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 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

Choose the best answer.

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

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

It is only valid if the population distribution is Normal

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

Both depend on degrees of freedom

Why is replication a good practice in experimental designs?

It allows for chance variation to be estimated.

Choose the best answer.

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

Identify the following symbol:

Standard deviation of a random variable

Choose the best answer.

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

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.

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

Test statistics falls within the rejection region

studbud

Statistics End of Year Review

47 termsStudBud Administration10 plays

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

Flashcards47 cardsFPractice quizPHost liveL

Questions 47

Answers

1
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
2
Choose the best answer.
19/20
3/8
19/40
15/19
3
Identify the following symbol
Null Hypothesis
Alternative Hypothesis
Ha Ha! That joke was FUNNY!
Handle With Care
4
Which of the following is FALSE about the power of a test?
It is calculated directly from Type I error
It increases as the effect size increases
It increases as the Type I error rate increases
It increases as β increases
5
Choose the best answer.
0.18
0.24
0.30
0.45
6
Choose the best answer
There is a convenience sampling bias present for Suzy & John
The study was a single-blind study
The samples were random so the results should not be biased
The results will generalize because surveys were identical
7
Identify the following symbol:
Sample Standard Deviation
Standard Error
Sequence or Series
Population Standard Deviation
8
Choose the best answer.
Mean: 88; Median: 86
Mean: 86; Median: 88
Mean: 88; Median: 90
Mean: 84; Median: 90
9
Which of the following data sets has the largest standard deviation?
{1, 4, 7, 10, 13}
{1, 1, 3, 5, 5}
{1, 2, 3, 4, 5|
(1, 3, 5, 7, 9}
10
Choose the best answer.
Experimental
Control
Placebo
Block
11
Choose the best answer.
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
Texting & driving survey given in front of teen's parents
12
Which of the following is NOT a method of random sampling?
Systematic
Stratified
Volunteer
Cluster
13
Choose the best answer.
All faculty, staff, and students at the school.
All freshman at the school.
All students at the school
All high school students in the country.
14
Identify the following symbol:
Alternative Hypothesis
Null Hypothesis
Hope you studied!
Ho Ho Ho! Santa's here!
15
Identify the following symbol:
Probability
Population Proportion
Sample Proportion
Parameter
16
Choose the best answer.
2.28%
33.4%
47.2%
15.9%
17
Identify the following symbol:
Sample Mean
Difference of Two Means
Population Mean
Sample distribution
18
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
19
Which is NOT a similarity between the t-distribution and the standard Normal distribution?
Both distribution means are zero
Both are symmetric about the mean
Both are continuous distributions
Both depend on degrees of freedom
20
If a study has three factors, each with three levels, how many treatments are there?
6
4
5
9
21
Which measure of center is best for skewed data?
Mean
Interquartile Range
Median
Standard Deviation
22
Calculate the IQR for the following data
13
4
15
7
23
Identify the following symbol
Population size
N for Niesner
Sample size
Number
24
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.
25
Which test is appropriate for analyzing categorical data?
chi-square test
1-sample t-test
2 sample t-test
z-test
26
Choose the best answer.
0.0033
0.0475
0.0949
0.0566
27
Identify the following symbol
Sample size
Normal curve
Population size
Unknown number
28
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.
29
Choose the best answer.
12
108
27
123
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
Identify the following symbol
Sample Standard Deviation
Population Standard Deviation
Sample Variance
Population Variance
32
Choose the best answer.
0.45
0.70
0.42
0.13
33
Identify the following symbol:
Sample standard deviation
Standard deviation of a random variable
Population standard deviation
Whistle and X
34
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
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.
35
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.
No, the coin is not really fair so it could be heads again
Yes. With so many heads, a tail MUST be next.
36
Identify the following symbol:
Population
Sample proportion
Population proportion
Difference in two proportions
37
Choose the best answer.
385
300
384
383
38
Identify the following symbol:
Exception
Empirical Rule
Function E(X)
Expected Value
39
Which of the following is a qualitative variable?
I & II
I
II & III
III
40
Choose the best answer.
24
15
720
120
41
Identify the following symbol
Population standard deviation
Chi-Square
Variance
Standard Deviation
42
Identify the following symbol
Chi-Squared
Goodness of Fit Test
Unknown Variable Squared
X-Squared
43
Identify the symbol μ_X
Mean of a distribution
Sample Mean
Population Mean
Mean of a random variable
44
When using the rejection region approach, when should you reject the null hypothesis?
The p-value is greater than α
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
45
Choose the best answer.
Histogram
Dotplot
Bar Chart
Stemplot
46
Identify the following symbol
Population Mean
Mean of Chi
Chi-Squared
Sample Mean
47
Ms. Niesner is the best AP Stats teacher ever!!!
Whatever
Meh
True
False

Statistics End of Year Review Flashcards | StudBud

Statistics End of Year Review

47 termsStudBud Administration10 plays

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

Flashcards47 cardsFPractice quizPHost liveL

Questions 47

Answers

1
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
2
Choose the best answer.
19/20
3/8
19/40
15/19
3
Identify the following symbol
Null Hypothesis
Alternative Hypothesis
Ha Ha! That joke was FUNNY!
Handle With Care
4
Which of the following is FALSE about the power of a test?
It is calculated directly from Type I error
It increases as the effect size increases
It increases as the Type I error rate increases
It increases as β increases
5
Choose the best answer.
0.18
0.24
0.30
0.45
6
Choose the best answer
There is a convenience sampling bias present for Suzy & John
The study was a single-blind study
The samples were random so the results should not be biased
The results will generalize because surveys were identical
7
Identify the following symbol:
Sample Standard Deviation
Standard Error
Sequence or Series
Population Standard Deviation
8
Choose the best answer.
Mean: 88; Median: 86
Mean: 86; Median: 88
Mean: 88; Median: 90
Mean: 84; Median: 90
9
Which of the following data sets has the largest standard deviation?
{1, 4, 7, 10, 13}
{1, 1, 3, 5, 5}
{1, 2, 3, 4, 5|
(1, 3, 5, 7, 9}
10
Choose the best answer.
Experimental
Control
Placebo
Block
11
Choose the best answer.
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
Texting & driving survey given in front of teen's parents
12
Which of the following is NOT a method of random sampling?
Systematic
Stratified
Volunteer
Cluster
13
Choose the best answer.
All faculty, staff, and students at the school.
All freshman at the school.
All students at the school
All high school students in the country.
14
Identify the following symbol:
Alternative Hypothesis
Null Hypothesis
Hope you studied!
Ho Ho Ho! Santa's here!
15
Identify the following symbol:
Probability
Population Proportion
Sample Proportion
Parameter
16
Choose the best answer.
2.28%
33.4%
47.2%
15.9%
17
Identify the following symbol:
Sample Mean
Difference of Two Means
Population Mean
Sample distribution
18
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
19
Which is NOT a similarity between the t-distribution and the standard Normal distribution?
Both distribution means are zero
Both are symmetric about the mean
Both are continuous distributions
Both depend on degrees of freedom
20
If a study has three factors, each with three levels, how many treatments are there?
6
4
5
9
21
Which measure of center is best for skewed data?
Mean
Interquartile Range
Median
Standard Deviation
22
Calculate the IQR for the following data
13
4
15
7
23
Identify the following symbol
Population size
N for Niesner
Sample size
Number
24
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.
25
Which test is appropriate for analyzing categorical data?
chi-square test
1-sample t-test
2 sample t-test
z-test
26
Choose the best answer.
0.0033
0.0475
0.0949
0.0566
27
Identify the following symbol
Sample size
Normal curve
Population size
Unknown number
28
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.
29
Choose the best answer.
12
108
27
123
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
Identify the following symbol
Sample Standard Deviation
Population Standard Deviation
Sample Variance
Population Variance
32
Choose the best answer.
0.45
0.70
0.42
0.13
33
Identify the following symbol:
Sample standard deviation
Standard deviation of a random variable
Population standard deviation
Whistle and X
34
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
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.
35
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.
No, the coin is not really fair so it could be heads again
Yes. With so many heads, a tail MUST be next.
36
Identify the following symbol:
Population
Sample proportion
Population proportion
Difference in two proportions
37
Choose the best answer.
385
300
384
383
38
Identify the following symbol:
Exception
Empirical Rule
Function E(X)
Expected Value
39
Which of the following is a qualitative variable?
I & II
I
II & III
III
40
Choose the best answer.
24
15
720
120
41
Identify the following symbol
Population standard deviation
Chi-Square
Variance
Standard Deviation
42
Identify the following symbol
Chi-Squared
Goodness of Fit Test
Unknown Variable Squared
X-Squared
43
Identify the symbol μ_X
Mean of a distribution
Sample Mean
Population Mean
Mean of a random variable
44
When using the rejection region approach, when should you reject the null hypothesis?
The p-value is greater than α
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
45
Choose the best answer.
Histogram
Dotplot
Bar Chart
Stemplot
46
Identify the following symbol
Population Mean
Mean of Chi
Chi-Squared
Sample Mean
47
Ms. Niesner is the best AP Stats teacher ever!!!
Whatever
Meh
True
False