____ 11.Which graph represents a uniform distribution?a.b.c.d.e.____ 12.In any statistical scenario, the entiregroup that we're interested in is called a:____ 13.We call any numerical fact about a population a____ 14.The following variables: n (for the size of the group), (for the mean), and s (for the standard deviation) are all measures calculated from what group?5Section I : Materials from McCallum, TX; Section II: APEX Material
Statistics Review – 1st Semester Topics2010____ 15.Most statisticians use statistics instead of parameters because:a.a simple random sample is easy to gather.b.the formulas for parameters are more difficult to calculate than statistical formulas.c.it gives every member an equal chance of being selected.d.data from an entire population is almost always impossible to obtain.e.very few statisticians work with parameters.____ 16.Since the distribution of housing prices in a community is usually skewed right, which measure of center should you use for housing prices?____ 17.The blood pressure reading for any age group is normally distributed. The normal distribution is symmetric and mound-shaped. Therefore, the correct measure of central tendency to use for blood pressure is:____ 18.What measure of central tendency do you use with standard deviation?____ 19.A population of bolts has a mean thickness of 20 millimeters, with a population standard deviation of .01 millimeters. Give, in millimeters, a minimum and a maximum thickness that includes 68% of the population of bolts.a.19.99 mm to 20.01 mmb.19.98 mm to 20.02 mmc.19.00 mm to 21.00 mmd.19.97 mm to 20.03 mme.20.00 mm to 20.02 mm6Section I : Materials from McCallum, TX; Section II: APEX Material
Statistics Review – 1st Semester Topics2010Babies born in U.S. in 1984, in thousands____ 20.What is the median for the data in the table above regarding Babies born? ____21.What is the interquartile range for the data in the table regarding Babies born? ____ 27.Using the empirical rule, you can assume that what percent of the normal distribution is outsidetwo standard deviations of the mean in either direction?