Brand A gasoline was used in 16 similar automobiles under identical conditions. The corresponding sample of 16
Question:
Brand A gasoline was used in 16 similar automobiles under identical conditions. The corresponding sample of 16 values (miles per gallon) had mean 19.6 and standard deviation 0.4. Under the same conditions, high-power brand B gasoline gave a sample of 16 values with mean 20.2 and standard deviation 0.6. Is the mileage of B significantly better than that of A? Test at the 5% level; assume normality. First guess. Then calculate.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 75% (12 reviews)
Solution Step 1 Find the sample mean for each brand Solution Step 2 The sample standard deviation is ...View the full answer
Answered By
James Warinda
Hi! I’m James Otieno and I'm an experienced professional online tutor with countless hours of success in tutoring many subjects in different disciplines. Specifically, I have handled general management and general business as a tutor in Chegg, Help in Homework and Trans tutor accounts.
I believe that my experience has made me the perfect tutor for students of all ages, so I'm confident I can help you too with finding the solution to your problems. In addition, my approach is compatible with most educational methods and philosophies which means it will be easy for you to find a way in which we can work on things together. In addition, my long experience in the educational field has allowed me to develop a unique approach that is both productive and enjoyable.
I have tutored in course hero for quite some time and was among the top tutors awarded having high helpful rates and reviews. In addition, I have also been lucky enough to be nominated a finalist for the 2nd annual course hero award and the best tutor of the month in may 2022.
I will make sure that any student of yours will have an amazing time at learning with me, because I really care about helping people achieve their goals so if you don't have any worries or concerns whatsoever you should place your trust on me and let me help you get every single thing that you're looking for and more.
In my experience, I have observed that students tend to reach their potential in academics very easily when they are tutored by someone who is extremely dedicated to their academic career not just as a businessman but as a human being in general.
I have successfully tutored many students from different grades and from all sorts of backgrounds, so I'm confident I can help anyone find the solution to their problems and achieve
0.00
0 Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Mathematics questions
-
High Fuel Company markets a gasoline additive for automobiles that it claims will increase a cars miles per gallon (mpg) performance. In an effort to determine whether High Fuels claim is valid, a...
-
The number of miles traveled per gallon of gasoline for a certain car has a mean of 25 and a standard deviation of 2. The tank holds 20 gallons. a. Find the mean number of miles traveled per tank. b....
-
The following are the miles per gallon that a test driver got for 10 tankfuls of each of three kinds of gasoline: Use the Kruskal-Wallis test at the 0.05 level of significance to test whether there...
-
Lucy, a 57-year-old widow, lost her husband in 2021. He was an active participant in the Federal Employees' Retirement System (FERS), and his FERS contributions totaled $27,000 at the time of his...
-
Choose the statement that people are more likely to choose based on the framing of the choice. a. Stock investment: i. Invest in a stock with low uncertainty of return. ii. Invest in a stock with...
-
An alternating current I = I 0 cos ( w t) flows down a long straight wire, and returns along a coaxial conducting tube of radius a. (a) In what direction does the induced electric field point...
-
What are the differences between summary judgment and summary adjudication?
-
Aerostar, Inc., operates as a retailer of casual apparel. A recent, condensed income statement for Aerostar follows: Requirements 1. Assume that the following transactions were inadvertently omitted...
-
Economizer: Answer the following: What does an airside economizer do? When is the airside economizer used in HVAC? How is the economizer an energy saving device? When are conditions "OK to...
-
What are the TutorlDs for tutors who have not yet tutored anyone? Based on the relations shown in Figure 6-12. The database tracks an adult literacy program. Tutors complete a certification class...
-
Find a 95% confidence interval for the variance of a normal population from the sample: The sample in Prob. 9 Data from Prob. 9 Find a 99% confidence interval for the mean of a normal population from...
-
Determine a 99% confidence interval for the mean of a normal population, using the sample 32, 33, 32, 34, 35, 29, 29, 27.
-
A company that records credit purchases in a purchases journal and records purchases returns in a general journal made the following errors. Indicate when each error should be discovered. 1. Posted a...
-
1. A high-speed flywheel in a motor is spinning at 450 rpm when a power failure suddenly occurs. The flywheel has mass 36.0 kg and diameter 80.0 cm. The power is off for 25.0 s, and during this time...
-
Discuss the role of probation in juvenile justice. What are the functions of a juvenile probation officer? Do you think this reduces recidivism? Why, or why not? Provide an overview of risk...
-
Salt and Mineral (SAM) began 2024 with 360 units of its one product. These units were purchased near the end of 2023 for $20 each. During the month of January, 180 units were purchased on January 8...
-
A soccer player is practicing their kick on a field. Initially at rest, an 0.9 kilogram ball is kicked directly toward a fence from a distance 28 meters away, as shown above. The ball's velocity as...
-
Smith company (Smith) purchased a machine on December 2, 2021, at an invoice price of $45,000 with term 3/10, net of 30. On December 6, 2021, Smith paid $540 for the delivery of the machine. On...
-
An archer shoots an arrow at a circular target with a radius of 50 cm. If the arrow hits the target, the distance r between the point of impact and the center of the target is measured. Suppose that...
-
What are the before image (BFIM) and after image (AFIM) of a data item? What is the difference between in-place updating and shadowing, with respect to their handling of BFIM and AFIM?
-
The following table shows the number of e-mails a student received each hour from 8:00 a.m. to 6:00 p.m. The samples are collected for five days from Monday to Friday. (a) Use the rational...
-
The following are the number of defects observed on 15 samples of transmission units in an automotive manufacturing company. Each lot contains five transmission units. (a) Using all the data, compute...
-
Consider an X control chart with UCL = 32.802, UCL = 24.642, and n = 5. Suppose that the mean shifts to 30. (a) What is the probability that this shift is detected on the next sample? (b) What is the...
-
This is for my Organizational Behavior class. This is due by midnight tonight, July 30. Please help!! The organization I have chosen is a rural health care facility...a clinic. What are the basic...
-
What are the functions of organizational culture? Use your own experience in an organization (workplace, school, gym, etc.) to explain how organizational culture contributes either positively or...
-
In 2 0 2 4 , Bratten Fitness Company made the following cash purchases: The exclusive right to manufacture and sell the X - Core workout equipment from Symmetry Corporation for $ 2 1 8 , 0 0 0 ....
Study smarter with the SolutionInn App