× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
johnkirk22 johnkirk22
wrote...
Go to Answer
Posts: 369
Rep: 0 0
6 years ago
If data for a time series analysis are collected on a monthly basis only, which component of the time series may be ignored?
 a. Long-term trend c. Seasonal variation
  b. Cyclical variation d. Random variation

Q. 2

The test for the equality of two population variances assumes that each of the two populations is normally distributed.
  Indicate whether the statement is true or false

Q. 3

The NYSE works 5-day work per week. If we want to measure the impact of the day of the week on NYSE performance we would need:
 a. 7 indicator variables c. 5 indicator variables
  b. 6 indicator variables d. 4 indicator variables

Q. 4

The F-test used for testing the difference in 2 population variances is always a one-tailed test.
  Indicate whether the statement is true or false

Q. 5

If we want to measure the seasonal variations on stock market performance by month, we would need:
 a. 50 indicator variables since the stock market has a 5-day work per week
  b. 12 indicator variables to represent the 12 months
  c. 11 indicator variables
  d. 52 indicator variables
Read 636 times
9 Replies
Replies
Answer verified by a subject expert
samsammmmmsamsammmmm
wrote...
#1
Posts: 247
Rep: 2 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free

Related Topics

johnkirk22 Author
wrote...
#2
6 years ago
All are answered correctly
wrote...
#3
6 years ago
Happy to help
wrote...
#4
4 years ago
thank you!
wrote...
#5
4 years ago
1
wrote...
#6
3 years ago
Slight Smile
Axe
wrote...
#7
3 years ago
Thank you!
wrote...
#8
3 years ago
Thank you
wrote...
#9
3 years ago
Thank you!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1135 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 331
  
 350
  
 234
Your Opinion
Which country would you like to visit for its food?
Votes: 204
Previous poll results: Do you trust social media networks with protecting your privacy?