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the results of a little survey that has been given to a number of statistics students are available in the little
the utilities data set contains information from utilities bills for a personal residence over a number of years this
the utilities data set contains information from utilities bills for a personal residence over a number of years one
the births78 data set contains the number of births in the united states for each day of 1978a make a histogram of the
a coin is tossed 3 times and the sequence of heads and tails is recordeda list the elements of the sample spaceb list
a donut store is offering a special price on a dozen 12 donuts there are three varieties of donuts available plain
assume that there are 365 days in a year and that all birthdays are equally likelya if ten people are selected at
we assume that all birthdays are equally likely as the births78 data set shows this is not actually true there are both
some students in introductory statistics courses were asked to select a number between 1 and 30 inclusive the results
design some data sets to test whether by default bw plot uses the 15 iqr rule to determine whether it should indicate
we could compute the mean absolute deviation from the median instead of from the mean show that the mean absolute
we could compute the mean absolute deviation from any number c c for center show that the mean absolute deviation from
the pitching2005 data set in the fastr package contains 2005 season statistics for each pitcher in the major leagues
repeat the previous problem using batting statistics the fast r data set batting contains data on major league batters
have major league batting averages changed over time if so in what ways use the data in the batting data set to explore
the ages of de anza evening students is known to be normally distributed with a population mean of 40 and a population
the amount of money a customer spends in one trip to the supermarket is known to have an exponential distribution
in a survey of 80 males 55 had played an organized sport growing up of the 70 females surveyed 25 had played an
suppose x1 u01 and x2 u01nbsp it can be shown that yx1x2 and zx1x2 have joint density function given by fyz 12y for
question robin is planning to ask peggy to the homecoming dance before he asks her he wants to know what the chances
according to a survey it is noted that 29 of housing units with an annual income in the 15000 to 29999 range own a
1 you draw one card from a deck of 52 if you get a heart you win 18 if you get anything else you pay 5 note that there