World record time in the marathon

Assignment Help Basic Statistics
Reference no: EM137681

The world record time (in minutes) in the marathon is plotted versus the year in which the record was set for men and women separately. The plotting symbol o is used for men and x for women. The data include only records set between 1908 and 1988.

1516_time.gif

Which of the following statements would be a valid conclusion from this plot?

A.The world record times for women show a greater rate of improvement (decrease more rapidly) than the world record times for men.

B.We can expect the world record time for women to be lower than that for men sometime before the year 2010.

C.By the year 2010, the world record time for men will reach a plateau beyond which no improvement will be possible.

Reference no: EM137681

Questions Cloud

Evalauate the variance of their salaries : A random sample of students is selected, and each one is asked to try first brand A and then brand B, or vice versa with the order determined at random.
Example on sampling distribution : A study sponsored by American Express Co. and the French government tourist office found that old American stereotypes about French unfriendliness weren't true.
Example on stratified random sample : Researchers are studying the absorption of two drugs into the bloodstream. Each drug is to be injected at three dosages. There are 24 people in the study, and they are randomly divided into six groups.
Strength of a relationship : Which of the following measures only the strength of a relationship?
World record time in the marathon : The world record time (in minutes) in the marathon is plotted versus the year in which the record was set for men and women separately. The plotting symbol o is used for men and x for women. The data include only records set between 1908 and 1988.
Data in the scatterplot : The data in the scatterplot below are an individual's weight and the time it takes (in seconds) on a treadmill to raise his or her pulse rate to 140 beats per minute. The o's correspond to females and the +'s to males.
Voter registration records : A review of voter registration records in a small town yielded the following table of the number of males and females registered as Democrat, Republican, or some other affiliation.
Effect of regular exercise on cholesterol levels : All but one of the following statements contain a blunder. Which one does not contain a blunder
Correlation between the amount spent and gender : At a large department store, the amount a shopper spent and the shopper's gender (male or female) were recorded. To determine if gender is useful in explaining the amount of money a shopper spends at the store we could

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  Distinct curved pattern in the plot

A researcher measures a response variable Y and explanatory variable X on each of several objects. A scatterplot of the measurements is as follows.

  Performance in the high jump

Below is a plot of the Olympic gold medal winning performance in the high jump (in inches) for the years 1900 to 1996.

  Standard deviation for this suv model

What is the city mileage standard deviation for this SUV model?

  Statistics test paper

Answer the following three questions based on what you know about statistics now.

  What is the minimum score

A survey of college students collected information on several variables: Distance from Home, Age, Major, Gender, and Class. The variable Major is

  Estimate the population mean

Estimate the population mean

  Write introduction to statistical process control

Write introduction to SPC (STATISTICAL PROCESS CONTROL)? Describe the use of SPC tools used at D2D?

  Conduct an analysis of variance

Conduct an analysis of variance

  Examined the effect of body position on blood pressure

Examined the effect of body position on blood pressure

  Calculate descriptive statistics for each stock

Calculate descriptive statistics for each stock and the S&P 500. Comment on your results. Which stocks are the most volatile? Calculate the value of beta for each stock.

  Confidence interval for the population mean

Take a confidence interval for the difference in the average of renting between the first andthird hotel.

  Determine the monthly payment

Investigate the cost of a home mortgage and to determine the monthly payment.

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