Listed below are the numbers of hurricanes that occurred in each year in a certain region. the data are listed in order by year.
find the range, variance, and standard deviation for the given sample data. include appropriate units in the results.
what important feature of the data is not revealed by any of the measures of variation?
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This is so hard and it’s for a test

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?