(Answered) A coach uses a new technique in training middle distance

Statistics

A coach uses a new technique in training middle distance runners. The times for 8 different athletes to run 800 meters before and after this training are shown below.

Athlete A B C D E F G H Time before training (seconds) 112.7 115.2 109.2 117.2 113.9 118.7 115.2 110.4 Time after training (seconds) 113.3 113.9 106.8 118 112.1 118.8 111.6 106.5

Using a 0.05 level of significance, test the claim that the training helps to improve the athletes' times for the 800 meters.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92650514
Price:- $10

Verified Expert

Priced at $20 Now at $10, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

In developing their warranty policy a washing machine

In developing their warranty policy, a washing machine company estimates that over a 1-year period 15% of their new washing machine will need to be repaired. You and your neighbor both purchase a new washing machine. 1) ...

A school district is trying to estimate the proportion of

A school district is trying to estimate the proportion of students at the high school who would eat a school breakfast if the cafeteria were opened to students at 6 am. A new employer opened up within the district and th ...

A researcher working at a particular company wants to know

A researcher working at a particular company wants to know if workers' health would improve if they were given extra days 'off. In this company, all workers undergo a standard physical exam twice a year and after each ex ...

The beta corp has decided to enter the next generation in

The BETA Corp. has decided to enter the next generation in customer service. In order to do so they need to purchase a new piece of equipment. The equipment is highly specialized and needs to be created to exact specific ...

A national center for health statistics report based on

A National Center for Health Statistics report based on 1985 data states that 30 percent of American adults smoke. Consider a simple random sample of 17 adults. Find the probability that the number of smokers in the samp ...

Given the probability distribution functionx 0 1

Given the probability distribution function: x 0 1 2 Probability 0.25 0.50 0.25 a. Graph the probability distribution function. b. Calculate and graph the cumulative probability distribution. c. Find the mean of the rand ...

Retail stores experience their heaviest returns on december

Retail stores experience their heaviest returns on December 26th and December 27th each year. The distribution for the Number of Items Returned (X) for Hilldale Macy's on those days last year is given in the table below. ...

Assume that 15 questions are answered by guessing1 what is

Assume that 15 questions are answered by guessing. 1) What is the probability of exactly 14 correct answers?

A firm requires an investment of 18000 and will return

A firm requires an investment of $18,000 and will return $26,000 after one year. If the firm borrows $10,000 at 8% what is the return on levered equity?

During a certain week the mean price of gasoline was 2719 a

During a certain week the mean price of gasoline was $2.719 a gallon. A ronadom sample of 32 stations is drwn. What is the probability that the mean price was between $2.695 and $2.716. Assume o=$0.048.

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert