What is the equation of the trend line in the scatter plot?
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use the two red points to write the equation in slope-intercept form. write any coefficients as integers, proper fractions, or improper fractions in simplest form.

Thats really hard  hope i can help you in the future questions.

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.