Upload
glenys
View
21
Download
0
Tags:
Embed Size (px)
DESCRIPTION
Edit questions by triple-clicking on the text of the question, and type the new question. Edit the answers in the same manner. 10. 8. 5. 9. 7. 4. 6. 2. 1. 3. Click on the letter of the correct answer. Time's Up!. - PowerPoint PPT Presentation
Citation preview
Which is not a measure of central tendency?
Click on the letter of the correct answer.
Mode
Mean
Maximum
Median
Which of the following is resistant to extreme values?
Click on the letter of the correct answer.
Mean
Range
Maximum
Mode
Which of the following does NOT indicate a positive association?
Click on the letter of the correct answer.
r = .009r = .099
b1 = .456
r2 = .81
r > 0
If the persons in a sample are chosen to meet the demographics of the population, the sample will be
Click on the letter of the correct answer.
A quota sample
A stratified sample
A cluster sample
A voluntary response sample
If representation of all four classes in a high school sample is of importance, which sampling design is appropriate?
Click on the letter of the correct answer.
SRS
Systematic sample
Quota sample
Stratified random sample
Random digit tables and random number generators follow which of the following distributions?
Click on the letter of the correct answer.
uniform
normal
t
binomial
If 10 is added to every value of a data set, which of the following occurs?
Click on the letter of the correct answer.
Mean increases by 10
Median remains the same
Range increases by 10
Mean increases by 100
If a data set is transformed using (x, y) (ln x, ln y), the resulting regression model will be
Click on the letter of the correct answer.
A power model
An exponential model
A quadratic model
A linear model
Sending an innocent person to prison is which of the following?
Click on the letter of the correct answer.
Confidence level
Type I error
Type II error
Power
If the expected value of successes in a binomial experiment of 100 trials is 55, the standard deviation of number of successes is
Click on the letter of the correct answer.
2.23
2.49
4.97
24.75
Order the following from least to greatest: I. Q3, II. Value at 70th percentile,
III. Value with a z-score of 1.
Click on the letter of the correct answer.
I, II, III
III, II, I
II, I, III
III, I, II
The primary reason for use of blocking when designing an experiment is to reduce
Click on the letter of the correct answer.
variation
the need for randomization
bias
confounding
A random sample of size 10 taken from a population has sample variance of 0. Which of the following is true? I. 2 = 0. II. S. mean = s. median III. All 10 pts same.
Click on the letter of the correct answer.
I only
I and II
III only
II and III only
Two events that do not contain any of the same simple events (outcomes) is called
Click on the letter of the correct answer.
independent
empty
mutually exclusive
conditional
When people think that the long-run frequency of an event should apply even in the short-run is referred to as
Click on the letter of the correct answer.
Gambler’s fallacy
Law of large numbers
Law of averages
Law of small numbers
$100!You just won
You are absolutely right!
$200!You just won
That is correct!
$300!You just won
You chose the right answer!
$500!You just won
Great Job! You did it!
$1000!You just won
Excellent! You are pretty smart!
$2000!You just won
Excellent! You are pretty smart!
$4000!You just won
Wow! You must have studied!
$8000!You just won
Awesome! Halfway to one million dollars!
$16,000!You just won
Super! Keep up the hard work!
$32,000!You just won
Wonderful! You’ve reached the next level!
$64,000!You just won
You are on your way! Be careful!
$125,000!You just won
I’ve never seen anything like it!
$250,000!You just won
Fantastic! This is really exciting!
$500,000!You just won
One right answer to go!
Millionaire!
wrong$0
That is not correct.
You leave with
Wrong$1000
That is not correct.
You leave with
Wrong$32,000
That is not correct.
You leave with
Millionaire!
Certificate
April 20, 2023
This certifies that
became a Millionaire on