Disney movies showed the use of tobacco and alcohol. Use a 0.05 significance level to test the claim that for a typical animated​ movie, the time spent depicting the use of alcohol is less than the time spent depicting the use of tobacco.   Tobacco use 176 51 0 299 74 3 23 205 6 155 Alcohol use 88 33 113 51 0 3 46 73 5 74

Please answers questions a through d. Thank you!

A sample of 25 freshmen at a major university completed a survey that measured their degree of racial prejudice (the higher the score, the greater the prejudice)   Compute the median and mean for these data?   10 43 30 30 45 40 12 40 42 35 45 25 10 33 50 42 32 38 11 47 22 26 37 38 10

A certain statistics instructor participates in triathlons. The accompanying table lists times​ (in minutes and​ seconds) he recorded while riding a bicycle for five laps through each mile of a​ 3-mile loop. Use a 0.05 significance level to test the claim that it takes the same time to ride each of the miles. Does one of the miles appear to have a​ hill?   LOADING... Click the icon to view the data table of the riding times.       Question content area bottom Part 1 Determine the null and alternative hypotheses.   H0​: ▼   mu 1 greater than mu 2 greater than mu 3μ1>μ2>μ3 mu 1 not equals mu 2 not equals mu 3μ1≠μ2≠μ3 Exactly two of the population means are different from each other.Exactly two of the population means are different from each other. At least one of the three population means is different from the others.At least one of the three population means is different from the others. mu 1 equals mu 2 equals mu 3μ1=μ2=μ3 H1​: ▼   mu 1 greater than mu 2…