statistics

You are investigating whether temperature has an effect on the perceived effort felt during an exercise session. Twelve runners were recruited to run on a treadmill for 30 minutes under three temperature conditions: 20C, 25 C and 30 C, done in a random order over three different days. At the end of each run, the runners were asked to record how hard the running session felt on a scale of 1 to 10, with 1 being easy and 10 extremely hard. Their results are shown on the table below. Perform a Friedman test to determine if there are differences in perceived effort based on temperature, using a = 0.05. 20C R1 25.C R2 30. C R3 Runner 1 6 6 Runner 2 7 Runner 3 Runner 4 Runner 5 Runner 6 Runner 7 Runner 8 Runner 9 Runner 10 Runner 11 Runner 12 1. Marie wanted to determine if there is an association between the marital status and education level of an individual. She surveyed randomly 395 people and were asked to report their marital status and highest education level they obtained. The results of the surveyed are summarized in the following table (use 5% level of significance): High Bachelors MAsters Ph.d. School Married 60 54 46 41 201 Never 40 44 53 57 194 married 2. Do you think males are more likely to prefer beach as a vacation destination? Does Sec affect preferred holiday? At, 5% level of significance, test if sex (female or male) affect preferred holiday? Cruise Beach Female 200 250 Male 195 230