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question hot dogs a nutrition laboratory tests 40 reduced sodium hot dogs finding that the mean sodium content is 310
greek yogurt chobani yogurt is made using a special straining technique to remove excess liquid this process yields a
question parking ii suppose that for budget planning purposes the city in exercise needs a better estimate of the mean
whats better faster or slower for mobile phone users data download speed is perhaps the most important characteristic
question parking hoping to lure more shoppers downtown a city builds a new public parking garage in the central
suppose there are n types of toys which you are collecting one by one with the goal of getting a complete set when
question wind power should you generate electricity with your own personal wind turbine that depends on whether you
the data set represents the ages of 30 executives 43 57 65 47 57 41 56 53 61 54 56 50 66 56 50 61 47 40 50 43 54 41 48
how would you make a better plot in the previous two exercises we looked at the relationship between life expectancy
a california had 196 deaths from heart disease and 154 deaths from cancer per 100000 residents which rate is more
average temperatures here are the average temperatures in degrees for west lafayette indiana during the months of
question braking a tire manufacturer is considering a newly designed tread pattern for its all-weather tires tests have
relationship between second test and final exam refer to the previous exercise here are the data for the second test
complete problem 18 in chapter 4 on page 159a quality inspector picks a sample of 15 items at random from a
which test again for each of the following situations state whether youd use a chi-square goodness of-fit test a
question maze psychology experiments sometimes involve testing the ability of rats to navigate mazes the mazes are
add an outlier to the plot refer to the previous exercise add a ninth student whose scores on the second test and final
explanatory and response variables in each of the following situations is it more reasonable to simply explore the
dice after getting trounced by your little brother in a children s game you suspect the die he gave you to roll may be
question yogurt consumer reports tested 14 brands of vanilla yogurt and found the following numbers of calories per
spam botnets in exercise you made a data set for the botnet data use that data set to compute the correlation between
change the units in the previous exercise bots were given in thousands and spam messages per day were recorded in
question chips ahoy in 1998 as an advertising campaign the nabisco company announced a 1000 chips challenge claiming
question portable phones a manufacturer claims that a new design for a portable phone has increased the range to 150
question cars one of the important factors in auto safety is the weight of the vehicle insurance companies are