Rate of cigarette smoking

Assignment Help Basic Statistics
Reference no: EM1392762

Consider the following news headline, "Cigarette Smokers Make Lower College Grades than Nonsmokers" The news article goes on to say that researchers at a university collected information on rate of cigarette smoking (total number of cigarettes smoked in a one month period) and the college student's current GPA for completed college courses. They found that those with higher levels of cigarette use had lower GPAs, and vice versa. What can you rightfully conclude from this? Why? Be specific about what this kind of information may indicate and mean.

Reference no: EM1392762

Questions Cloud

Always has everything done in a timely manner : There is no written policy about this issue at the company. To date, Jennifer's work is exemplary.
Find out the angle of its projection : A metal bar, pivoted at one end, oscillates freely in the absence of a magnetic field. But, when it oscillates between the poles of a magnet, its oscillations are quickly damped. Why? (Such magnetic damping is used in a number of practical devices..
Determine proportions of the genotype : A heterozygous round seeded plant is back crossed with a homozygous round seed plant. what are the proportions of the genotype and the proportions of the phenotype?
Variance and standard deviation to real-world : How might variance and standard deviation be applied to a real-world business-related problem? Provide a specific application in which these measures are useful.
Rate of cigarette smoking : Consider the following news headline, "Cigarette Smokers Make Lower College Grades than Nonsmokers" The news article goes on to say that researchers at a university collected information on rate of cigarette smoking (total number of cigarettes sm..
What is an industry : What is an industry? Industry is a group of diverse businesses under common owners.
Estimating genotypes and the genotypic ratio : A male green bug from a pure breeding population is crossed to female purple bug from a pure breeding population. All of their hundreds of progeny are purple.
Basic statistics of wait times : Creek Ratz is a very popular restaurant located along the coast of northern Florida. They serve a variety of steak and seafood dinners. During the summer beach season, they do not take reservations or accept a call seating.
Compare functional magnetic resonance : Compare functional magnetic resonance imaging and magnetoencephalography with regard to spatial and temporal resolution.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find out the mean, median

Find out the mean, median and mode for the given data

  What are independent variable and dependent variables

Katie is studying aggression among adolescent girls. She believes that there is a relationship between the level of interaction a girl has with her mother and her level of aggression.

  Calculate a weighted aggregate price index

To find weighted aggregate price index using Laspeyres and Paasche method.

  Information about covariance

You own a stock called Insurate, Inc. Your profit for the stock is a random variable (W) with mean 1,000 and variance 400. You would like to buy more stock and you are trying to decide between Insurate

  What is the probability of woman receiving a salary

According to Advertising Age, average base salary for women working as copywriters in advertising firms is higher than average base salary for men. The average base salary for women is $67,000 and the average base salary for men is $65,500 (Workin..

  The bootstrap method of inference relies on

A permutation resample for a two-sample test

  Find out the possibility for binomial distribution

Risks and Odds in Everyday Life, James Burke claims that about 70 percent of all single men would welcome a woman taking the initiative in asking for a date. A random sample of 20 single men was asked if they would welcome a woman taking the initiati..

  Identify the type of sampling used

Recognize the kind of sampling (random, systematic, convenience, stratified, cluster) employed whenever a sample of people who smoke is obtained as explained below.

  Evaluating true population mean using confidence interval

Based on the data, determine the 95 percent confidence interval evaluate for true population mean?

  Value must be the obtained t-test statistic

You run a two tail t-test. The critical value for this test at the .05 level is a t of 7.82. What value must the obtained t-test statistic be in order to be considered significant at the .05 level?

  Difference between dependent and independent samples

What is the difference between dependent and independent samples? Discuss differences is statistical treatment, statistical power, and data management.

  Two sample hypothesis testing using normal distribution

Test the hypothesis that the annual incomes of corporate trainers in areas of more than 500,000 are significantly more than those in areas of less than 100,000.

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