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for each pair of variables specify which variable is the explanatory variable and which is the response variable in the
for each of the following indicate whether the variable is ordinal or not if the variable is not ordinal indicate its
for each of the following quantitative variables explain whether the variable is continuous or nota number of classes a
for each of the following situations reported in the news specify what variables were measured on each individual and
to answer the following questions researchers would measure two variables for each individual unit in the study in each
table summarized frequency of seatbelt use while driving for twelfth-grade participants in the 2003 youth risk behavior
in the 2008 general social survey participants were asked would you say that you are very happy pretty happy or not too
assignment 1 hypothesis testingin a survey of 1005 adult americans 46 indicated that they were somewhat interested or
in a survey done in 2010 students in a statistics class were asked how do you prefer to use your cell phone-to talk or
refer to exercise students also were asked what grades they usually get in school for twelfth-grade students who
this is the same as exercise 1 the five-number summaries of the fastest ever driven data given in case study 1 were as
refer to the five-number summaries given in exercise 1a using the appropriate summary value compare the location of the
refer to given exercisea reconstruct the table using the two categorical variables letter listed first s or q and
refer to exercise concerning feelings about weight to compare the men and women draw a bar graph of the percents found
hand et al 1994 p 148 provide data on the number of words in each of 600 randomly selected sentences from the book
about how many music cds do you own responses to this question for 24 students in a senior-level statistics course in
a set of exam scores is as follows75 84 68 95 87 93 56 87 83 82 80 62 91 84 75a draw a stem-and-leaf plot of the
for each of the following situations which is the explanatory variable and which is the response variablea the two
in 2006 the age distribution for mothers in the united states who had a first child that year was as follows martin et
a sample of college students was asked how they felt about their weight of the 143 women in the sample who responded 38
can you think of possible explanations for the observed relationship between use of nightlights and myopia other than
redo the bar graph in given figure using counts instead of percentages the necessary data are given in tablewould the
using the boxplots in given figure what can you say about the respective handspans for males and females are there any