Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. for questions 1 and 2, refer to the following: the

For questions 1 and 2, refer to the following: The Federal Trade Commission provided measured tar contents...

70.2K

Verified Solution

Question

Statistics

Forquestions 1 and 2, refer to the following: The FederalTrade Commission provided measured tar contents (in mg) of randomlyselected filtered and nonfiltered king-size cigarettes. A randomsample of 21 filtered king-size cigarettes has a mean tar contentof 13.3 mg with standard deviation 3.7 mg. A random sample of 8nonfiltered king-size cigarettes has a mean tar content of 24.0 mgwith standard deviation 1.7 mg. Assuming unequal variances betweenthe two populations of cigarettes, you need to test the claim thatthe mean amount of tar in filtered king-size cigarettes is lessthan the mean amount of tar in nonfiltered king-size cigarettes ata

0.05 significance level.

  1. What is the most appropriate statistical test?
    1. Two-sample z-test
    2. Two-sample t-test (pooled variance)
    3. Two-sample t-test (unpooled variance)
    4. Paired t test
    5. Two-way ANOVA
  1. What should you use for the value of the test statistic?

a. -17.16

b. -10.70

c. -10.63

d. -7.80

e. -1.90

Answer & Explanation Solved by verified expert
4.5 Ratings (625 Votes)
The correct option is C ie Two samplettestunpooled varianceThe null and alternative hypothesis isThe formula for the twosample ttest    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Zin AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

flowing There are two observers A and B observing electric field E and magnetic Sec...

Physics
Q

A particle is projected up with an initial velocity of 80ft sec The ball will...

Physics
Q

Andrea is buying some new shirts and sweaters. She is able to buy 10 shirts...

Basic Math
Q

Question 5 Multiple Choice Worth 4 points Business Costs LC Zion Sun Chairs manufactures 3...

Statistics
Q

Use both the washer method and the shell method to find the volume of the...

Calculus
Q

Find the value of f 4 y f x 10 8 6 4 2 10...

Algebra
Q

Svahn, AB, is a Swedish manufacturer of sailing yachts. The company has assembled the information...

Accounting
Q

Problem 10: Browny Brads Beach Motel (BBBM), a forty-room lodging facility, has operated for the...

Accounting
Q

25. Alpha failed to record the following AJE: The Sales account includes a $5,000 payment...

Accounting
Q

The following information is availahle for Sheffield Cornoration for the year ended December 31, 2018....

Accounting
Q

I would like to get an analysis from the balance sheets i just upload. Appendix...

Accounting
Q

The Alford Group had 220,000 shares of common stock outstanding at January 1, 2018. The...

Accounting