You flip a coin 8 times and record the results using 0 for heads and 1 for tails. you find the variance. is investigating this sample variance the same as investigating the sampling distribution of the variance? a. no, the sample only contains 8 coin flips. the sample needs to be much larger b. yes, only one person is necessary to flip the coin and find the variance. c. no, the sampling distribution of the variance is the distribution of the means from all samples, not just one. d. yes, the probability of getting heads and the probability of getting tails is the same

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.