Important characteristic of the data set

Assignment Help Basic Statistics
Reference no: EM1318783

Listed below are the winning times in seconds, of men in the 100-meter dash for consecutive summer Olympic Games, listed in order by row. Assuming that these results are sample data randomly selected from the population of all past and future Olympic Games, test the claim that the mean time is less than 10.5 seconds. What do you observe about the precision of the numbers? What extremely important characteristic of the data set is not considered in the hypothesis test?

12.0

11.0

11.0

11.2

10.8

10.8

10.8

10.6

10.8

10.3

10.3

10.3

10.4

10.5

10.2

10.0

9.95

10.14

10.06

10.25

9.99

9.92

9.96

 

Reference no: EM1318783

Questions Cloud

Standard deviation of the ages : From a previous study, the standard deviation of the ages is known to be 3 years.
Find the terms : Find the terms
Probability value by binomial and normal distribution : It has been estimated that 30% of all farms are family-owned. In a sample of 12 farms, what is the probability that exactly three farms are family owned?
Calculate the sum of the following series : Calculate the sum of the following series.
Important characteristic of the data set : What extremely important characteristic of the data set is not considered in the hypothesis test?
Solve the following linear system : Solve the following linear system.
Golden rule of profit maximization : What is the golden rule of profit maximization? Explain why the rule maximizes profits. Why economic profits are zero all along a long-run supply curve in perfect competition?
Find the time period : Find the time period
Confidence interval estimating their mean weight : Construct a 95% confidence interval estimate of their mean weight.

Reviews

Write a Review

Basic Statistics Questions & Answers

  What percent of freshmen eventually graduate

IS there any evidence that a freshman's chances to graduate may depend upon what kind of high school the student attended? Describe.

  Elements of inferential statistical analysis

Name three elements of the inferential statistical analysis.

  Populations suffer from professional due to greate shyness

A psychologist claims that more than 6.3% of the populations suffer from professional due to greate shyness. Categorize the Type II error in this context.

  Solving problem by statistical process control method

This table gives three measurements of 10 samples made in a production run. Use statistical process control method to solve problem.

  Claim-two proportion z test

If statistically significant, do you think the difference is large enough to be important?

  Confidence interval for the population average

Find out 90% confidence interval for the population average µ of the percentage of hospitals providing at least some charity care.

  Any significant difference among two proportions

To test is there any significant difference among two proportions. The Damon family owns a large grape vineyard in western New York along Lake Erie.

  Confidence interval for difference between population means

Develop a 95% confidence interval of the difference between the daily population means for the two airports.

  Confidence interval for the population mean also interpret

Find out the confidence interval for the population mean also interpret the result. A researcher is interested in whether social assertiveness might be influenced by training procedures.

  Multiple linear regression model - anova table

This model is fit to the data using the method of least squares using statistical software, and the following ANOVA table is obtained

  Solve linear program graphically

Solve linear program graphically

  Test statistic and p-value for testing population mean

The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd