A study examined the fat content in grams for samples of beef and meat hot dogs.
ID: 3369433 • Letter: A
Question
A study examined the fat content in grams for samples of beef and meat hot dogs. The resulting 97% confidence interval for Preat-Heef is -47-32) Complete a) The endpoints of this confidence interval are negative numbers. What does that indicate? OA. O B. O C. The mean fat content is probably higher for meat hot dogs. The mean fat contents for each type of hot dog varies greatly from the other. The type of hot dog with a higher mean fat content cannot be determined D. The mean fat content is probably higher for beef hot dogs. b) What does the fact that the confidence interval does not contain 0 indicate? O A. O B. ° C. O D. The difference in the two sample means is insignificant. There is no difference between the two samples. Both samples have a lot of variation. The difference in the two sample means is significant. c) If we use this confidence interval to test the hypothesis that HMeat HBeef 0, what's the corresponding alpha level?Explanation / Answer
a) the answer is option D, because in that case we will get neagtive values.
b) The confidence interval dosent include 0 implies that, the difference in the sample means is significant.
option D
c) The alpha value is 0.03 or 3%
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