Sulfur compounds cause “off-odors” in wine, so winemakers want to

  
Sulfur compounds cause “off-odors” in wine, so winemakers want to know the odor threshold, the lowest concentration of a compound that the human nose can detect. The odor threshold for dimethyl sulfide (DMS) in trained wine tasters is about 25 micrograms per liter of wine (µg/l). The untrained noses of consumers may be less sensitive, however. Here are the DMS odor thresholds for 10 untrained students: 31 31 43 36 23 34 32 30 20 24
Assume that the odor threshold for untrained noses is Normally distributed with a population standard deviation of 6.7mg/l.
1. At a 0.05 significance level, test the claim that the mean threshold for untrained tasters is greater than 25µg/l.
   i. State the null and alternative hypotheses.
  ii. State the significance level for this problem.
  iii. State the test statistic.  
  iv. State the P-value.
   v. State whether you reject or do not reject the null hypothesis.
   vi. State your conclusion in context of the problem.
   vii. If the true mean was 30.8 µg/l, did you make an error?  If so, which error? Why? 

What Students Are Saying About Us

.......... Customer ID: 12*** | Rating: ⭐⭐⭐⭐⭐
"Honestly, I was afraid to send my paper to you, but splendidwritings.com proved they are a trustworthy service. My essay was done in less than a day, and I received a brilliant piece. I didn’t even believe it was my essay at first 🙂 Great job, thank you!"

.......... Customer ID: 14***| Rating: ⭐⭐⭐⭐⭐
"The company has some nice prices and good content. I ordered a term paper here and got a very good one. I'll keep ordering from this website."

"Order a Custom Paper on Similar Assignment! No Plagiarism! Enjoy 20% Discount"