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
Study about HS students but survey only given to girls
31
Why is replication a good practice in experimental designs?
It eliminates chance variation.
It "controls" the effects of known factors.
It makes a study random.
It allows for chance variation to be estimated.
32
Choose the best answer.
0.45
0.13
0.70
0.42
33
Choose the best answer.
0.0475
0.0033
0.0949
0.0566
34
Which of the following is FALSE about the Central Limit Theorem?
Distribution of sample mean is more peaked as n increases
The sample distribution becomes more Normal as n increases
As n increases, the center remains at μ
It is only valid if the population distribution is Normal
35
Choose the best answer.
15/19
19/20
19/40
3/8
36
Choose the best answer.
Dotplot
Histogram
Stemplot
Bar Chart
37
Choose the best answer.
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.
SRS of 1000 rates from 100 randomly selected branches in U.S
38
Identify the following symbol:
Probability
Sample Proportion
Parameter
Population Proportion
39
Choose the best answer.
Experimental
Control
Placebo
Block
40
Which of the following is NOT a method of random sampling?
Stratified
Volunteer
Systematic
Cluster
41
Identify the following symbol
Mean of Chi
Sample Mean
Population Mean
Chi-Squared
42
Identify the following symbol
Sample size
Population size
Number
N for Niesner
43
Identify the following symbol:
Sample Mean
Sample distribution
Population Mean
Difference of Two Means
44
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 it is not true
Failing to reject the claim that all children sleep 8 hours
Claiming all children do not sleep 8 hrs, when they do.
45
Choose the best answer.
383
300
384
385
46
Which test is appropriate for analyzing categorical data?
1-sample t-test
2 sample t-test
z-test
chi-square test
47
Calculate the IQR for the following data
15
7
13
4

AP Statistics End of Year Review Flashcards | StudBud

AP Statistics End of Year Review

47 termsStudBud Administration15 plays

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

Flashcards47 cardsFPractice quizPHost liveL

Questions 47

Answers

1
Which of the following is a qualitative variable?
I
II & III
I & II
III
2
Which measure of center is best for skewed data?
Interquartile Range
Mean
Standard Deviation
Median
3
Choose the best answer.
15.9%
47.2%
33.4%
2.28%
4
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 continuous distributions
Both are symmetric about the mean
5
Identify the following symbol:
Alternative Hypothesis
Null Hypothesis
Ho Ho Ho! Santa's here!
Hope you studied!
6
Identify the following symbol
Chi-Squared
Unknown Variable Squared
X-Squared
Goodness of Fit Test
7
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.
8
Identify the following symbol:
Empirical Rule
Expected Value
Exception
Function E(X)
9
Which of the following data sets has the largest standard deviation?
{1, 2, 3, 4, 5|
(1, 3, 5, 7, 9}
{1, 1, 3, 5, 5}
{1, 4, 7, 10, 13}
10
Identify the following symbol:
Whistle and X
Population standard deviation
Standard deviation of a random variable
Sample standard deviation
11
When should you reject the null hypothesis?
Test statistics falls within the rejection region
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
12
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.
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
13
Identify the following symbol:
Population
Population proportion
Sample proportion
Difference in two proportions
14
Choose the best answer.
108
27
12
123
15
Identify the following symbol
Normal curve
Population size
Sample size
Unknown number
16
Identify the following symbol
Sample Variance
Population Variance
Sample Standard Deviation
Population Standard Deviation
17
Identify the symbol μ_X
Mean of a distribution
Mean of a random variable
Population Mean
Sample Mean
18
Choose the best answer.
0.24
0.18
0.30
0.45
19
Which of the following is FALSE about the power of a test?
It increases as the effect size increases
It is calculated directly from Type I error
It increases as the Type I error rate increases
It decreases as β increases
20
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
21
Choose the best answer.
120
15
720
24
22
Identify the following symbol
Standard Deviation
Chi-Square
Variance
Population standard deviation
23
Choose the best answer.
Mean: 88; Median: 90
Mean: 84; Median: 90
Mean: 86; Median: 88
Mean: 88; Median: 86
24
What is this child's name?
The G.O.A.T.
Karen
IVWhatever
Lloyd Jackson
25
Choose the best answer
The samples were random so the results should not be biased
The results will generalize because surveys were identical
The study was a single-blind study
There is a convenience sampling bias present for Suzy & John
26
Choose the best answer.
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
90% of attendees' age falls between 4.6 & 6.3 years
27
Identify the following symbol
Null Hypothesis
Alternative Hypothesis
Ha Ha! That joke was FUNNY!
Handle With Care
28
Identify the following symbol:
Sample Standard Deviation
Sequence or Series
Standard Error
Population Standard Deviation
29
If a study has three factors, each with three levels, how many treatments are there?
9
6
5
4
30
Choose the best answer.
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
Study about HS students but survey only given to girls
31
Why is replication a good practice in experimental designs?
It eliminates chance variation.
It "controls" the effects of known factors.
It makes a study random.
It allows for chance variation to be estimated.
32
Choose the best answer.
0.45
0.13
0.70
0.42
33
Choose the best answer.
0.0475
0.0033
0.0949
0.0566
34
Which of the following is FALSE about the Central Limit Theorem?
Distribution of sample mean is more peaked as n increases
The sample distribution becomes more Normal as n increases
As n increases, the center remains at μ
It is only valid if the population distribution is Normal
35
Choose the best answer.
15/19
19/20
19/40
3/8
36
Choose the best answer.
Dotplot
Histogram
Stemplot
Bar Chart
37
Choose the best answer.
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.
SRS of 1000 rates from 100 randomly selected branches in U.S
38
Identify the following symbol:
Probability
Sample Proportion
Parameter
Population Proportion
39
Choose the best answer.
Experimental
Control
Placebo
Block
40
Which of the following is NOT a method of random sampling?
Stratified
Volunteer
Systematic
Cluster
41
Identify the following symbol
Mean of Chi
Sample Mean
Population Mean
Chi-Squared
42
Identify the following symbol
Sample size
Population size
Number
N for Niesner
43
Identify the following symbol:
Sample Mean
Sample distribution
Population Mean
Difference of Two Means
44
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 it is not true
Failing to reject the claim that all children sleep 8 hours
Claiming all children do not sleep 8 hrs, when they do.
45
Choose the best answer.
383
300
384
385
46
Which test is appropriate for analyzing categorical data?
1-sample t-test
2 sample t-test
z-test
chi-square test
47
Calculate the IQR for the following data
15
7
13
4