Coffee A researcher claims that the numbers of cups of coffee U.S. adults drink per day are distributed as shown in the figure. You randomly select 1600 U.S. adults and ask them how many cups of coffee they drink per day. The table shows the results. At a = 0.05, test the researcher’s claim.
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here