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Statistics
WEB CALCULATOR EXERCISE Descriptive Statistics 1 The table below presents data for a sample of people who completed a religious survey. Age Gender Denomination Church Attendance 56 1 7 4 46 2 6 5 49 2 6 5 49 1 1 5 27 2 9 5 51 1 4
asked by Joe on January 28, 2014 
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A class survey in a large class for firstyear college students asked, “About how many minutes do you study on a typical weeknight?” The mean response of the 463 students was = 118 minutes. Suppose that we know that the study
asked by jordon on March 27, 2015 
biostatistics
among coffee drinkers, men drink a mean of 3.2 cups per day with a standard deviation of 0.8 cups. Assume the number of coffee drinks per day follows a normal distribution. a. What proportion drinks 2 cups per day or more? b. What
asked by natasha on November 4, 2011 
Statistics
A researcher is studying the effects of caffeine on exam scores of college students. In this study: What would be the population and sample of this research? Extrapolate your views of the advantages and disadvantages of samples
asked by Slomo on October 9, 2015

Chemistry
Caffeine a stimulant found in coffee has the mass composition of C, 49.48%, H, 5.19%, N, 28.85%, O 16.48%. The molar mass of caffeine is 194.19g/mol. Find the molecular formula for caffeine.
asked by Monique on September 25, 2011 
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When you drink a cup of coffee or a glass of cola, or when you eat a chocolate bar, the percent, P, of caffeine remaining in your bloodstream is related to the elapsed time, t, in hours, by t=5(logP/log0.5). a) how long will it
asked by Jus on May 21, 2009 
Math
In its Flip Your Lid contest, a coffee chain offers prizes of 50 000 free coffees, each worth $1.50; two new TVs, each worth $1200; a snowmobile worth $15 000; and a sports car worth $35 000. A total of 1 000 000 promotional
asked by Zachary on April 24, 2018 
Statistics: Percentile Rank
A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. A. What
asked by Joy Chapman on October 18, 2011

Statistiscs
Students in the psychology department consume an average of 5 cups of coffee per day with a standard deviation of 1.75 cups. The number of cups of coffee consumed is normally distributed. • What proportion of students consume an
asked by StudentD on August 28, 2012 
Statistics
A class survey in a large class for firstyear college students asked, "About how many minutes do you study on a typical weeknight?" The mean response of the 463 students was x = 118 minutes. Suppose that we know that the study
asked by Ray on February 25, 2014 
Statistics
A poll was taken of a random sample of 1189 college students. Of these students, 789 reported that they had a drinking binge (more than 10 drinks in an evening) in the past month. Select the most believable conclusion. A. About
asked by Amy on September 11, 2014 
stats
A random sample of 40 men drank an average of 20 cups of coffee per week during examination final, with the population standard deviation equal to 6 cups. A lower limit of an approximate 95% confidence interval the population
asked by cindy on March 31, 2010
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