Many students brag that they have more than 100 friends on a…
Many students brag that they have more than 100 friends on a social media website. For a class project, a group of students asked a random sample of 15 students at their college who used the social media website about their number of friends and got the data available below. 120 100 250 99 90 95 25 205 230 165 60 30 70 260 205 Is there strong evidence that the median number of friends for the student population at the college who use the social media website is larger than 100? Is the normality assumption met for using a parametric inferential method? (Use the graph below.) Picture1.png
Read DetailsA research group wants to know if the proportion US adults t…
A research group wants to know if the proportion US adults that consider a car a necessity has changed from the previous value of 0.80 about 25 years ago. A random sample of n=500 adults in the US were asked whether they consider a car a necessity or a luxury, and 89% of those said it is a necessity. Is the 89% parameter or statistic?
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