Question: The Sport Journal (Winter 2004) reported on a study of a speed-training program for high school football players. Each participant was timed in a 40-yard

The Sport Journal (Winter 2004) reported on a study of a speed-training program for high school football players. Each participant was timed in a 40-yard sprint both before and after training. The researchers measured two variables: (1) the difference between the before and after sprint times (in seconds), and (2) the category of improvement (“improved,” “no change,” and “worse”) for each player.
a. Identify the type (quantitative or qualitative) of each variable measured.
b. A total of 14 high school football players participated in the speed-training program. Does the data set collected represent a population or a sample? Explain.

Step by Step Solution

★★★★★

3.40 Rating (175 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a The variable difference between before and after sprint ti... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

456-M-S-D-A (1578).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

The Florida Scientist (Summer/Autumn 1991) reported on a study of the feeding habits of sea urchins. A sample of 20 urchins was captured from Biscayne Bay (Miami), placed in marine aquaria, and then...

The Journal of Applied Psychology reported on a study that examined whether the content of TV shows influenced the ability of viewers to recall brand names of items featured in the commercials. The...

Please solve :-- The butterfly symbolizes the notion of personal change. Increasingly, people are turning to butterflies to consecrate meaningful events, such as birthdays, weddings, and funerals. To...

Please answer all the questions:- Medicinal value of plants. Sea buckthorn (Hippophae), a plant that typically grows at high altitudes in Europe and Asia, has been found to have medicinal value. The...

need help with details:- The butterfly symbolizes the notion of personal change. Increasingly, people are turning to butterflies to consecrate meaningful events, such as birthdays, weddings, and...

1 A Journal reported on a study of a speed-training program for high school football players. Each participant was timed in a 40-yard sprint both before and after training. The researchers measured...

Sprint speed training. The Sport Journal (Winter 2004) reported on a study of a speed-training program for high school football players. Each participant was timed in a 40-yard sprint both before and...

A recent survey conducted for the National Association of Broadcasters investigated satellite radio subscriber service and usage. The June 2007 survey, conducted by Wilson Research Strategies,...

Answer the below questions systematically ?? Heart rate variability of police officers. The heart rate variability (HRV) of police officers was the subject of research published in the American...

The following table shows the annual expected returms for two stocks. Probability of return 0.10 0.20 Stock A -3% 2 Stock B -10% 0.40 0.20 0.10 7 8 16 24 12 17 What is stock B's expected retum? 6.5%...

Express as the product of two elementary reduction matrices. 8 3

list 3 mid-term goals for that can be accomplished within two to five year and estimate how much would be needed to save each month to complete this goal

Lee is the project manager of a project and is planning responses to a set of risks. As a direct response of implementing this risk response, he anticipates certain other risks to arise. These would...

The Florida Division of McKenna Company makes and sells batteries that can either be sold to outside customers or transferred to the Alabama Division of McKenna Company. The following data are...

1, John is a philatelist (stamp collector) who specializes in stamps that depict animals on them. Last month 9 stamps with birds, 6 stamps with mammals, 4 stamps with insects, and 2 stamps with fish...

Esquire Products, Inc., expects the following monthly sales: January $ 28,000 July $ 22,000 February 19,000 August 26,000 March 12,000 September 29,000 April 14,000 October 34,000 May 8,000 November...