Data in the scatterplot

Assignment Help Basic Statistics
Reference no: EM137680

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.


Based on the scatterplot we conclude

A.there is a positive correlation r between gender and weight, since men tend to weigh more.

B.there is a negative correlation between time and weight for males and for females.

C.both (a) and (b) are correct.

Reference no: EM137680

Normal dostribution regarding gasoline prices

Assume gasoline prices for a region are normally distributed. do the data you obtain provide enough evidence to reject the claim? use 1% level of significance.

How is the skewness of the negative binomial distribution

Try various values of s and p on the negative binomial distribution template and answer this question: How is the skewness of the negative binomial distribution affected by

Determine and interpret pvalue for personal expenditure case

According to the U.S. Bureau of Labor Statistics, personal expenditures for entertainment fees and admissions averaged $349 per person in the Northeast and $420 in the West.

Experimental car bumper and repair incidents

An experimental bumper was designed to reduce damage in low-speed collisions. This bumper was installed on an experimental group of vans in a large fleet, but not on a contr

Average utility bill in delaware

Using α = 0.05, does this sample provide enough evidence to conclude that the average utility bill in Delaware was lower in the winter of 2011-2012 than it was in the winter

Expand the regression model

Find the correlation between number of contracts sold and average contract price. What does this correlation mean - What happened to the R2 as you added independent variables

Mean cotinine level of all smokers

A sample of 60 smokers has a mean cotinine level of 125. Assuming that sigma=25, find the 90% confidence level estimate of the mean cotinine level of all smokers.

Find the probability that the beagle-s weight is less

The weights of adult male beagles are normally distributed with a mean of 25 pounds and a standard deviation of 3 pounds. A beagle is randomly selected. Find the probability


Write a Review

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