-You have a choice of 2 ovens. The used oven is $100 less than the new oven, but its calibration is off by 20 degrees. Which 1 is better buy
-Jim owns 3 real estate offices in Anytown. He has decided to open 1 more office in either Hometown or Uptown. He will compare the mean # of homes sold per agent + the mean commission % earned by agents in the 2 towns to make his decision
-A study to determine if job absenteeism is distributed evenly over a week.
-Mels Diner has been surveying their customers for the past couple of years about their dining experience in the restaurant. The survey uses a scale of 1 to 5, 5 is the best. Mel’s customer satisfaction averaged 2.5 last year, but this year it is 2.9. Is this difference statistically significant
-Sally’s Beauty salon just opened. Sally assigns the stylists customers on a rotation so everyone busy all day. 1 month after she opened Sally’s customer count for each stylist was a 20 b 30 c 15 and d 25. Has Sally been fair
Is this Parametric and Nonparametric Data? Why?
parametric data can be evaluated by statistical methods assuming normal distributions.
non-parametric data assumes the distribution is not normal.
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