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1. The Chronicle of Higher Education (August 31, 2001) published data collected in a survey of a large number of students who were college freshmen in the fall of 2001. Of those surveyed, 70.6% reported that they were attending their ?rst-choice college, 20.8% their second- choice college, 5.5% their third-choice college, and 3.1% their fourth- or higher-choice college. Use a pie chart to display this information. 2. The article "Rinse Out Your Mouth" (Associated Press, March 29, 2006) summarized results from a survey of 1001 adults on the use of profanity. When asked "How many times do you use swear words in conversations?" 46% responded a few or more times per week, 32% responded a few times a month or less, and 21% responded never. Use the given information to construct a segmented bar chart.
the half width of a 99 confidence interval for a mean based on sample size of 30 is 10. what is the value of the sample
In fitting a least squares line to n=15 data points, the following quantities were computed: SSxx=55, SSyy=198, SSxy=-88, x-bar=1.3, and y-bar=35.
suppose x is uniform of 0 pi2 and ysinx. find the density function of y. the answer is called the arcsine law because
Calculate a standard error for the sample mean production rate for the new method and what is the standard error of the $1600 estimate?
Multiple choice questions based on F-distribution.
Each with n = 6 participants. Compute the pooled variance and the estimated standard error for the mean difference. (Use 3 decimal places.)
Two balanced dice are rolled and the number of dots facing up is added. Find the probability that the sum is 10 or 12.
What is the probability that a cereal would be high calorie, given that is low fiber? In other words, what is P (high calorie, given low fiber)?
Selecting a sample of 50 one bedroom apartments in this town and getting a sample mean of less then $530 if the population standard deviation is $100?
A polling company obtains an alphabetical list of names of voters in a precinct. They select every 20th person from the list until a sample of 100 is obtained.
a sample of 148 college students at a large university reports getting an average of 6.85 hours of sleep last night
all february data was combined of 28 days of dataall august data was combined of 31 days of dataaugust 2013mean
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