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According to the center for Disease Control, the mean total cholesterol for men between the ages of 20-29 is 180 milligrams per deciliter with a standard deviation of 36.2. A healthy total cholesterol level is less than 200, 200-240 is borderline, and above 240 is dangerous. Assume the distribution is approximately Normal.
Suppose that you are interested in determining the relation between the students average SAT scores [x] and their freshman GPA [y].
a pollster collects the following data for 350 college
As a way of fund raising, you decide to set up a hot dog stand, after a few weeks of doing this you sell 8 hot dogs every 10 minutes.
Choose the group that interests you more, and organize the 50 numbers into a simple frequency distribution using the rough-draft form.
A random sample of size 70 is drawn from population. Determine probability that mean annual salary is between $32,000 and $32,500?
in a study of hypnotic suggestion 16 male volunteers were randomly allocated to an experimental group and a control
What can you say with 95% confidence about the percent of all American adults who think that humans developed from earlier species of animals.
if my question of interest is if cactus needles are smaller the closer they are to a human trail what would be a good
Select the study that is most appropriate and EXPLAIN WHY it is most appropriate for the study.
A letter in the December 1995 issue of Dell Champion Variety Puzzles stated: "I've noticed over the last several issues there have been no winners.
question a food research laboratory conducts a series of taste tests to compare two sauce recipes a and b. customers
A statistics instructor wants to measure the effectiveness of his teaching skills in a class of 102 students (N = 102). He selects students by waiting at the door to the classroom prior to his lecture and pulling aside every third student to give ..
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